Web features explorer

Case-sensitive attribute selector

Limited availability

The s identifier in a CSS attribute selector matches attribute values case-sensitively in document languages like HTML where attribute values are case-insensitive.

Browser support

  • Chrome Not supported Bugs: 40667738
  • Chrome Android Not supported Bugs: 40667738
  • Edge Not supported Bugs: 40667738
  • Firefox 66 Released on 2019-03-19
  • Firefox for Android 66 Released on 2019-03-19
  • Safari Not supported Bugs: 272573
  • Safari on iOS Not supported Bugs: 272573
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MDN documentation

Specifications

View as JSON | Edit this feature | Report an issue | Web-features entry: source, dist