Firefox Tomorrow

web api event

SpeechSynthesisUtterance: start event

View on MDN ↗

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

Syntax

Use the event name in methods like addEventListener(), or set an event handler property.

addEventListener("start", (event) => { })

onstart = (event) => { }

Event type

A SpeechSynthesisEvent. Inherits from Event.

Examples

You can use the start event in an addEventListener method:

utterThis.addEventListener("start", (event) => {
  console.log(`We have started uttering this speech: ${event.utterance.text}`);
});

Or use the onstart event handler property:

utterThis.onstart = (event) => {
  console.log(`We have started uttering this speech: ${event.utterance.text}`);
};

Specifications

SpecificationsStandards references are available on the canonical MDN page.

Browser compatibility

Browser compatibilityCompatibility data is available on the canonical MDN page.

See also