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SpeechSynthesis: pending property

The pending read-only property of the SpeechSynthesis interface is a boolean value that returns true if the utterance queue contains as-yet-unspoken utterances.

Value

A boolean value.

Examples

js

const synth = window.speechSynthesis;

const utterance1 = new SpeechSynthesisUtterance(
  "How about we say this now? This is quite a long sentence to say.",
);
const utterance2 = new SpeechSynthesisUtterance(
  "We should say another sentence too, just to be on the safe side.",
);

synth.speak(utterance1);
synth.speak(utterance2);

const amIPending = synth.pending; // will return true if utterance 1 is still being spoken and utterance 2 is in the queue

Specifications

Browser compatibility

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

See also

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https://developer.mozilla.org/en-US/docs/Web/API/SpeechSynthesis/pending