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[2] [3] And the color input type can be represented as an input text simply checking the value entered is a correct hexadecimal representation of a color, according to the specification, [4] or a color picker widget (the latter being the solution used in most browsers which support this attribute).
Valid values include |lang=wikitext for wikitext, |lang=html for HTML, along with many other languages including php, perl, css, javascript, mysql. Attempting to use an invalid value for lang will cause the page to be added to Category:Pages with syntax highlighting errors , and no syntax highlighting will be present in the output.
Where element names the HTML element type, and attribute is the name of the attribute, set to the provided value. The value may be enclosed in single or double quotes, although values consisting of certain characters can be left unquoted in HTML (but not XHTML). [2] [3] Leaving attribute values unquoted is considered unsafe. [4]
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.
It introduced the getElementById function as well as an event model and support for XML namespaces and CSS. DOM Level 3, published in April 2004, added support for XPath and keyboard event handling, as well as an interface for serializing documents as XML. HTML5 was published in October 2014. Part of HTML5 had replaced DOM Level 2 HTML module.
For codes from 0 to 127, the original 7-bit ASCII standard set, most of these characters can be used without a character reference. Codes from 160 to 255 can all be created using character entity names. Only a few higher-numbered codes can be created using entity names, but all can be created by decimal number character reference.
Hexadecimal Unicode input can be enabled by adding a string type (REG_SZ) value called EnableHexNumpad to the registry key HKEY_CURRENT_USER\Control Panel\Input Method and assigning the value data 1 to it. Users will need to log off and back in after editing the registry for this input method to start working.
For including parser functions, variables and behavior switches, see Help:Magic words For a guide to displaying mathematical equations and formulas, see Help:Displaying a formula For a guide to editing, see Wikipedia:Contributing to Wikipedia