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这是一个实验中的功能
此功能某些浏览器尚在开发中，请参考浏览器兼容性表格以得到在不同浏览器中适合使用的前缀。由于该功能对应的标准文档可能被重新修订，所以在未来版本的浏览器中该功能的语法和行为可能随之改变。
语法
abortSignal.onabort = function() { ... };
示例
在下面例子中, 我们将创建一个新的 AbortController 对象，并获取它的AbortSignal (在 signal 属性中可用)。然后我们查看 onabort 属性是否被终止，并将相应的日志输出到控制台。
var controller = new AbortController();
var signal = controller.signal;
signal.onabort = function() {
console.log('Request aborted');
};
规格
| 规格 | 状态 | 标注 |
|---|---|---|
| DOM onabort |
Living Standard | 初始定义 |
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.
Update compatibility data on GitHub
| Desktop | Mobile | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
onabort | Chrome Full support 66 | Edge Full support 16 | Firefox Full support 57 | IE No support No | Opera Full support 53 | Safari Full support 11.1 | WebView Android Full support 66 | Chrome Android Full support 66 | Edge Mobile No support No | Firefox Android Full support 57 | Opera Android Full support 47 | Safari iOS Full support 11.1 | Samsung Internet Android No support No |
Legend
- Full support
- Full support
- No support
- No support
- Experimental. Expect behavior to change in the future.
- Experimental. Expect behavior to change in the future.