Resources for Developers,
by Developers
Documenting web technologies, including CSS, HTML, and JavaScript, since 2005.
Featured articles
New reference pages on MDN for JavaScript regular expressions
See the latest updates to the MDN reference pages about JavaScript regular expressions, including new sections on sub-features and browser compatibility information.
Using HTML landmark roles to improve accessibility
Learn what HTML landmark roles are, how they improve accessibility, and how you can include them on your website effectively.
CSS nesting
The CSS nesting module defines a syntax for nesting selectors, providing the ability to nest one style rule inside another, with the selector of the child rule relative to the selector of the parent rule.
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[ru] remove obsolete `conflicting/Web/HTML/Global_attributes/contenteditable`mdn/translated-content
2 hours ago[ru] remove obsolete `conflicting/Web/HTML/Element/input/datetime-local`mdn/translated-content
2 hours ago[ru] remove obsolete `conflicting/Web/HTTP/Status/502`mdn/translated-content
2 hours ago[ru] remove obsolete `conflicting/Web/HTTP/Status/404`mdn/translated-content
2 hours agoCustomStateSet plus using custom elementsmdn/content
3 hours agochore(CSS): Replace png images with SVG equivalentsmdn/content
3 hours agoSanitizer.sanitizeFor() not supported/intended to support - reflect BCDmdn/content
3 hours agoFF121 Relnote: Promise.withResolvers()mdn/content
4 hours agofix: update rust to wasm tutorial to state the correct passed stringmdn/content
5 hours ago[ja] sync translated contentmdn/translated-content
7 hours ago
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YujiMDN Web Docs has the most up-to-date and accurate information and the content is presented in an easy-to-understand manner. I also like that it's available in many languages (very important!).Get involved →
