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.
Performance API
The Performance API is a group of standards used to measure the performance of web applications.
font-palette
The font-palette CSS property allows specifying one of the many palettes contained in a font that a user agent should use for the font. Users can also override the values in a palette or create a new palette by using the @font-palette-values at-rule.
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Improve string coercion descriptionmdn/content
11 minutes agoWebDriver conformance changes for Firefox 118mdn/content
3 hours agoFix typo: "hilite" to "highlight"mdn/content
4 hours agofix(css): update 'drop-shadow()' pagemdn/content
5 hours agoFix issue 28591: clarify cross-origin usage and use with postMessagemdn/content
7 hours agoTranslate Cookie Store APImdn/translated-content
11 hours ago[ja] JavaScript `BigInt` ページの更新mdn/translated-content
11 hours agozh-cn: fix typo in `Evolution_of_HTTP`mdn/translated-content
12 hours ago[ko]: revise index.md in `web/glossary/character_set`mdn/translated-content
12 hours ago[zh-cn]: update the translation of Number.toFixed()mdn/translated-content
13 hours ago
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