The XMLHttpRequestEventTarget.onload
is the function called when an XMLHttpRequest
transaction completes successfully.
XMLHttpRequest.onload = callback;
callback
is the function to be executed when the request completes successfully. It receives a ProgressEvent
object as its first argument. The value of this (i.e. the context) is the same XMLHttpRequest
this callback is related to. var xmlhttp = new XMLHttpRequest(), method = 'GET', url = 'https://developer.mozilla.org/'; xmlhttp.open(method, url, true); xmlhttp.onload = function () { // Do something with the retrieved data ( found in xmlhttp.response ) }; xmlhttp.send();
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
onload |
1 |
12 |
1 |
10 |
≤12.1 |
1.3 |
≤37 |
18 |
4 |
≤12.1 |
1 |
1.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequestEventTarget/onload