这是
实验性技术
检查
浏览器兼容性表格
要小心谨慎在生产中使用这之前。
pending
只读特性在
SpeechSynthesis
接口是
布尔
that returns
true
if the utterance queue contains as-yet-unspoken utterances.
var amIPending = speechSynthesisInstance.pending;
A
布尔
.
var synth = window.speechSynthesis;
var utterance1 = new SpeechSynthesisUtterance('How about we say this now? This is quite a long sentence to say.');
var utterance2 = new SpeechSynthesisUtterance('We should say another sentence too, just to be on the safe side.');
synth.speak(utterance1);
synth.speak(utterance2);
var amIPending = synth.pending; // will return true if utterance 1 is still being spoken and utterance 2 is in the queue
| 规范 | 状态 | 注释 |
|---|---|---|
|
Web 语音 API
The definition of 'pending' in that specification. |
草案 |
| 桌面 | 移动 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
pending
|
Chrome 33 | Edge 14 | Firefox 49 | IE 不支持 No | Opera 21 | Safari 7 | WebView Android 4.4.3 | Chrome Android 33 | Firefox Android 62 | Opera Android 不支持 No | Safari iOS 7 | Samsung Internet Android 3.0 |
完整支持
不支持
实验。期望将来行为有所改变。
用户必须明确启用此特征。
SpeechSynthesis
onvoiceschanged
paused
pending
speaking