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.
API Performance
L'API Performance est un ensemble de standards utilisés pour mesurer les performances des applications web.
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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chore: update members of Russian's localization teammdn/translated-content
an hour agofr: Adding the `Attrib_copyright_license` for #16686mdn/translated-content
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4 hours agoDelete Guide/Introduction_to_Web_development and redirect to Learnmdn/content
6 hours ago[es] remove obsolete `orphaned/Web/API/Canvas_API/A_basic_ray-caster`mdn/translated-content
6 hours agofix(html): update boolean value descriptionmdn/content
7 hours ago[es] sync translated contentmdn/translated-content
8 hours agochore: update members of Russian's localization teammdn/content
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9 hours agofix(html): Format <h1>-<h6> tags correctlymdn/content
10 hours ago
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