WindowOrWorkerGlobalScope.clearTimeout()

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clearTimeout() 方法在 WindowOrWorkerGlobalScope mixin cancels a timeout previously established by calling setTimeout() .

句法

scope.clearTimeout(timeoutID)

参数

timeoutID: The identifier of the timeout you want to cancel. This ID was returned by the corresponding call to setTimeout() .

It's worth noting that the pool of IDs used by setTimeout() and setInterval() are shared, which means you can technically use clearTimeout() and clearInterval() interchangeably. However, for clarity, you should avoid doing so.

范例

Run the script below in the context of a web page and click on the page once. You'll see a message popping up in a second. If you click the page multiple times in one second, the alert only appears once.

var alarm = {
  remind: function(aMessage) {
    alert(aMessage);
    this.timeoutID = undefined;
  },
  setup: function() {
    if (typeof this.timeoutID === 'number') {
      this.cancel();
    }
    this.timeoutID = window.setTimeout(function(msg) {
      this.remind(msg);
    }.bind(this), 1000, 'Wake up!');
  },
  cancel: function() {
    window.clearTimeout(this.timeoutID);
  }
};
window.onclick = function() { alarm.setup(); };

注意事项

Passing an invalid ID to clearTimeout() silently does nothing; no exception is thrown.

规范

规范	状态	注释
HTML 实时标准 The definition of 'WindowOrWorkerGlobalScope.clearTimeout()' in that specification.	实时标准	Method moved to the `WindowOrWorkerGlobalScope` mixin in the latest spec.
HTML 实时标准 The definition of 'clearTimeout()' in that specification.	实时标准

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
`clearTimeout`	Chrome 45	Edge 12	Firefox 1 1 52 `clearTimeout()` now defined on `WindowOrWorkerGlobalScope` 混合。	IE 4 4 From Internet Explorer 4 through 8, `clearTimeout` is an Object rather than a Function. This behavior was fixed in Internet Explorer 9.	Opera 4	Safari 4	WebView Android 45	Chrome Android 45	Firefox Android 4 4 52 `clearTimeout()` now defined on `WindowOrWorkerGlobalScope` 混合。	Opera Android 10.1	Safari iOS 1	Samsung Internet Android 5.0

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