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.

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);
}

Specification
Web Speech API # eventdef-speechsynthesisutterance-start

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`start_event`	33	14	49	No	21	7	No	33	62	No	7	3.0