SpeechSynthesis: cancel() 方法
SpeechSynthesis 介面的 cancel() 方法將語音佇列中的所有話語移除。
如果當前正在朗讀某個話語，朗讀將立即停止。
語法
js
cancel()
引數
無。
返回值
無（undefined）。
示例
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);
synth.cancel(); // utterance1 stops being spoken immediately, and both are removed from the queue
規範
| 規範 |
|---|
| Web Speech API # dom-speechsynthesis-cancel |
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