RTCDTMFSender.ontonechange

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ontonechange 特性为 RTCDTMFSender interface is used to set the event handler for the tonechange event, which is sent to the RTCDTMFSender each time a tone begins or ends. The event handler receives as input a single parameter of type RTCDTMFToneChangeEvent , which describes the change.

句法

RTCDTMFSender.ontonechange = toneChangeHandlerFunction;

值

A function which is called when a tonechange event is sent to the RTCDTMFSender , indicating that a DTMF tone has either started playing, or if all tones have finished playing.

范例

tbd

规范

规范	状态	注释
WebRTC 1.0: Real-time Communication Between Browsers The definition of 'ontonechange' in that specification.	候选推荐

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
`ontonechange`	Chrome 27	Edge ≤79	Firefox 52	IE 不支持 No	Opera Yes	Safari ?	WebView Android Yes	Chrome Android 27	Firefox Android 52	Opera Android Yes	Safari iOS ?	Samsung Internet Android 1.5

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