Experimental
This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The boundary event of the Web Speech API is fired when the spoken utterance reaches a word or sentence boundary.
| Bubbles | No |
|---|---|
| Cancelable | No |
| Interface | SpeechSynthesisEvent |
| Event handler | onboundary |
Examples
You can use the boundary event in an addEventListener method:
utterThis.addEventListener('boundary', function(event) {
console.log(event.name + ' boundary reached after ' + event.elapsedTime + ' milliseconds.');
});Or use the onboundary event handler property:
utterThis.onboundary = function(event) {
console.log(event.name + ' boundary reached after ' + event.elapsedTime + ' milliseconds.');
}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