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CSS-in-JS is a styling technique by which JavaScript is used to style components. When this JavaScript is parsed, CSS is generated (usually as a <style> element) and attached into the DOM . It enables the abstraction of CSS to the component level itself, using JavaScript to describe styles in a declarative and maintainable way.
A class may be produced by the software, e.g., ns-namespace number for the HTML-element "body", and extiw for an interwiki link in the page body, or taken from the wikitext. Similarly, an ID may be produced by the software, e.g., bodyContent, or taken from the wikitext.
class: an identifier that can annotate multiple elements in a document, denoted by a dot prefix e.g. .classname (the phrase "CSS class", although sometimes used, is a misnomer, as element classes—specified with the HTML class attribute—is a markup feature that is distinct from browsers' CSS subsystem and the related W3C/WHATWG standards ...
For example, if a page contains a "span" element with class FA and id lc, MediaWiki:Monobook.js specifies the style and title of elements "li" of class interwiki-lc, thus controlling the style and title of the interlanguage link of language code lc in the margin, provided that the skin specifies this class interwiki-lc (E.g., Cologne Blue ...
The name attribute of the <a> element served the same purpose, but is now obsolete in favor of the id attribute, which can be applied to any element. [ 6 ] In all XML document types including XHTML fragments corresponding to an xml:id or similar id attributes follow the Name -syntax and begin with a letter, underscore, or colon.
JavaScript Style Sheets (JSSS) was a stylesheet language technology proposed by Netscape Communications in 1996 to provide facilities for defining the presentation of webpages. [1] It was an alternative to the Cascading Style Sheets (CSS) technology.
Mapping between HTML5 and JavaScript features and Content Security Policy controls. If the Content-Security-Policy header is present in the server response, a compliant client enforces the declarative allowlist policy. One example goal of a policy is a stricter execution mode for JavaScript in order to prevent certain cross-site scripting attacks.
With the exception of the lack of a URI or the FPI string (the FPI string is treated case sensitively by validators), this format (a case-insensitive match of the string !DOCTYPE HTML) is the same as found in the syntax of the SGML based HTML 4.01 DOCTYPE. Both in HTML4 and in HTML5, the formal syntax is defined in upper case letters, even if ...