HTML element - Knowledge

1197: 6984:, and people using the element for bibliographic citations were (and still are) routinely wrapping each entire citation in this element. Another problem with the element is that WHATWG recommends that it be italicized by default (thus almost all browsers do so), because it (in their view) is only for publication titles. By convention, however, only certain kinds of titles actually take italics, while others are expected to be put in quotation marks, and standards may actually vary by publishing context and language. Consequently, many website authors and admins use a site-wide stylesheet to undo this element's auto-italics. 721: 1192:{\displaystyle \overbrace {\overbrace {{\mathtt {\color {BrickRed}<\!p\ }}\color {Magenta}\underbrace {\mathtt {class}} _{\mathsf {\color {Black}{Attribute \atop name}}}{\mathtt {=''}}\!\underbrace {\mathtt {paragraph}} _{\mathsf {\color {White}{Attr} \atop \color {Black}Attribute\ value}}''{\mathtt {\color {BrickRed}>}}} ^{\mathsf {Start\ tag}}\overbrace {\mathtt {\color {Green}This\ is\ a\ paragraph.}} ^{\mathsf {Content}}\overbrace {\mathtt {\color {BrickRed}<\!/p\!>}} ^{\mathsf {End \atop tag}}} ^{\mathsf {Element}}} 6980:

abbreviated form as per the conventions used for the addition of citation metadata." But the WHATWG spec only permits the element to be used around the title of a work. The W3C specs began with the broader definition, then switched to the very narrow one after WHATWG made this change. However, W3C reverted their own change in 2012, in response to negative developer-community feedback; the element was in broadly-deployed use with the broader scope, e.g., various blog and forum platforms wrap commenters' IDs and e-mail addresses in

379: 7621: 1308:, it is required to open and close all elements, including void elements. This can be done by placing an end tag immediately after the start tag, but this is not legal in HTML 5 and will lead to two elements being created. An alternative way to specify that it is a void element, which is compatible with both XHTML and HTML 5, is to put a 10928:

elements are still sometimes surrounded by comment delimiters, and CSS- and script-capable browsers are written to specifically ignore that comment markup as not actually a comment. This means that attempts to actually comment out CSS and script markup by change the elements inside the comment to not

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However, not all browsers and HTML editors are fully compliant with the HTML syntax framework and may do unpredictable things under some syntax conditions. Defective handling of comments only affects about 5% of all browsers and HTML editors in use, and even then only certain versions are affected by

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These elements can be combined into a form or in some instances used separately as user-interface controls; in the document, they can be simple HTML or used in conjunction with Scripts. HTML markup specifies the elements that make up a form, and the method by which it will be submitted. However, some

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of an element is the space around the content but which still forms part of the element. Padding should not be used to create white space between two elements. Any background style assigned to the element, such as a background image or color, will be visible within the padding. Increasing the size of

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Separation of concerns allows the document to be presented by different user agents according to their purposes and abilities. For example, a user agent can select an appropriate style sheet to present a document by displaying on a monitor, printing on paper, or to determine speech characteristics in

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can be the "target" frame for links defined by other elements, and it can be selected by the user agent as the focus for printing, viewing its source, and so on. The content of the element is used as alternative text to be displayed if the browser does not support inline frames. A separate document

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elements may also be used as block elements: containing other block and inline elements. However, these elements must still remain wholly within their parent element to maintain a well-formed HTML document. For example, deleting text from the middle of one paragraph across several other paragraphs

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to use when presenting the HTML document to the user. In the HTML syntax attributes do not have to be quoted if they are composed only of certain characters: letters, digits, the hyphen-minus and the period. When using the XML syntax (XHTML), on the other hand, all attributes must be quoted, and a

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was developed as a simpler alternative. Although both can use the DTD to specify the supported elements and their permitted combinations as document structure, XML parsing is simpler. The relation from tags to elements is always that of parsing the actual tags included in the document, without the

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inputs are not visible in the rendered page, but allow a designer to maintain a copy of data that needs to be submitted to the server as part of the form. This may, for example, be data that this web user entered or selected on a previous form that needs to be processed in conjunction with the

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HTML 5 spec uses a refinement of this idea, reflecting how the element has historically been used, but now requiring that it contain (but not be limited to) at least one of "the title of the work or the name of the author (person, people or organization) or an URL reference, or a reference in

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Frames allow a visual HTML browser window to be split into segments, each of which can show a different document. This can lower bandwidth use, as repeating parts of a layout can be used in one frame, while variable content is displayed in another. This may come at a certain usability cost,

486:, specifically an HTML DTD (e.g. HTML 4.01). The DTD specifies which element types are possible (i.e. it defines the set of element types) and also the valid combinations in which they may appear in a document. It is part of general SGML behavior that, where only one valid structure is 3104:, margins on the left and right of different elements will push each other away. Margins on the top or bottom of an element, on the other hand, will not stack or will intermingle. This means that the white space between these elements will be as big as the larger margin between them. 9937:, and is widely implemented by both web browsers and screen readers. Some developers object that it is actually seldom used for this purpose because there are relatively few authors who use the attribute and most of those authors use it incorrectly; thus, they recommend deprecating 3988:

The default presentation of block quotations in visual browsers is usually to indent them from both margins. This has led to the element being unnecessarily used just to indent paragraphs, regardless of semantics. For quotations not containing block level elements see the quote

592:. (If one paragraph element cannot contain another, any currently open paragraph must be closed before starting another.) Because this implication is based on the combination of the DTD and the individual document, it is not usually possible to infer elements from document tags 1979:. While the frame elements are still current in the sense of being present in the Transitional and Frameset DTDs, there are no plans to preserve them in future standards, as their function has been largely replaced, and they are highly problematic for user accessibility. 669:

are groups within the HTML DTD that group elements as being either "block-level" or "inline". This is used to define their nesting behavior: block-level elements cannot be placed into an inline context. This behavior cannot be changed; it is fixed in the DTD. Block and

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language can also be used to write graphics within the document, though linking to external SVG files is generally simpler.) Where an image is not purely decorative, HTML allows replacement content with similar semantic value to be provided for non-visual user agents.

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As visual presentational markup only applies directly to visual browsers, its use is discouraged. Style sheets should be used instead. Several of these elements are deprecated or invalid in HTML 4 / XHTML 1.0, and the remainder are invalid in the current draft of

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Some people refer to elements as tags (e.g., "the P tag"). Remember that the element is one thing, and the tag (be it start or end tag) is another. For instance, the HEAD element is always present, even though both start and end HEAD tags may be missing in the

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Comments can appear anywhere in a document, as the HTML parser is supposed to ignore them no matter where they appear so long as they are not inside other HTML tag structures (i.e., they cannot be used next to attributes and values; this is invalid markup:

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or definition list) consists of name–value groups, and was known as a definition list prior to HTML5. Description lists are intended for groups of "terms and definitions, metadata topics and values, questions and answers, or any other groups of name–value

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element denotes "a span of text with an unarticulated, though explicitly rendered, non-textual annotation, such as labelling the text as being a proper name in Chinese text (a Chinese proper name mark), or labelling the text as being misspelt." The

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As is generally understood, the position of an element is indicated as spanning from a start tag and is terminated by an end tag. This is the case for many, but not all, elements within an HTML document. The distinction is explicitly emphasised in

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Block elements, or block-level elements, have a rectangular structure. By default, these elements will span the entire width of its parent element, and will thus not allow any other element to occupy the same horizontal space as it is placed on.

1884:). The elements in each are identical, and in most cases valid XHTML 1.0 documents will be valid or nearly valid HTML 4.01 documents. This article mainly focuses on real HTML, unless noted otherwise; however, it remains applicable to XHTML. See 4760:

An anchor element is called an anchor because web designers can use it to "anchor" a URL to some text on a web page. When users view the web page in a browser, they can click the text to activate the link and visit the page whose URL is in the

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We can use <title> element only one time in a web page, and when we make another page then we will use again another <title> element with new title (do not take same name for all title tag in website, It can be problem for search

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especially in non-visual user agents, due to separate and independent documents (or websites) being displayed adjacent to each other and being allowed to interact with the same parent window. Because of this cost, frames (excluding the

2053:) were added to HTML, at the cost of creating problems for interoperability and user accessibility. This is now regarded as outmoded and has been superseded by style sheet-based design; most presentational elements are now deprecated. 1858:) often developed their own elements, some of which have been adopted in later standards. Other user agents may not recognize non-standard elements, and they will be ignored, possibly causing the page to be displayed improperly. 7113:

elements would be required as inline elements to indicate the deletion of text in the first and last paragraphs, and a third, used as a block element, to indicate the deletion in the intervening paragraphs.

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Austin, Daniel; Peruvemba, Subramanian; McCarron, Shane; Ishikawa, Masayasu; Birbeck, Mark; Altheim, Murray; Boumphrey, Frank; Dooley, Sam; Schnitzenbaumer, Sebastian; Wugofski, Ted, eds. (2010-07-29) .

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about a document, such as its author, publication date, expiration date, language, page title, page description, keywords, or other information not provided through the other header elements and

628:(DOM) elements is simplified compared to legacy HTML systems. Once the DOM of elements is obtained, behavior at higher levels of interface (example: screen rendering) is identical or nearly so. 3096:

of an element is the white space that surrounds an element. The content, padding, and border of any other element will not be allowed to enter this area unless forced to do so by some advanced

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Since HTML 4, HTML has increasingly focused on the separation of content (the visible text and images) from presentation (like color, font size, and layout). This is often referred to as a

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HTML 4.01 is one of a small number of well-known HTML DTDs. It is chosen here as the best illustrative example, although the same behavior applies to the other W3C-published DTDs for HTML.

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element) are only allowed in HTML 4.01 Frame-set. Iframes can also hold documents on different servers. In this case the interaction between windows is blocked by the browser. Sites like

2612:. In general, a meta element conveys hidden information about the document. Several meta tags can be used, all of which should be nested in the head element. The specific purpose of each 339:(HyperText Markup Language) document component, one of several types of HTML nodes (there are also text nodes, comment nodes and others). The first used version of HTML was written by 10689:

Causes text to not break at end of line, preventing word wrap where text exceeds the width of the enclosing object. Adjacent text may break before and after it. Can be done with CSS:

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A block-level logical division. A generic element with no semantic meaning used to distinguish a document section, usually for purposes such as presentation or behavior controlled by

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Since very few graphical browsers support making the link available natively (Opera and iCab being the exceptions), it is useful to include a link to the description page near the

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is not itself either a block or inline element; by itself it should not display at all, but it can contain instructions to dynamically generate either both block or inline content.

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is not itself either a block or inline element; by itself it should not display at all, but it can contain instructions to dynamically generate either both block or inline content.

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An inline logical division. A generic element with no semantic meaning used to distinguish a document section, usually for purposes such as presentation or behavior controlled by

9197:. Some elements in these proposals were included in HTML 3.2; the present form of HTML Tables was standardized in HTML 4. (Many of the elements used within tables are neither 10365:

Example of blinking text (accomplished via CSS; the <blink> tag itself is deprecated and no longer works in most browsers) with link to page. Not to be confused with

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Isolates an inline section of text that may be formatted in a different direction from other text outside of it, such as user-generated content with unknown directionality.

5687:. It denotes "text to which attention is being drawn for utilitarian purposes without conveying any extra importance and with no implication of an alternate voice or mood." 1431:

Element (and attribute) names may be written in any combination of upper or lower case in HTML, but must be in lower case in XHTML. The canonical form was upper-case until

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be used for explicitly styling text. Rather, they describe the document's structure and organization. Some programs use them to generate outlines and tables of contents.

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normative content. They are broken down into "obsolete but conforming" for which implementation instructions exist and "non-conforming" ones that should be replaced.

1258:(hard line-break) element. A void element's behavior is predefined, and it cannot contain any content or other elements. For example, an address would be written as: 457:

Omitting an element's start tag (...) does not mean the element is not present; it is implied, but it is still there. For example, an HTML document always has a root

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automatically generate quotation marks in conjunction with style sheets. Practical concerns due to browser non-compliance may force authors to find workarounds. The

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attribute can be used to specify the kind of marker to use in the list, but style sheets give more control. The default is Arabic numbering. In an HTML attribute:

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Faulkner, Steve; Eicholz, Arron; Leithead, Travis; Danilo, Alex; Moon, Sangwhan; Doyle Navara, Erika; O'Connor, Theresa; Berjon, Robin, eds. (2017-12-14) .

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element provides embedded alternative content where appropriate; however, it can only be used in the document head and in the body as a block-level element.

1214:. An end tag also has a slash after the opening angle bracket, to distinguish it from the start tag. For example, a paragraph, which is represented by the 3050:

Conversely, inline elements are treated as part of the flow of document text; they cannot have margins, width, or height set, and do break across lines.

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usually have both a start tag and an end tag, although for some elements the end tag, or both tags, can be omitted. It is constructed in a similar way:

2512:. Several common relationships are defined, that may be exposed to users through the browser interface rather than directly in the web page, such as: 671: 3089:

of an element is the absolute end of an element and spans the perimeter of that element. The thickness of a border increases the size of an element.

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An HTML document can also be extended through the use of scripts to provide additional behaviors beyond the abilities of HTML hyperlinks and forms.

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Unlike most HTML tags, comments do not nest. More generally, there are some strings that are not allowed to appear in the comment text. Those are

8188:(These elements are either block or inline elements, but are collected here as their use is more restricted than other inline or block elements.) 8044:

to set a parameter for the object, e.g. width, height, font, background color, etc., depending on the type of object. An object can have multiple

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meaning any of the available heading levels. Most visual browsers show headings as large bold text by default, though this can be overridden with

1932:, which contain deprecated elements, but which were intended to provide a transitional period during which authors could update their practices; 12064:, have been devised to accommodate situations in which the coder wishes styled text to be displayed if images are disabled in a user's browser. 4902:

Continuing with this example, now that the section has been marked up as a target, it can be referred to from external sites with a link like:

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are used to delimit the start and end of elements in the markup. (...) The start and end tags of certain normal elements can be omitted, (...)

3063: 12150:...frames do present additional usability challenges that are unique to users with disabilities, particularly those who use screen readers. 6755: 5364:

These elements are useful primarily for documenting computer code development and user interaction through differentiation of source code (

1622:) element. The attributes included in the element will then point to the external file in question. Another example of a void element is 704:

elements and are presented as block elements by default. However, it is quite common to set these with CSS to display as an inline list.

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This element enabled NeXT web designing tool to generate automatic NAME labels for its anchors and was itself automatically generated.

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obsoleted by more advanced HTML forms introduced in the early to mid-1990s. Represents a set of hyperlinks composed of a base URI, an

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In most graphical browsers, when the cursor hovers over a link, the cursor changes into a hand with an extended index finger and the

9164:. The content of this element is restricted to plain text, which appears in the text area as default text when the page is loaded. 5600: 1586:), which contains any HTML attributes. They may not contain any children, such as text or other elements. For compatibility with 287: 3108:

The above section refers only to the detailed implementation of CSS rendering and has no relevance to HTML elements themselves.

4791:, the anchor becomes a hyperlink to either another part of the document or another resource (e.g. a webpage) using an external 11569: 11076: 10499:

Creates an absolute positioned and framed layer. Can be done with frames and/or CSS instead. There are attributes, including

7570:, optionally with time and time zone information. Also allows times and dates to be represented in a machine-readable format. 5059:

Phrase elements are used for marking up phrases and adding structure or semantic meaning to text fragments. For example, the

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The alt attribute's text cannot be styled with markup; as a result, other methods of alternative text presentation, such as

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document; all other elements are contained in this. The HTML element delimits the beginning and the end of an HTML document.

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Historically, user agents did not always support these features. In the 1990s, as a stop-gap, presentational elements (like

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are possible in HTML Transitional, but most of these are invalid in HTML Strict and can be replaced with style sheets. The

8541:– characters are displayed as an asterisk, a dot, or another replacement. The password is still submitted to the server as 2311:

and other links in the document. Must appear before any element that refers to an external resource. HTML permits only one

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to refer to both deprecated and invalid status, and to elements that are expected to be formally deprecated in the future.

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with size 4. Sizes are from 1 to 7. The standard size is 3, unless otherwise specified in the <body> or other tags.

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in 1993 and there have since been many versions of HTML. The current de facto standard is governed by the industry group

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Creates scrolling text. Can be done with scripting instead. (This effect may have negative consequences for people with

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in that it is only used to contain sections of a page, which the W3C defines as a group of content with a similar theme.

2019:. HTML is used to represent the structure or content of a document, its presentation remains the sole responsibility of 1865:(a simplified form of SGML) introduced mechanisms to allow anyone to develop their own elements and incorporate them in 9587:, this section may be repeated by the user agent if the table is split across pages (in printing or other paged media). 9507:. This section may be repeated by the user agent if the table is split across pages (in printing or other paged media). 1618:(for a thematic break). Other such elements are often place-holders which reference external files, such as the image ( 8406:. If multiple radio buttons are given the same name, the user will only be able to select one of them from this group. 12675: 12378: 2699:, may be supplied to specify a semantic framework that defines the meaning of the key and its value. For example, in 514:

tag indicating its end. But since the DTD states that paragraph elements cannot be nested, an HTML document fragment

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and formatting to parts of a document (e.g., make text bold, organize it into paragraphs, lists and tables, or embed

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does not have an end tag as it terminates the markup and causes the rest of the document to be parsed as if it were

12624:(also multi-page, with a search function and other gadgets, and minus details only of interest to browser vendors). 11513: 1578:(also sometimes called empty elements, single elements or stand-alone elements) only have a start tag (in the form 11198: 3932:

Used for content in a document which is separate from the main page content, for example, sidebars or advertising.

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HTML attributes describing aspects of the HTML page. To prevent possible ambiguity, an optional third attribute,

490:(per the DTD), its explicit statement in any given document is not generally required. As a simple example, the 12269: 10801: 10619:; its use on the public Internet should follow the appropriate guidelines.) There are three options, including 7598:

Was widely used (and supported by all major browsers) for years despite being non-standard until finally being

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Marks an inline section of text in which the reading direction is the opposite from that of the parent element.

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element denotes information that is "no longer accurate or no longer relevant", and is not to be confused with

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In the HTML syntax, most elements are written with a start tag and an end tag, with the content in between. An

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behaviors attached to them by default, including the relevance of the box model for particular element types.

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Creates a selection list, from which the user can select a single option. May be rendered as a dropdown list.

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current form. Not displayed to the user but data can still be altered client-side by editing the HTML source.

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A container for adding structure to forms. For example, a series of related controls can be grouped within a

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was for "a citation or a reference to other sources" without any particular limitations or requirements. The

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A directory listing. The original purpose of this element was never widely supported; deprecated in favor of

3579:, Hebrew, Georgian, and Armenian script. The attribute is deprecated in HTML 3.2 and 4.01, but not in HTML 5. 2369: 2042:

an audio-only user agent. The structural and semantic functions of the markup remain identical in each case.

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HTML elements are defined in a series of freely available open standards issued since 1995, initially by the

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of an element is the actual text (or other media) placed between the opening and closing tags of an element.

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with block margins, width, and height properties which can be set independently of the surrounding elements.

3039:. While all elements are part of the document sequence, block elements appear within their parent elements: 19:

This article is about the HTML elements in general. For information on how to format Knowledge entries, see

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This element displayed the text inside the tags in a monospace font and without interpreting the HTML. The

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This element displayed the text inside the tags in a monospace font and without interpreting the HTML. The

7992:-type the user agent understands, such as an embedded HTML page, a file to be handled by a plug-in such as 5783:. It denotes "a different quality of text" or "an alternate voice or mood" e.g., a thought, a ship name, a 12474:(1998), which was never widely implemented, and all earlier versions. Superseded in turn on 2018-03-27 by 3689:

the CSS method is supported in HTML5; the attribute is deprecated in HTML 3.2 and 4.01. CSS also provides

2889:. Can either act as a container for style instructions or link to external style sheets – for example, in 12079: 11832: 11173: 10650: 10349:(accomplished via CSS; the <marquee> tag itself is deprecated and no longer works in most browsers) 7997: 7185: 6968: 5771:. (Purely typographic italics have many non-emphasis purposes, as HTML 5 more explicitly recognized.) In 4296: 3983: 2790:

element, it could potentially be used to extract foreign data and associate it with the current document.

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document, the use of these elements is no longer discouraged, provided that it is semantically correct.

4567:, other elements can be presented in the same way.) This element can contain any inline element except: 4241:

Used for document footers. These might contain author or copyright information, or links to other pages.

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attribute. Also usable in the document body to dynamically generate either both block or inline content.

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Inserts a non-standard object (like applet) or external content (typically non-HTML) into the document.

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element usually has the same effect in visual browsers, as well as having more semantic meaning, under

12061: 11971: 11465: 7632:. The reason given is: How do current browsers handle <applet>? What does HTML 5 say about it?. 244: 11124: 4453:

Used in navigational sections of articles (areas of webpages which contain links to other webpages).

643:". This is applied to those elements that CSS considers to be "block" elements, set through the CSS 12779: 11753: 4807: 4792: 4677:

Places a script in the document. Also usable in the head and in inline contexts. It may be used as

3101: 2069: 1996: 1922: 483: 11494:. World Wide Web Consortium. 24 December 1999. §10.3 Definition lists: the DL, DT, and DD elements 11457: 3618:

An unordered (bulleted) list. The type of list item marker can be specified in an HTML attribute:

3283:. Heading elements are not intended merely for creating large or bold text – in fact, they should 1552:. In some versions of HTML, the end tag is optional for some elements. The end tag is required in 12123: 11989: 11953: 11863: 10616: 10432: 355: 12299: 12203: 12007: 11935: 10894:

Comments can even appear before the doctype declaration; no other tags are permitted to do this.

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and admonishes designers not to use underlined text where it could be confused for a hyper-link.

2508:. A less-common, but important, usage is to supply navigation hints consistently through use of 1537:, but no elements (all tags, apart from the applicable end tag, will be interpreted as content); 681:

Note though that this CSS behavior can, and frequently is, changed from the default. Lists with

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Specifies alternative content, if the embed cannot be rendered. Replaced by the content of the

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is preferred if possible (i.e., if the client supports it) as it provides richer possibilities.

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Can act as a container for script instructions or link to an external script with the optional

2457: 2016: 1435:, and was used in HTML specifications, but in recent years, lower-case has become more common. 661:

HTML also has a similar concept, although different, and the two are very frequently confused.

146: 12342: 1975:, which also deprecated a further ten elements. All of these, plus two others, are invalid in 6822: 6244: 5980:

element denotes "side comments such as small print." This has caused some confusion with the

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specification reminds developers that other elements are almost always more appropriate than

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files, separate from text, though they can also be considered part of the content of a page.

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define desired behavior or indicate additional element properties. Most attributes require a

625: 178: 24: 12247:"Bug 13461 - Commentary on Issue #30 (longdesc) from the Association of American Publishers" 12024: 9233:

attribute is informally required for accessibility purposes, though its usage is not simple.

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A generic form button which can contain a range of other elements to create complex buttons.

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comment mishandling issues (Internet Explorer 6 accounts for most of this high percentage).

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Used for including generic objects within the document header. Though rarely used within a

1530:) marking the beginning of an element, which may incorporate any number of HTML attributes; 183: 100: 11534: 8503:

sets the maximum number of characters the user can enter (which may be greater than size).

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could either appear in the document head or in the body, but only once in a document. See

8: 12892:(List of active specifications that have superseded CSS 2.1, as of the publication date.) 11797: 10720:

is a proprietary element which is recognized by most browsers for compatibility reasons;

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attributes, on the other hand, do not require a value to be specified. An example is the

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This section lists some widely used obsolete elements, which means they are not used in

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Please help update this article to reflect recent events or newly available information.

12957: 12679: 12145: 11798:"9.2.1 Phrase elements: EM, STRONG, DFN, CODE, SAMP, KBD, VAR, CITE, ABBR, and ACRONYM" 11487: 10450: 9701:

elements for a document. The layout of frames is given by comma separated lists in the

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Produces a slider for that returns a number, but the number is not visible to the user.

8185:, client-side, or both) must be used to process the user's input once it is submitted. 8182: 7993: 7567: 7400: 4016: 3963: 3331:"Definition list" redirects here. For Knowledge's article on lists of definitions, see 311: 200: 12246: 12162: 8744:

could either appear in the document head or in the body, but only once in a document.

12931: 12716:(This is the final draft of HTML 3.0, which expired without being developed further.) 11610: 11565: 9934: 8588: 8222:

element specifies and operates the overall action of a form area, using the required

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has the same visual effect in most browsers, as well as having a semantic meaning as

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Specifies a base font size, typeface, and color for the document. Used together with

1805:) syntax, though, a value is required, and the name should be repeated as the value: 1766: 12849: 12806: 10469:

and later. The replacement CSS tag, while standard, is not required to be supported.

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Both the start and end tags may be omitted and inferred from child elements (HTML5).

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Both the start and end tags may be omitted and inferred from child elements (HTML5).

12962: 12927: 12739: 12392: 11881: 10410: 9194: 8761: 4299:(originally: horizontal rule). Presentational rules can be drawn with style sheets. 3338: 423:

The contents of the element must be placed between just after the start tag (which

166: 37:"Font color" redirects here. For OpenType fonts featuring multicolored glyphs, see 31: 12471: 11045:

One minor difference is that XML, even after the DOM interface, is case-sensitive.

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for the image, frame, or iframe in question. This attribute should contain a URL,

378: 12897: 12671: 12643: 12374: 12031: 11627: 10611: 10158:

specification recommended rendering the element at up to 132 characters per line.

10118: 9709: 9226: 9161: 8609: 8041: 7905: 4803: 3899: 2601: 2551: 2316: 2088: 1248:

the end tag, or even the start tag, to be present. Some elements, the so-called

340: 127: 68: 12914:(CSS levels 3 and 4 are developed as independent modules, indexed at that page.) 12841: 12752: 12729: 12704: 12405: 12382: 11381: 11328: 10905:

Placing comments – or indeed any characters except for white-space – before the

10826:(this ends the comment so it trivially follows it can not appear inside it) and 7681:, as it could only be used with Java applets, and had accessibility limitations. 6375:

attribute. Examples (all uses are deprecated, use CSS equivalents if possible):

5596: 4270:

Used for document headers. These typically contain content introducing the page.

3571:

CSS provides several other options not available as pure-HTML markup, including

3420:

A value in a description list (previously definition data in a definition list).

1938:, which are versions of the Transitional DTDs which also allow authors to write 1896:

Since the first version of HTML, several elements have become outmoded, and are

1564:

element, which must not contain other elements (including markup of text), only

1428:

strictly in reference to the markup delimiting the start and end of an element.

616:

HTML as used on the current web is likely to be either treated as XML, by being

436: 12101: 12045: 11592: 11514:"HTML5: A Vocabulary and Associated APIs for HTML and XHTML, W3C Working Draft" 11462:

HTML5: A vocabulary and associated APIs for HTML and XHTML – W3C Recommendation

11003: 7802: 7367: 7334: 7301: 7268: 7235: 7068:

Inserted text. Often used to mark up replacement text for material struck with

3381:

A name in a description list (previously definition term in a definition list).

2030:

Behavior (interactivity) is also kept separate from content, and is handled by

2027:

is suggested as part of the CSS standard, giving a default rendering for HTML.

1907: 1719: 1474: 1370: 367: 351: 271: 134: 78: 38: 12535: 608:

SGML is complex, which has limited its widespread understanding and adoption.

370:

specified. Elements can also have content, including other elements and text.

12951: 11246: 10495: 10405: 10357: 9930: 9926: 7897: 7870: 7033: 6308:

for variables (usually rendered italic, and not with a change to monospace),

5332: 5026: 3972:, for when the quotation includes block level elements, e.g. paragraphs. The 3082:

an element's padding increases the amount of space this element will take up.

1420:

Informally, HTML elements are sometimes referred to as "tags" (an example of

1211: 640: 304: 173: 139: 122: 20: 12103:

Bug 5566 – ALT attribute value sometimes not displayed when image is missing

11008: 7208:) using style sheets. For example, with a suitable CSS rule associated with 4434:, removed in HTML 5.2, but is included in the HTML Living Standard in 2019. 502:

tag indicating the start of a paragraph element should be complemented by a

12700: 12451: 12428: 12424: 11250: 10805: 10435:; its use on the public Internet should follow the appropriate guidelines.) 9386: 8402: 6813: 5093: 4129: 2591: 2180: 1921:, the status of elements is complicated by the existence of three types of 1847: 1473:) marking the beginning of an element, which may incorporate any number of 1378: 117: 112: 58: 12617: 12511:

Altheim, Murray; McCarron, Shane; Ishikawa, Masayasu, eds. (2010-11-23) .

10369:, this page contains the earliest surviving edit on the English Knowledge. 10259:

specification recommended rendering the element at 80 characters per line.

1990:(2001), does not include frames at all; it is approximately equivalent to 596:

but only by using an SGML—or HTML—aware parser with knowledge of the DTD.

12845: 12596: 12224: 10945: 10910: 10809: 9309:

header cell; contents are conventionally displayed bold and centered. An

8567: 8175: 7876:

provides alternative text in case the image cannot be displayed. (Though

7674: 6448: 6252: 4773: 3062:

The rectangular structure of a block element is often referred to as the

2991: 2751: 2509: 2365: 1855: 1727:. In HTML, the value can be left unquoted if it does not include spaces ( 1611: 266: 261: 151: 95: 12942: 12551:(A more detailed version of the above. Also superseded on 2018-03-27 by 11346: 8499:

attribute specifies the default width of the input in character-widths.

7707:. As of 2011, still widely used as the implementations of the replacing 4849:

is not necessary, although this way of adding anchors continues to work.

4534:, white-space should be rendered as authored. (With the CSS properties: 3066:, and is made up of several parts. Each element contains the following: 2966:

document. User agents may use the title in different ways. For example:

12874:

Atkins, Tab Jr.; Eternad, Elika J.; Rivoal, Florian (31 January 2017).

12775: 10570: 8215: 8148: 8118:

Provides text tracks, like subtitles and captions, for audio and video.

7807: 7764: 3969: 2640: 2228:

Container for processing information and metadata for an HTML document.

1898: 1851: 1421: 210: 205: 83: 73: 12488:"XHTML 1.0: The Extensible HyperText Markup Language (Second Edition)" 10804:

in HTML (and related XML, SGML and SHTML) uses the same syntax as the

6647:(the HTML specification does not define the relationship between size 4328:

Marks a section of inserted content. This element can also be used as

4043:

Creates a block-level center-aligned division. Deprecated in favor of

3673:

with one of the following (the same values are used in HTML and CSS):

12744: 12397: 10991:

will show up on-screen. Other HTML editors may have this same defect.

10375: 10200: 9941:. The publishing industry has responded, advocating the retention of 8765: 8757: 8542: 8353:

elements allow a variety of standard form controls to be implemented.

7952: 7457: 7077: 5856: 5768: 5672: 4781: 4523: 4094:

Marks a deleted section of content. This element can also be used as

2970: 1991: 1987: 1918: 1914: 363: 359: 12621: 5029:

the same way, although this is not what the specification calls for.

4685:

attribute to supply a URL from which to load the script, or used as

2673:

specifies that the page should be served with an HTTP header called

1902:

in later standards, or do not appear at all, in which case they are

12854:"Cascading Style Sheets Level 2 Revision 1 (CSS 2.1) Specification" 12837: 12810: 12771: 9833:

An inline frame places another HTML document in a frame. Unlike an

9623: 8751: 8383: 7900:, on the other hand, do not display the alt attribute at all.) The 6944:

A citation or a reference for a quote or statement in the document.

4814:. In HTML5, any element can now be made into a target by using the 3332: 3031:

In visual browsers, displayable elements can be rendered as either

2974: 2597: 2430: 2035: 1968: 11218: 11216: 7204:

Lengthy inline quotations may be displayed as indented blocks (as

2456:

links, or alternate versions. A common use is to link to external

1967:) contained four deprecated elements, one of which was invalid in 1964: 12875: 12512: 11351:

Cascading Style Sheets Level 2 Revision 1 (CSS 2.1) Specification

10454: 9796:

Contains normal HTML content for user agents that do not support

9635: 9627: 8077:

Specifies different sources for audio or video. Makes use of the

7885: 7105:

and ending in a final paragraph would need to use three separate

5331:; originally strong emphasis (conventionally displayed bold). An 5173: 5022: 4727:

element; they must be wholly nested within block-level elements.

3133:

Creates a paragraph, perhaps the most common block level element.

1514:(also known as text or text-only elements) are constructed with: 1447:

elements: normal elements, raw text elements, and void elements.

12600: 12583: 12566: 12487: 12320:

Chisholm, Wendy; Vanderheiden, Gregg; Jacobs, Ian (1999-05-05).

11776:"HTML5 specification finalized, squabbling over specs continues" 10952:, makes comments that are not embedded in the syntax structure; 10117:

The following elements were part of the early HTML developed by

9919:– as is commonly mistaken – the text of the description itself. 8155:

attribute. Supported video formats vary from browser to browser.

7771:

attribute. Supported audio formats vary from browser to browser.

7403:

in the document. Also usable in the head and in block contexts.

6971:, including with regard to this element. In HTML 4 and earlier, 4642:

Used for generic sections of a document. This is different from

2146:, which provide links to scripts, are optional in most elements. 12604: 12532: 12455: 12321: 12277: 11213: 10920:

For compatibility with some pre-1995 browsers, the contents of

10034:

element whenever possible, as this can also aid sighted users.

8000: 6022: 5944: 5827: 5727: 5639: 1976: 1972: 1432: 600:

creates a similar result by defining what tags can be omitted.

344: 256: 232: 12853: 12770: 12582:

Supersedes all previous versions of HTML and XHTML, including

10025: 7214:<q class="lengthy">Lengthy quote here.</q> 3693:, and the ability to replace these bullets with custom images. 427:, in certain cases) and just before the end tag (which again, 12814: 12705:"HyperText Markup Language Specification Version 3.0 (draft)" 12564: 11380:

Ferraiolo, J.; Fujisawa, J.; Jackson, D., eds. (2003-01-14).

9310: 9153:

A multiple-line text area, the size of which is specified by

8550: 7862: 6034: 5973: 5873: 5864: 5772: 5676: 5616: 4049:

or another element with centering defined using style sheets.

3001:

element must not contain other elements, only text. Only one

2963: 2617: 2065: 1866: 1802: 1599: 1590:, the HTML specification allows an optional space and slash ( 1587: 1553: 1305: 639:

Part of this CSS presentation behavior is the notion of the "

621: 617: 597: 237: 227: 222: 215: 90: 63: 12882:. §2. Cascading Style Sheets (CSS) – The Official Definition 12783: 12075:"What's New in Internet Explorer 8 – Accessibility and ARIA" 11168: 11166: 11164: 11162: 11160: 10431:(This effect may have negative consequences for people with 8867:. Clicking on the label fires a click on the matching input. 7984:

Includes an object in the page of the type specified by the

4852:

To illustrate: the header of a table of contents section on

3982:

element) may give the source, and must be a fully qualified

2994:

may pay particular attention to the words used in the title.

1385:

attribute within its opening tag. This would be written as:

12735: 12388: 11278:(The ability to produce additional elements is part of the 11234:. 24 December 1999. §7.5.3 Block-level and inline elements. 9886: 8630: 7989: 4518:

text. Text within this element is typically displayed in a

2959: 2636: 2184: 1888:

for a discussion of the minor differences between the two.

1836: 1444: 479: 336: 49: 30:"nobr" redirects here. For the chemical compound NOBr, see 12319: 11036:

A macro-like feature of DTDs may still be used within XML.

7184:

attribute gives the source, and must be a fully qualified

6367:

attribute (note the American spelling), typeface with the

2268:

Container for the displayable content of an HTML document.

1906:(and will be found invalid, and perhaps not displayed, by 12901: 12879: 12857: 12818: 12787: 12570: 12539: 12516: 12491: 12459: 12432: 11805: 11748: 11746: 11518: 11389: 11354: 11332: 11231: 11206: 11157: 11150: 11132: 11110: 10366: 9908: 9861:

First introduced by Microsoft Internet Explorer in 1997,

9638:

uses iframes to display banners on third party websites.

7136:. Intended for highlighting relevant text in a quotation. 7003:

Links inline content with a machine-readable translation.

6976: 5735: 3576: 3097: 2980:

It may become the default file-name when saving the page.

2020: 1873: 1862: 1840: 1760: 1603: 675: 609: 193: 11564:(5th ed.). Hoboken, New Jersey: Wiley. p. 96. 11379: 10901:

There are a few compatibility quirks involving comments:

7566:

Represents a time on the 24-hour clock or a date on the

6059:(having not appeared in any previous standard), and was 4390:

HTML 2.0: A menu listing. Should be more compact than a

2132:

attribute is valid in most document body elements (e.g.

2010: 12510: 10453:

and is mostly recognized by its descendants, including

9850:, an inline HTML code is embedded to a frame using the 7370:

for showing the pronunciation of East Asian characters.

4795:. Alternatively (and sometimes concurrently), with the 3043:

as rectangular objects which do not break across lines;

2973:

when the window is open, and (where applicable) in the

12784:"Extensible Markup Language (XML) 1.0 (Fifth Edition)" 11743: 11203:

Document Object Model (DOM) Level 2 HTML Specification

9157:(where a column is a one-character width of text) and 7846:, but then was added back into the HTML5 specification 4856:'s homepage could be turned into a target by writing: 2125:

can occur at any point in the document (head or body).

1544:, in which the element name is prefixed with a slash: 1210:

is composed of the name of the element, surrounded by

10409:

Causes text to blink. Introduced in imitation of the

9929:

to display image information for computer users with

9750:. A separate document is linked to a frame using the 8537:. The difference is that text typed in this field is 8482: 7285: 4974:

may be set to give brief information about the link:

4715:

Inline elements cannot be placed directly inside the

2958:

This tag defines a document title. Required in every

1737:), or it can be quoted with single or double quotes ( 1373:

are specified inside the start tag. For example, the

724: 12782:; Maler, Eve; Yergeau, François, eds. (2008-11-26). 12450: 12264: 12262: 10378:

code. They may not be supported in all user agents.

8706: 8693: 8680: 8663: 8650: 8637: 8616: 8595: 8574: 8557: 8524: 8507: 8465: 8444: 8427: 8410: 8391: 8372: 5779:

has its own semantic meaning, distinct from that of

1948:, which is the up-to-date (as at 1999) form of HTML. 12873: 12670: 12373: 11900:"<rp>: The Ruby Fallback Parenthesis element" 11699: 8151:to the page. The video URL is determined using the 7767:to the page. The audio URL is determined using the 7267:Provides fallback parenthesis for browsers lacking 7165:An inline quotation (for block level quotation see 2190:

Both the start and end tags may be omitted (HTML5).

1254:, do not have an end tag. A typical example is the 624:; in either case the parsing of document tags into 358:, such as text nodes, and HTML elements, which add 12836: 12659:(Part of the first published description of HTML.) 11557: 11097: 11095: 9313:user agent may use a louder voice for these items. 8748:operated as a primitive HTML search form; but was 6371:attribute, and absolute or relative size with the 2149:For user agents which do not operate scripts, the 1191: 12513:"XHTML 1.1 - Module-based XHTML - Second Edition" 12259: 9101: 7252: 6296:; not supported in HTML5. Possible replacements: 4208:A caption for an image. Always placed inside the 3268:. They are sometimes referred to collectively as 2616:element is defined by its attributes. Outside of 2003:A common source of confusion is the loose use of 1231:In the HTML syntax, most elements are written ... 1117: 1108: 841: 739: 12949: 11555: 11386:Scalable Vector Graphics (SVG) 1.1 Specification 11139: 11079:, not a URL; although URLs are a subset of IRIs. 10838:cannot appear at the beginning of a comment and 10011:This is an image of a two-layered birthday cake. 8197: 7869:attribute specifies the image URL. The required 7806:Adds a canvas whose contents can be edited with 7318: 6967:The HTML 5 specifications have been confusingly 5811: 5615:, assigning new semantic meaning to each. In an 5436:). Conventionally rendered in a mono-space font. 11721: 11677: 11655: 11633: 11209:. 9 January 2003. §1.3. XHTML and the HTML DOM. 11092: 8967: 6871: 4486:this can only be used as a block-level element. 2115:element can also be used to link style sheets.) 2056:External image files are incorporated with the 1869:documents, for use with XML-aware user agents. 1491:, in which the element name is prefixed with a 11936:"<rtc>: The Ruby Text Container element" 11135:. 24 December 1999. §3.1 Introduction to SGML. 9776: 9746:Defines a single frame, or region, within the 9183:The format of HTML Tables was proposed in the 7711:are not consistent between different browsers. 7584: 6900: 5067:tags can be used for adding emphasis to text. 5025:or in some other manner. Some browsers render 4175:Used to group images and captions, along with 2969:Web browsers usually display it in a window's 2157: 12454:; Le Hors, Arnaud; Jacobs, Ian (1999-12-24). 11244: 11224:"§7 The global structure of an HTML document" 8846: 7300:Indicates pronunciation for a character in a 471:HTML 5.1 2nd Edition § 8.1.2.4. Optional tags 437:HTML 5.1 2nd Edition § 8.1.2. Elements § Tags 312: 12125:WWW-Talk Jan-Mar 1993: proposed new tag: IMG 11708:4.6 Text-level semantics — The small element 11492:HTML 4.01 Specification – W3C Recommendation 11347:"Appendix D. Default style sheet for HTML 4" 9083:A bar for showing the progress of an action. 7219: 3903:Used for articles and other similar content. 3858:Contact information for the document author. 2742:element identifies itself as containing the 2448:Specifies links to other documents, such as 2315:element for each document. This element has 1872:Subsequently, HTML 4.01 was rewritten in an 12642: 12536:"XHTML Modularization 1.1 - Second Edition" 11361: 10026:Linking to the long description in the text 8749: 7880:is intended as alternative text, Microsoft 5683:has its own meaning, distinct from that of 5518:Sample output – from a program or script: ( 5475:Keyboard – text to be entered by the user ( 5359: 4522:exactly as it is laid out in the file (see 4467: 2262: 2222: 1682:is required before the last angle bracket: 1606:applications. Two common void elements are 12384:Hypertext Markup Language - 2.0 (RFC 1866) 12322:"Web Content Accessibility Guidelines 1.0" 11257: 11147:"HTML 4.01, §21, Document Type Definition" 9132: 8963: 8863:Creates a label for a form input, such as 8808: 8553:is needed if confidentiality is a concern. 8457:. The image URL may be specified with the 8325:added in order to identify their function. 6525:text with size 1 bigger than the standard. 4806:set, the element becomes a link target. A 2322:A development version of this element (as 2103:may link to shared external documents, or 1598:is permissible). The slash is required in 347:and is known as the HTML Living Standard. 319: 305: 12743: 12396: 12270:"Obsolete – Non-conforming features" 11382:"§2.3 Options for using SVG in Web pages" 10855:is ill-formed and will yield the comment 10121:from 1989 to 1991; they are mentioned in 10093:"long description of the image" 9290: 8478:for resetting the form to default values. 4500: 3026: 2285: 987: 927: 11768: 11730:4.6 Text-level semantics — The s element 11686:4.6 Text-level semantics — The u element 11664:4.6 Text-level semantics — The i element 11642:4.6 Text-level semantics — The b element 11556:Tittel, Ed; Burmeister, Mary C. (2005). 11468:. 28 October 2014. §4.4.8 The dl element 11450: 11373: 11285: 10413:. Can be done with CSS where supported: 10329: 8570:field (for uploading files to a server). 8017: 7861:Used by visual user agents to insert an 6839: 5096:, and can make the full form available: 4482:Replacement content for scripts. Unlike 4361:Contains the main content of a document. 4313: 4112: 2643:before the actual content. For example, 2151:<noscript>...</noscript> 2111:may contain embedded instructions. (The 1316:of the tag (not to be confused with the 1034: 1028: 1019: 743: 613:implied closures that are part of SGML. 377: 16:Individual component of an HTML document 12727: 12699: 12595: 12528:(Superseded on 2018-03-27 by HTML 5.2.) 12423: 12315: 12313: 11309: 10129:and were never part of HTML standards. 9672:can be used in a normal document body. 9641:In HTML 4.01, a document may contain a 9332: 7537:Code fragments to be copied by scripts. 7351: 6006: 5711: 5191:"Hyper-Text Mark-up Language" 4917:"http://example.com#contents" 4079: 3976:attribute (not to be confused with the 3836: 3366: 3315: 3237: 3221: 3205: 3189: 3173: 3157: 2856:for the document, usually in the form, 2620:, it is often given without the slash ( 1614:, such as in a poem or an address) and 465:doesn't appear anywhere in the markup. 12950: 12805: 10909:will cause Internet Explorer 6 to use 10736: 9136: 9097: 8419:A general-purpose button. The element 8036:, and should only occur as a child of 7032:Deleted text. Typically rendered as a 5335:may use different voices for emphasis. 4936:or with a link on the same page like: 4284: 4193: 3946: 3764: 3603: 3252:Section headings at different levels. 1183: 1180: 1177: 1174: 1171: 1168: 1165: 1149: 1146: 1143: 1138: 1135: 1132: 1094: 1091: 1088: 1085: 1082: 1079: 1076: 996: 993: 990: 984: 981: 978: 975: 972: 942: 939: 936: 933: 930: 924: 921: 918: 915: 912: 909: 906: 903: 900: 894: 891: 888: 885: 819: 816: 813: 810: 805: 802: 799: 796: 793: 790: 787: 784: 781: 9877: 9450: 9002: 7610: 6149: 5289:(conventionally displayed in italics) 4023: 3264:for a level below that, and so on to 2011:Content vs. presentation and behavior 1118: 1114: 1110: 1105: 1104: 1064: 1061: 1058: 1055: 1052: 1049: 1046: 1043: 1040: 1037: 1031: 1025: 1022: 1016: 1013: 1010: 1007: 1006: 957: 956: 899: 883: 871: 868: 865: 862: 859: 856: 853: 850: 847: 832: 777: 766: 763: 760: 757: 754: 749: 740: 736: 735: 547:is thus inferred to be equivalent to 12310: 11113:. 24 December 1999. §3.2.1 Elements. 10235: 10134: 10112: 9818: 9564: 9488: 9412: 9370: 9068: 7677:in the page. Deprecated in favor of 7614: 6597:Equivalent CSS for font attributes: 6363:Can specify the font color with the 5928: 5807:; still current, redefined in HTML5. 5707:; still current, redefined in HTML5. 5355:; still current, redefined in HTML5. 5077: 4810:(URL) can link to this target via a 4687:<script>...</script> 4346: 3444: 3256:delimits the highest-level heading, 2123:<script>...</script> 2109:<script>...</script> 2091:, provide style sheets and scripts. 1982:(Strictly speaking, the most recent 1952:HTML5 instead provides a listing of 1830: 1484:, including text and other elements; 386: 11918:"<rt>: The Ruby Text element" 11245:Mark Newhouse (27 September 2002). 7810:. Frequently used for online games. 7653: 7440: 7234:Represents the base component of a 6758:, of two or more alternative fonts. 6045:, which indicates removal/deletion. 5247:Inline definition of a single term. 3260:the next level down (sub-section), 3005:element is permitted in a document. 2604:. Because of their generic nature, 2034:. Images are contained in separate 1438: 1244:However, not all of these elements 674:have the appropriate and different 478:As HTML (before HTML5) is based on 366:and images). Each element can have 13: 12680:"Hypertext Markup Language (HTML)" 12429:"HTML 3.2 Reference Specification" 9634:) on third party websites. Google 9526: 8081:attribute in a way similar to the 6846: 5417: 5313: 5232: 5054: 4998:"additional information" 4710: 4438: 3551:i, ii, iii ... – HTML value: 3541:I, II, III ... – HTML value: 3459:An ordered (enumerated) list. The 3405: 2639:headers which should be sent by a 2625: 2596:Can be used to specify additional 2546:element may contain any number of 2105:<style>...</style> 1250: 1201:Parts of an HTML container element 1130: 882: 779: 631: 482:, its parsing also depends on the 350:An HTML document is composed of a 14: 12974: 12920: 12815:"Cascading Style Sheets, Level 1" 12591:WHATWG HTML5 Living Standard: 12362: 10345:Example of marquee text from the 10180: 9907:elements. It is supposed to be a 9252: 8269: 7936: 7842:Deprecated in HTML 4 in favor of 7424: 7173:). Quote elements may be nested. 6025:, indicated strike-through text ( 5787:, a foreign-language phrase, etc. 5400:), and terminal or other output ( 5224:. Recommended replacement is the 3717: 3118: 3053: 2344: 1891: 408:Similarly the W3C Recommendation 12664: 12629: 11199:"§1. Document Object Model HTML" 10669: 9895:is an attribute used within the 9677: 9630:use iframes to display content ( 8302: 8032:, this element is now used with 7920: 7619: 7522: 7053: 6982:<cite>...</cite> 6949: 6929: 6324: 6284: 6224: 5888: 5795: 5695: 5646:where possible. Equivalent CSS: 5573: 5546: 5530: 5487: 5460: 5444: 5343: 5297: 5271: 5255: 4689:around embedded script content. 4611: 4003: 3587: 2562: 2502:"description_of_style" 1673:element points the browser at a 12721: 12356: 12335: 12292: 12239: 12217: 12196: 12176: 12155: 12138: 12116: 12094: 12067: 12054: 12039: 12018: 12000: 11982: 11964: 11946: 11928: 11910: 11892: 11874: 11856: 11838: 11820: 11790: 11778:. Ars Technica. 29 October 2014 11621: 11603: 11585: 11549: 11527: 11506: 11480: 11438: 11426: 11414: 11402: 11339: 11321: 11297: 11269: 11238: 11174:"HTML Standard § Optional tags" 11069: 11055: 11048: 10953: 10913:for the HTML page. None of the 10849: 10839: 10835: 10831: 10827: 10823: 10816: 10791: 10769: 10757: 10709: 10690: 10638: 10589: 10558: 10438: 10414: 10281: 9842:is linked to a frame using the 9591: 9579:Specifies the footer part of a 9549: 9541:Specifies a body of data for a 9511: 9503:Specifies the header part of a 9435: 9397: 9189: 7483: 7462: 7168: 7017: 6722: 6701: 6679: 6658: 6560: 6527: 6493: 6456: 6415: 6378: 6344: 6256: 6174: 6108: 5952: 5835: 5739: 5647: 5623: 5589: 5401: 5389: 5377: 5365: 5177: 5161: 5140: 5097: 4975: 4937: 4903: 4857: 4819: 4716: 4627: 4535: 3882: 3843: 3785: 3643: 3620: 3561:1, 2, 3 ... – HTML value: 3531:a, b, c ... – HTML value: 3521:A, B, C ... – HTML value: 3488: 3465: 3100:placement. Using most standard 2898: 2857: 2700: 2644: 2513: 2461: 2418: 1424:), though many prefer the term 682: 644: 603: 548: 515: 503: 491: 382:HTML element content categories 12163:"Objects, Images, and Applets" 11458:"4.4 Grouping content – HTML5" 11191: 11117: 11039: 11030: 11021: 10917:information will be processed. 9911:to a document that provides a 9039: 8881: 8387:. Can be checked or unchecked. 8240: 8062: 7988:attribute. This may be in any 7969: 7904:element was first proposed by 7785: 7384: 6255:, thus "tt". (Equivalent CSS: 5503: 4744: 4735:For anchors on Knowledge, see 4662: 4600:<sub>...</sub> 4532:<pre>...</pre> 4255: 4226: 4160: 2804: 2771: 2755:resource description framework 1956:features to go along with the 1218:element, would be written as: 484:Document Type Definition (DTD) 1: 12636: 12590: 12567:"HTML 5.2 W3C Recommendation" 11844: 11303: 11086: 11066:for the inevitable exception. 10948:HTML editor, in versions 1.7. 10822:(the beginning of a comment), 10473: 10383: 10305: 10211: 9933:issues, such as the blind or 9730: 9267:Contains a row of cells in a 9210: 8914: 8842: 8776: 8725: 8339: 8132: 8103: 7850: 7824: 7748: 7150: 6655:, nor does it define a unit). 5038: 4402: 4191: 3944: 3917: 3866: 3804: 3748: 3701: 3428: 3389: 3350: 3292: 3141: 3111: 3010: 2977:when the window is minimized. 2943: 2837: 2608:elements specify associative 2402: 2328: 1763:, those quotes are required. 1713: 1377:element, which represents an 293:Comparison of browser engines 12780:Sperberg-McQueen, C. Michael 12665:HTML Internet Draft 1.2: 12505: 12481: 12445: 12226:Longdesc usage - WHATWG Wiki 12204:"Creating Accessible Images" 11755:11 Obsolete features — HTML5 11432: 11420: 11408: 11367: 11315: 11263: 10867:after it, or sometimes just 10830:. Additionally, the strings 10662: 10582: 10228: 10178: 10084:"description.html" 10065:"description.html" 10037: 9976:"description.html" 9866: 9807: 9765: 9719: 9599: 9557: 9519: 9443: 9405: 9225:Identifies a table. Several 9193:. They were inspired by the 9054:The value of a form element. 9032: 8907: 8874: 8801: 8793: 8520:which produces a search bar. 8332: 8262: 8193: 8010: 7715: 7704: 7696: 7551: 7195: 7117: 7090: 7046: 6988: 6922: 6832: 6796: 6783: 6775: 6217: 6209: 6064: 6056: 5913: 5905: 5761:<em>...</em> 5213: 5133: 4530:for other HTML elements, in 4493: 4427: 4419: 4375: 4339: 4105: 4064: 3829: 3821: 2797: 2578: 2437: 2395: 2387: 2292: 2245: 2204: 2164: 1877: 1850:of the 1990s, developers of 461:element, even if the string 7: 12831: 12693: 12559: 12552: 12475: 12418: 12368: 12324:. World Wide Web Consortium 11828:HTML 5.2 W3C Recommendation 11826: 11593:"ServerWriter -- /Provider" 10997: 10851: 10812:, depending on the doctype. 10784: 10729: 10651:Microsoft Internet Explorer 10466: 10322: 10314: 10266: 10256: 10220: 10165: 10155: 9925:was designed to be used by 9774: 9675: 9481: 9473: 9368: 9363: 9355: 9325: 9317: 9283: 9275: 9245: 9237: 9184: 9171: 9130: 9125: 9066: 9000: 8995: 8785: 8522: 8370: 8360: 8300: 8288:s for use in form elements. 8267: 8233: 8055: 8028:Originally introduced with 7962: 7929: 7884:7 and below render it as a 7741: 7688: 7520: 7515: 7507: 7461:or text. (Equivalent CSS: 7417: 7333:Semantic annotations for a 6958: 6864: 6767: 6715:"Times New Roman" 6293: 6201: 6134: 6083: 6075:, which instead deprecated 5999: 5897: 5804: 5734:where possible. Equivalent 5704: 5582: 5539: 5496: 5453: 5352: 5306: 5264: 5047: 4703: 4620: 4574: 4526:). Whereas browsers ignore 4465: 4411: 4306: 4153: 4145: 4056: 4012: 3984:Uniform Resource Identifier 3875: 3813: 3757: 3710: 3641:; or in a CSS declaration: 3596: 3518:with one of the following: 3486:; or in a CSS declaration: 3437: 3398: 3359: 3337:A description list (a.k.a. 3301: 3150: 3019: 2936: 2830: 2764: 2571: 2550:elements. This element has 2379: 2342: 2337: 2278: 2260: 2238: 2220: 2197: 2158:Document structure elements 2134:<div style="..."> 1626:, for which the syntax is: 707: 373: 39:OpenType § Color fonts 10: 12979: 12926:HTML 4.01 (Dec 24, 1999): 12765: 12728:Raggett, Dave (May 1996). 11833:"§4.5.6. The cite element" 11291: 11275: 11247:"CSS Design: Taming Lists" 10789: 10734: 10609: 10587: 10493: 10403: 10338:This is the new WikiPedia! 10274: 10173: 10132: 9948: 9610: 9465:Specifies a caption for a 9448: 9090: 9061: 8956: 8933:attribute. Can also have: 8838:, but removed in HTML 5.2. 8835: 8723: 8545:, so an underlying secure 8295: 8173: 8162: 8125: 8096: 7817: 7800: 7778: 7603: 7577: 7544: 7506:Both were proposed in the 7377: 7344: 7311: 7278: 7245: 7143: 7010: 6893: 6811: 6142: 6072: 5987: 5983: 5921: 5860: 5221: 5138: 5070: 4734: 4655: 4625: 4586: 4568: 4460: 4431: 4368: 4277: 4248: 4219: 4186: 4127: 4072: 3961: 3939: 3910: 3897: 3880: 3841: 3330: 2589: 2400: 1971:. All four are invalid in 36: 29: 18: 12800: 12456:"HTML 4.01 Specification" 12062:Fahrner Image Replacement 11851:"§4.5.6 The cite element" 11488:"Lists in HTML documents" 11466:World Wide Web Consortium 11444: 10845:cannot appear at the end. 10309:(described as obsolete); 10279: 9816: 9606: 9178: 9095: 9037: 8961: 8896:A legend (caption) for a 8879: 8806: 8746:<isindex /> 8742:<isindex /> 8704: 8661: 8505: 8493:one-line text input field 8425: 8408: 8238: 8060: 7967: 7783: 7651: 7628:This section needs to be 7382: 7132:Produces text that looks 6733:'Times New Roman' 6315: 6309: 5311: 4730: 4660: 4253: 4224: 4158: 4021: 3977: 2802: 2769: 2746:element, with a value of 2144:Event-handling attributes 1443:There are three kinds of 712: 288:Document markup languages 12146:"Are frames accessible?" 11014: 10848:As a result, the markup 10793: 10471: 10381: 10041: 9991: 9952: 9856:<iframe /> 9848:<iframe /> 9835:<object /> 9728: 9562: 9524: 9486: 9427:Specifies a column in a 9208: 8912: 8840: 8691: 8678: 8593: 8463: 8442: 8389: 8337: 8321:, which can then have a 8169: 8130: 8101: 8015: 7951:Specifies a client-side 7822: 7746: 6303: 6302:for marking user input, 6297: 6029:) and was equivalent to 5926: 5360:Computer phrase elements 5111:"abbreviation" 5021:value is displayed in a 4808:Uniform Resource Locator 4679:<script /> 4643: 4598: 4592: 4580: 4044: 3915: 3732:A list item in ordered ( 3308: 2941: 2897:directives of the form, 2835: 2119:<script /> 2101:<script /> 2062:<object /> 2023:style sheets. A default 1994:, but also includes the 1839:and subsequently by the 1807: 1775: 1684: 1628: 1402:"abbreviation" 1387: 1326: 1260: 1220: 12943:elements and attributes 11802:HTML 4.01 Specification 11733:, Developers.whatwg.org 11711:, Developers.whatwg.org 11689:, Developers.whatwg.org 11667:, Developers.whatwg.org 11645:, Developers.whatwg.org 11228:HTML 4.01 Specification 11129:HTML 4.01 Specification 11107:HTML 4.01 Specification 10871:, depending on browser. 10667: 10617:photosensitive epilepsy 10433:photosensitive epilepsy 9901:<frame /> 9798:<frame /> 9756:<frame /> 9699:<frame /> 9187:and the later RFC 1942 8648: 8635: 8555: 8480: 8191: 8046:<param /> 7921:HTML Internet Draft 1.2 7908:and implemented in the 7713: 7595:An optional word break. 7549: 7349: 7115: 6986: 6950:HTML Internet Draft 1.2 6927: 6794: 6789: 6322: 6285:HTML Internet Draft 1.2 6107:text). Equivalent CSS: 5951:text). Equivalent CSS: 5947:, decreased font size ( 5889:HTML Internet Draft 1.2 5796:HTML Internet Draft 1.2 5696:HTML Internet Draft 1.2 5603:, however, re-includes 5599:. The current draft of 5574:HTML Internet Draft 1.2 5531:HTML Internet Draft 1.2 5501: 5488:HTML Internet Draft 1.2 5445:HTML Internet Draft 1.2 5415: 5344:HTML Internet Draft 1.2 5298:HTML Internet Draft 1.2 5256:HTML Internet Draft 1.2 5230: 5075: 4780:(destination) end of a 4612:HTML Internet Draft 1.2 4373: 4344: 4004:HTML Internet Draft 1.2 3588:HTML Internet Draft 1.2 2683:In the general form, a 2576: 2563:HTML Internet Draft 1.2 2435: 2290: 2243: 2202: 2162: 2097:<style /> 394:HTML 4.01 Specification 12731:HTML Tables (RFC 1942) 12601:"HTML Living Standard" 12470:(HTML 4.01 superseded 10362: 10342: 10233: 9613:Frame (World Wide Web) 9410: 9017:Identifies a group of 8929:A meter which needs a 8764:keywords separated by 8750: 8614: 8572: 8547:communication protocol 7934: 7848: 7582: 7438: 7422: 7316: 7051: 7015: 6898: 6869: 5834:text. Equivalent CSS: 5544: 5458: 5172:element, but marks an 4498: 4436: 4311: 4110: 4077: 3990: 3762: 3027:Document body elements 2740:<meta /> 2685:<meta /> 2633:<meta /> 2614:<meta /> 2606:<meta /> 2548:<link /> 2475:"stylesheet" 2286:Document head elements 2263:document body elements 2223:document head elements 2095:In the document head, 2017:separation of concerns 1973:HTML 4.01 Transitional 1693:"stylesheet" 1671:<link /> 1643:"stylesheet" 1624:<link /> 1193: 475: 441: 406: 401:Elements are not tags. 383: 12128:, 1997.webhistory.org 11882:"HTML <rb> Tag" 11125:"§3 On SGML and HTML" 11103:"§3 On SGML and HTML" 11009:HTML element examples 10354: 10334: 10330:Non-standard elements 10056:"Hello.jpg" 10032:<img /> 9967:"Hello.jpg" 9897:<img /> 9854:attribute inside the 9846:attribute inside the 9754:attribute inside the 9330: 9288: 9250: 8984:Creates an item in a 8828:A key pair generator. 8794:HTML 4.0 Transitional 7902:<img /> 7865:in the document. The 7697:HTML 4.0 Transitional 7283: 7250: 7217: 7076:. Typically rendered 6844: 6840:Other inline elements 6776:HTML 4.0 Transitional 6222: 6210:HTML 4.0 Transitional 6169:Strike-through text ( 6103:Increased font size ( 6057:HTML 4.0 Transitional 5906:HTML 4.0 Transitional 5269: 4951:"#contents" 4520:non-proportional font 4420:HTML 4.0 Transitional 4282: 4019:for more information. 4015:; still current. See 3970:block level quotation 3822:HTML 4.0 Transitional 3715: 3601: 3442: 3403: 3364: 3313: 3235: 3219: 3203: 3187: 3171: 3155: 2635:elements can specify 2388:HTML 4.0 Transitional 2058:<img /> 1801:In the XML (and thus 1699:"fancy.css" 1652:"fancy.css" 1620:<img /> 1194: 626:Document Object Model 445: 431:, in certain cases). 416: 398: 381: 179:Document Object Model 25:Help:HTML in wikitext 12898:"CSS Current Status" 12694:HTML 3.0 Drafts: 12616:Also available as a 12603:. One-page Version. 12599:, ed. (2018-07-25). 12347:html.spec.whatwg.org 12274:HTML Living Standard 11846:HTML Living Standard 10929:be recognized, e.g. 10347:first Knowledge edit 10125:, but deprecated in 9697:Contains the set of 8003:, a sound file, etc. 7892:attribute is given. 7148: 6857:A forced line break. 6786:. Not part of HTML5. 6200:was standardized in 6173:), (Equivalent CSS: 6004: 5809: 5709: 5621: 4877:"contents" 4818:attribute, so using 4742: 4430:; then redefined in 3837:Other block elements 3290:Headings existed in 3116: 2871:"text/css" 2484:"text/css" 2265:for child elements.) 2225:for child elements.) 1963:The first Standard ( 1816:"checkbox" 1705:"text/css" 1661:"text/css" 1616:<hr /> 1608:<br /> 1533:some amount of text 722: 447:Certain tags can be 411:HTML 5.1 2nd Edition 184:Browser Object Model 12876:"CSS Snapshot 2017" 12856:. Revised version. 12817:. Revised version. 12622:Developer's Edition 12569:. Revised version. 12538:. Revised version. 12515:. Revised version. 12490:. Revised version. 12306:. 24 February 2023. 11153:. 24 December 1999. 6574:"Courier" 6429:"#114499" 6147: 6081: 5785:binary species name 4812:fragment identifier 4787:With the attribute 4202:</figcaption> 3955:</blockquote> 2624:), despite being a 2136:) for inclusion of 1822:"checked" 1324:of a closing tag). 157:Character encodings 12852:(12 April 2016) . 12184:"InState Longdesc" 12030:2012-11-02 at the 11972:"<template>" 11808:. 24 December 1999 11560:HTML 4 for dummies 10635:can also be added. 10451:Netscape Navigator 7611:Images and objects 7568:Gregorian calendar 7203: 6594:with Courier font. 5330: 4768:can be either the 4692: 4177:<figcaption> 4017:blockquote element 3964:Blockquote element 3575:, and options for 2988:Web search engines 2687:element specifies 2554:, but no contents. 2460:, using the form, 2326:) is mentioned in 2319:, but no contents. 1876:-compatible form, 1560:An example is the 1189: 1121: 1067: 963: 960: 949: 945: 898: 878: 828: 825: 773: 746: 384: 12618:Multipage Version 12560:W3C HTML 5.2: 12381:(November 1995). 12229:, Wiki.whatwg.org 12106:, Bugs.webkit.org 11571:978-0-7645-8917-1 10411:ANSI escape codes 10207:<plaintext> 10197:<plaintext> 10113:Historic elements 9935:visually impaired 9786:</noframes> 9687:</frameset> 9660:, but not both a 9379:</colgroup> 9147:</textarea> 9077:</progress> 9011:</optgroup> 8589:telephone numbers 8311:</fieldset> 8278:</datalist> 8181:form of scripts ( 7882:Internet Explorer 7649: 7648: 7531:</template> 7201: 6754:– CSS supports a 6449:hexadecimal color 6392:"green" 6314:for source code, 6251:), also known as 5950: 5328: 5216:; still current, 4882:Table of contents 4690: 4476:</noscript> 2750:, from the DC or 2677:that has a value 2307:for all relative 1831:Element standards 1510:Raw text elements 1188: 1161: 1156: 1153: 1126: 1099: 1072: 1036: 1030: 1021: 1001: 989: 968: 946: 929: 845: 843: 823: 752: 750: 745: 414:explicitly says: 387:Elements vs. tags 329: 328: 12970: 12941:(Oct 28, 2014): 12940: 12939: 12912: 12910: 12909: 12890: 12888: 12887: 12870:CSS 3 and 4: 12867: 12865: 12864: 12833: 12828: 12826: 12825: 12802: 12797: 12795: 12794: 12767: 12762: 12760: 12759: 12747: 12745:10.17487/RFC1942 12723: 12722:HTML Tables: 12714: 12712: 12711: 12695: 12689: 12687: 12686: 12672:Berners-Lee, Tim 12666: 12657: 12655: 12654: 12644:Berners-Lee, Tim 12638: 12614: 12612: 12611: 12592: 12580: 12578: 12577: 12561: 12549: 12547: 12546: 12526: 12524: 12523: 12507: 12502: 12500: 12499: 12483: 12469: 12467: 12466: 12447: 12442: 12440: 12439: 12420: 12415: 12413: 12412: 12400: 12398:10.17487/RFC1866 12375:Berners-Lee, Tim 12370: 12351: 12350: 12339: 12333: 12332: 12330: 12329: 12317: 12308: 12307: 12296: 12290: 12289: 12287: 12285: 12266: 12257: 12256: 12254: 12253: 12243: 12237: 12236: 12235: 12234: 12221: 12215: 12214: 12212: 12211: 12200: 12194: 12193: 12191: 12190: 12180: 12174: 12173: 12171: 12170: 12159: 12153: 12152: 12142: 12136: 12135: 12134: 12133: 12120: 12114: 12113: 12112: 12111: 12098: 12092: 12091: 12089: 12088: 12071: 12065: 12058: 12052: 12051: 12043: 12037: 12036: 12025:Jennifer Kyrnin 12022: 12016: 12015: 12004: 11998: 11997: 11986: 11980: 11979: 11968: 11962: 11961: 11950: 11944: 11943: 11932: 11926: 11925: 11914: 11908: 11907: 11896: 11890: 11889: 11878: 11872: 11871: 11860: 11854: 11842: 11836: 11824: 11818: 11817: 11815: 11813: 11794: 11788: 11787: 11785: 11783: 11772: 11766: 11765: 11764: 11763: 11750: 11741: 11740: 11739: 11738: 11725: 11719: 11718: 11717: 11716: 11703: 11697: 11696: 11695: 11694: 11681: 11675: 11674: 11673: 11672: 11659: 11653: 11652: 11651: 11650: 11637: 11631: 11625: 11619: 11618: 11607: 11601: 11600: 11589: 11583: 11582: 11580: 11578: 11563: 11553: 11547: 11546: 11545: 11544: 11531: 11525: 11523: 11510: 11504: 11503: 11501: 11499: 11484: 11478: 11477: 11475: 11473: 11454: 11448: 11442: 11436: 11430: 11424: 11418: 11412: 11406: 11400: 11399: 11397: 11396: 11377: 11371: 11365: 11359: 11358: 11343: 11337: 11336: 11329:"HTML & CSS" 11325: 11319: 11313: 11307: 11301: 11295: 11289: 11283: 11282:in the acronym.) 11273: 11267: 11261: 11255: 11254: 11242: 11236: 11235: 11220: 11211: 11210: 11195: 11189: 11188: 11186: 11184: 11170: 11155: 11154: 11143: 11137: 11136: 11121: 11115: 11114: 11099: 11080: 11073: 11067: 11065: 11064: 11061: 11058: 11052: 11046: 11043: 11037: 11034: 11028: 11025: 10990: 10989: 10986: 10983: 10980: 10977: 10974: 10971: 10968: 10965: 10962: 10959: 10956: 10940: 10939: 10936: 10933: 10927: 10923: 10916: 10908: 10890: 10889: 10886: 10882: 10879: 10878:<span id="x1" 10870: 10866: 10865: 10860: 10859: 10854: 10852: 10844: 10842: 10837: 10833: 10829: 10825: 10821: 10819: 10795: 10794: 10779: 10778: 10775: 10772: 10767: 10766: 10763: 10760: 10752: 10746:</noembed> 10719: 10718: 10715: 10712: 10706: 10705: 10702: 10699: 10696: 10693: 10685: 10648: 10647: 10644: 10641: 10605: 10599:</marquee> 10568: 10567: 10564: 10561: 10489: 10448: 10447: 10444: 10441: 10430: 10429: 10426: 10423: 10420: 10417: 10399: 10370: 10360: 10350: 10302: 10293: 10251: 10208: 10198: 10192: 10150: 10144:</listing> 10107: 10104: 10101: 10097: 10094: 10091: 10088: 10085: 10082: 10079: 10076: 10073: 10069: 10066: 10063: 10060: 10057: 10054: 10051: 10048: 10045: 10033: 10020: 10017: 10014: 10010: 10007: 10004: 10001: 9998: 9995: 9988: 9987:description.html 9980: 9977: 9974: 9971: 9968: 9965: 9962: 9959: 9956: 9944: 9940: 9924: 9913:long description 9906: 9902: 9898: 9893: 9880: 9857: 9853: 9849: 9845: 9840: 9836: 9829: 9799: 9792: 9757: 9753: 9749: 9748:<frameset> 9742: 9708: 9704: 9700: 9693: 9671: 9667: 9666:<frameset> 9663: 9659: 9658:<frameset> 9655: 9648: 9644: 9621: 9602:; still current. 9586: 9582: 9575: 9560:; still current. 9544: 9537: 9522:; still current. 9506: 9499: 9484:; still current. 9472:Proposed in the 9468: 9461: 9459:</caption> 9446:; still current. 9430: 9423: 9408:; still current. 9392: 9381: 9366:; still current. 9354:Proposed in the 9350: 9343: 9328:; still current. 9316:Proposed in the 9308: 9301: 9286:; still current. 9274:Proposed in the 9270: 9263: 9248:; still current. 9236:Proposed in the 9232: 9221: 9195:CALS Table Model 9174:; still current. 9160: 9156: 9149: 9128:; still current. 9114: 9079: 9050: 9035:; still current. 9024: 9020: 9013: 8998:; still current. 8987: 8980: 8948: 8944: 8940: 8936: 8932: 8925: 8910:; still current. 8899: 8898:<fieldset> 8892: 8877:; still current. 8866: 8859: 8824: 8773: 8755: 8747: 8743: 8737: 8717: 8675: 8659:A time selector. 8646:A date selector. 8628: 8607: 8586: 8536: 8519: 8502: 8498: 8460: 8422: 8363:; still current. 8352: 8346: 8335:; still current. 8324: 8320: 8319:<fieldset> 8313: 8287: 8280: 8265:; 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(With 2063: 2059: 2052: 2048: 1992:XHTML 1.0 Strict 1977:HTML 4.01 Strict 1826: 1823: 1820: 1817: 1814: 1811: 1797: 1794: 1791: 1788: 1785: 1782: 1779: 1773:for checkboxes: 1772: 1758: 1747: 1736: 1709: 1706: 1703: 1700: 1697: 1694: 1691: 1688: 1678:spaced trailing 1672: 1665: 1662: 1659: 1656: 1653: 1650: 1647: 1644: 1641: 1638: 1635: 1632: 1625: 1621: 1617: 1609: 1597: 1585: 1576: 1575: 1563: 1551: 1529: 1512: 1511: 1502: 1472: 1455: 1454: 1439:Types of element 1416: 1413: 1410: 1406: 1403: 1400: 1397: 1394: 1391: 1384: 1376: 1366: 1363: 1360: 1356: 1353: 1350: 1346: 1343: 1340: 1336: 1333: 1330: 1319: 1311: 1300: 1297: 1294: 1290: 1287: 1284: 1280: 1277: 1274: 1270: 1267: 1264: 1257: 1240: 1237: 1234: 1230: 1227: 1224: 1217: 1198: 1196: 1195: 1190: 1187: 1186: 1162: 1157: 1155: 1154: 1152: 1141: 1127: 1122: 1113: 1102: 1100: 1098: 1097: 1073: 1068: 1004: 1002: 1000: 999: 969: 964: 962: 961: 953: 948: 947: 897: 879: 874: 840: 839: 838: 827: 826: 824: 822: 808: 774: 769: 748: 747: 731: 729: 727: 725: 703: 699: 697: 694: 691: 688: 685: 668: 664: 657: 656: 653: 650: 647: 634: 591: 589: 586: 583: 580: 577: 573: 570: 567: 564: 561: 557: 554: 551: 546: 544: 541: 538: 534: 531: 528: 524: 521: 518: 513: 512: 509: 506: 501: 500: 497: 494: 473: 439: 429:might be implied 425:might be implied 321: 314: 307: 272:Rendering engine 162:named characters 46: 45: 32:Nitrosyl bromide 12978: 12977: 12973: 12972: 12971: 12969: 12968: 12967: 12948: 12947: 12937: 12936: 12923: 12918: 12907: 12905: 12896: 12885: 12883: 12862: 12860: 12850:Lie, Håkon Wium 12823: 12821: 12813:(2008-04-11) . 12807:Lie, Håkon Wium 12792: 12790: 12757: 12755: 12709: 12707: 12684: 12682: 12652: 12650: 12632: 12609: 12607: 12575: 12573: 12544: 12542: 12521: 12519: 12497: 12495: 12486: 12464: 12462: 12437: 12435: 12410: 12408: 12365: 12359: 12354: 12343:"HTML standard" 12341: 12340: 12336: 12327: 12325: 12318: 12311: 12298: 12297: 12293: 12283: 12281: 12280:. 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11574: 11572: 11554: 11550: 11542: 11540: 11533: 11532: 11528: 11522:. 5 April 2011. 11512: 11511: 11507: 11497: 11495: 11486: 11485: 11481: 11471: 11469: 11456: 11455: 11451: 11443: 11439: 11431: 11427: 11419: 11415: 11407: 11403: 11394: 11392: 11378: 11374: 11366: 11362: 11345: 11344: 11340: 11327: 11326: 11322: 11314: 11310: 11302: 11298: 11290: 11286: 11274: 11270: 11262: 11258: 11243: 11239: 11222: 11221: 11214: 11197: 11196: 11192: 11182: 11180: 11172: 11171: 11158: 11145: 11144: 11140: 11123: 11122: 11118: 11101: 11100: 11093: 11089: 11084: 11083: 11074: 11070: 11062: 11059: 11056: 11053: 11049: 11044: 11040: 11035: 11031: 11026: 11022: 11017: 11000: 10987: 10984: 10981: 10978: 10975: 10972: 10969: 10966: 10963: 10960: 10957: 10954: 10951: 10937: 10934: 10931: 10930: 10925: 10921: 10914: 10906: 10888:style="..."> 10887: 10884: 10880: 10877: 10876: 10868: 10863: 10862: 10857: 10856: 10850: 10840: 10817: 10796: 10792: 10787: 10776: 10773: 10770: 10764: 10761: 10758: 10753: 10748: 10716: 10713: 10710: 10703: 10700: 10697: 10694: 10691: 10686: 10681: 10645: 10642: 10639: 10614: 10612:Marquee element 10606: 10601: 10565: 10562: 10559: 10498: 10490: 10485: 10445: 10442: 10439: 10427: 10424: 10421: 10419:text-decoration 10418: 10415: 10408: 10400: 10395: 10372: 10364: 10356: 10352: 10344: 10341: 10340: 10339: 10332: 10300: 10294: 10289: 10252: 10247: 10206: 10196: 10193: 10188: 10151: 10146: 10119:Tim Berners-Lee 10115: 10110: 10109: 10105: 10102: 10099: 10095: 10092: 10089: 10086: 10083: 10080: 10077: 10074: 10071: 10067: 10064: 10061: 10058: 10055: 10052: 10049: 10046: 10043: 10040: 10031: 10028: 10023: 10022: 10018: 10015: 10012: 10008: 10005: 10002: 9999: 9996: 9993: 9986: 9984: 9982: 9981: 9978: 9975: 9972: 9969: 9966: 9963: 9960: 9957: 9954: 9951: 9942: 9938: 9922: 9904: 9900: 9896: 9891: 9883: 9878: 9855: 9851: 9847: 9843: 9838: 9834: 9830: 9827:</iframe> 9797: 9793: 9788: 9755: 9751: 9747: 9743: 9738: 9710:HTML attributes 9706: 9702: 9698: 9694: 9689: 9669: 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