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  2. HTML attribute - Wikipedia

    en.wikipedia.org/wiki/HTML_attribute

    In HTML syntax, an attribute is added to a HTML start tag. Several basic attributes types have been recognized, including: (1) required attributes needed by a particular element type for that element type to function correctly; (2) optional attributes used to modify the default functionality of an element type; (3) standard attributes supported ...

  3. Help:HTML in wikitext - Wikipedia

    en.wikipedia.org/wiki/Help:HTML_in_wikitext

    Some tags that resemble HTML are actually MediaWiki parser and extension tags, and so are actually wiki markup. HTML included in pages can be validated for HTML5 compliance by using validation. Note that some elements and attributes supported by MediaWiki and browsers have been deprecated by HTML5 and should no longer be used.

  4. HTML - Wikipedia

    en.wikipedia.org/wiki/HTML

    Initially code-named "Cougar", [18] HTML 4.0 adopted many browser-specific element types and attributes, but also sought to phase out Netscape's visual markup features by marking them as deprecated in favor of style sheets. HTML 4 is an SGML application conforming to ISO 8879 – SGML. [20] April 24, 1998

  5. List of XML and HTML character entity references - Wikipedia

    en.wikipedia.org/wiki/List_of_XML_and_HTML...

    In SGML, HTML and XML documents, the logical constructs known as character data and attribute values consist of sequences of characters, in which each character can manifest directly (representing itself), or can be represented by a series of characters called a character reference, of which there are two types: a numeric character reference and a character entity reference.

  6. HTML sanitization - Wikipedia

    en.wikipedia.org/wiki/HTML_sanitization

    In data sanitization, HTML sanitization is the process of examining an HTML document and producing a new HTML document that preserves only whatever tags and attributes are designated "safe" and desired. HTML sanitization can be used to protect against attacks such as cross-site scripting (XSS) by sanitizing any HTML code submitted by a user.

  7. Access key - Wikipedia

    en.wikipedia.org/wiki/Access_key

    The value of an element’s accesskey attribute is the key the user will press (typically in combination with one or more other keys, as defined by the browser) in order to activate or focus that element. Though the accesskey attribute sets the key that can be pressed, it does not automatically notify the user of the bound access key.

  8. Dynamic HTML - Wikipedia

    en.wikipedia.org/wiki/Dynamic_HTML

    Include rollover buttons or drop-down menus. A less common use is to create browser-based action games. Although a number of games were created using DHTML during the late 1990s and early 2000s, [4] differences between browsers made this difficult: many techniques had to be implemented in code to enable the games to work on multiple platforms.

  9. Hyperlink - Wikipedia

    en.wikipedia.org/wiki/Hyperlink

    The anchor closing tag (</a>) terminates the hyperlink code. The <a> tag can also consist of various attributes such as the "rel" attribute which specifies the relationship between the current document and linked document. Webgraph is a graph, formed from web pages as vertices and hyperlinks, as directed edges.