SpeechSynthesisUtterance: start event

Experimental

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The start event of the Web Speech API SpeechSynthesisUtterance object is fired when the utterance has begun to be spoken.

Bubbles No
Cancelable No
Interface SpeechSynthesisEvent
Event handler property onstart

Examples

You can use the start event in an addEventListener method:

utterThis.addEventListener('start', function(event) {
  console.log('We have started uttering this speech: ' + event.utterance.text);
});

Or use the onstart event handler property:

utterThis.onstart = function(event) {
  console.log('We have started uttering this speech: ' + event.utterance.text);
}

Specifications

Specification Status Comment
Web Speech API
The definition of 'speech synthesis utterance events' in that specification.
Draft

Browser compatibility

BCD tables only load in the browser

See also