AudioParam.cancelScheduledValues()

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cancelScheduledValues() 方法在 AudioParam Interface cancels all scheduled future changes to the AudioParam .

句法

var AudioParam = AudioParam.cancelScheduledValues(startTime)

参数

startTime: A double representing the time (in seconds) after the AudioContext was first created after which all scheduled changes will be cancelled.

A reference to this AudioParam object. In some older implementations this method returns void.

范例

var gainNode = audioCtx.createGain();
gainNode.gain.setValueCurveAtTime(waveArray, audioCtx.currentTime, 2); //'gain' is the AudioParam
gainNode.gain.cancelScheduledValues(audioCtx.currentTime);

规范

规范	状态	注释
Web 音频 API The definition of 'cancelScheduledValues' in that specification.	工作草案

浏览器兼容性

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. 更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`cancelScheduledValues`	Chrome 14	Edge 12	Firefox 25	IE 不支持 No	Opera 15	Safari 6	WebView Android Yes	Chrome Android 18	Firefox Android 26	Opera Android 14	Safari iOS Yes	Samsung Internet Android 1.0

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完整支持
不支持

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使用 Web 音频 API

元数据

最后修改： 2020 年 1 月 22 日

Web 音频 API
AudioParam
特性
方法
1. cancelAndHoldAtTime()
2. cancelScheduledValues()
3. exponentialRampToValueAtTime()
4. linearRampToValueAtTime()
5. setTargetAtTime()
6. setValueAtTime()
7. setValueCurveAtTime()
Related pages for Web Audio API

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