AbstractWorker.onerror
概述
AbstractWorker
接口的onerror
特性是一个事件句柄,在 Worker
的error (en-US)
事件触发并冒泡时执行。
语法
myWorker.onerror = function() { ... };
示例
下面的代码片段展示了通过 Worker()
创建 Worker
对象的过程, 以及设置onerror回调函数:
var myWorker = new Worker("worker.js");
myWorker.onerror = function() {
console.log('There is an error with your worker!');
}
规范
Specification | Status | Comment |
---|---|---|
HTML Living Standard AbstractWorker.onerror |
Living Standard | No change from Unknown. |
Unknown AbstractWorker.onerror |
Unknown | Initial definition. |
浏览器兼容性
BCD tables only load in the browser
早期浏览器会抛出 SecurityError
,在规范变更后,则是 error (en-US)
事件。具体见 Loading cross-origin worker now fires error event instead of throwing; worker in sandboxed iframe no longer allowed.
另请参阅
- The
AbstractWorker
interface it belongs to.