Web features explorer

Interest invokers

Limited availability

Interest invokers, registered by the interestfor HTML attribute, trigger events and actions on a target element when a user shows interest in the element, through behaviors such as hover, focus, or long-press. Pseudo-elements apply styles to sources and targets of interest.

Browser support

  • Chrome 142 Released on 2025-10-28
  • Chrome Android 142 Released on 2025-10-28
  • Edge 142 Released on 2025-10-31
  • Firefox Not supported Bugs: 1984699
  • Firefox for Android Not supported
  • Safari Not supported
  • Safari on iOS Not supported
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MDN documentation

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Specifications

Web Platform Tests (WPT)

View the latest WPT test results for this feature

Developer use cases

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