XMLHttpRequestEventTarget 是一个描述事件处理程序的接口，你可以在一个用于处理 XMLHttpRequest 事件的对象中使用到该事件处理程序。
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属性
XMLHttpRequestEventTarget.onabort- 当请求失败时调用该方法，接受
abort对象作为参数。 XMLHttpRequestEventTarget.onerror- 当请求发生错误时调用该方法，接受
error对象作为参数。 XMLHttpRequestEventTarget.onload- 当一个 HTTP 请求正确加载出内容后返回时调用，接受
load对象作为参数。 XMLHttpRequestEventTarget.onloadstart- 当一个 HTTP 请求开始加载数据时调用，接受
loadstart对象作为参数。 XMLHttpRequestEventTarget.onprogress- 间歇调用该方法用来获取请求过程中的信息，接受
progress对象作为参数。 XMLHttpRequestEventTarget.ontimeout- 当超时时调用，接受
timeout对象作为参数；只有设置了XMLHttpRequest对象的timeout属性时，才可能发生超时事件。 XMLHttpRequestEventTarget.onloadend- 当内容加载完成，不管失败与否，都会调用该方法，接受
loadend对象作为参数。
规范
| 规范 | 状态 | 备注 |
|---|---|---|
| XMLHttpRequest | Living Standard | WHATWG living standard |
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
XMLHttpRequestEventTarget | Chrome Full support 1 | Edge Full support 12 | Firefox Full support 1 | IE Full support 7 | Opera Full support Yes | Safari Full support 1 | WebView Android Full support 1 | Chrome Android Full support 18 | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support 1.0 |
onabort | Chrome Full support Yes | Edge Full support ≤18 | Firefox Full support Yes | IE Full support 10 | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
onerror | Chrome Full support Yes | Edge Full support ≤18 | Firefox Full support Yes | IE Full support 10 | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
onload | Chrome Full support Yes | Edge Full support ≤18 | Firefox Full support Yes | IE Full support 9 | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
onloadend | Chrome Full support Yes | Edge Full support ≤18 | Firefox Full support Yes | IE Full support 10 | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
onloadstart | Chrome Full support Yes | Edge Full support ≤18 | Firefox Full support Yes | IE Full support 10 | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
onprogress | Chrome Full support Yes | Edge Full support ≤18 | Firefox Full support Yes | IE Full support 10 | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
ontimeout | Chrome Full support Yes | Edge Full support ≤18 | Firefox Full support Yes | IE Full support 8 | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
Legend
- Full support
- Full support