SpeechSynthesis：pending 属性
pending 是 SpeechSynthesis 接口的只读属性，它是一个布尔值，如果话语队列包含尚未说出的话语，则返回 true。
值
布尔值。
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);
const amIPending = synth.pending; // will return true if utterance 1 is still being spoken and utterance 2 is in the queue
规范
| 规范 |
|---|
| Web 语音 API # dom-speechsynthesis-pending |
浏览器兼容性
BCD 表格仅在启用 JavaScript 的浏览器中加载。