canisoon

"once" event listener option

95.69

DOM

Causes an event listener to be automatically removed after it gets invoked, so that it only gets invoked once. Similar to jQuery's `$.one()` feature.

Further reading:

  1. Can I use page for: "once" event listener option
  2. Chromium Issue 615384: Support "once" event listener option
  3. JS Bin testcase
  4. MS Edge feature request on UserVoice