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A best practice is to use the proper syntax. Discards attributes not on a whitelist for the given element. Turns broken or invalid entities into plaintext. Double-quotes all attribute values. Attributes without values are given the name as value. Double attributes are discarded. Unsafe style attributes are discarded.
Generally, coding can be copied and pasted, without writing new code. There is a short list of markup and tips at Help:Cheatsheet . In addition to wikitext, some HTML elements are also allowed for presentation formatting.
Lightweight markup languages can be categorized by their tag types. Like HTML (<b>bold</b>), some languages use named elements that share a common format for start and end tags (e.g. BBCode [b]bold[/b]), whereas proper lightweight markup languages are restricted to ASCII-only punctuation marks and other non-letter symbols for tags, but some also mix both styles (e.g. Textile bq.
JavaScript code can use the Document Object Model (DOM), provided by the HTML standard, to manipulate a web page in response to events, like user input. Using a technique called AJAX , JavaScript code can also actively retrieve content from the web (independent of the original HTML page retrieval), and also react to server-side events as well ...
HTML elements are the building blocks of HTML pages. With HTML constructs, images and other objects such as interactive forms may be embedded into the rendered page. HTML provides a means to create structured documents by denoting structural semantics for text such as headings, paragraphs, lists, links, quotes, and other items.
Web Components are a set of features that provide a standard component model for the web [1] allowing for encapsulation and interoperability of individual HTML elements. Web Components are a popular approach when building microfrontends. Primary technologies used to create Web Components include: [2] Custom Elements APIs to define new HTML ...
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Markdown markup inside HTML blocks; Elements with id/class attribute "Fenced code blocks" that span multiple lines of code; Tables [40] Definition lists; Footnotes; Abbreviations; Markdown Extra is supported in some content management systems such as Drupal, [41] Grav (CMS) and TYPO3. [42]