XMLHttpRequestEventTarget.onload
The XMLHttpRequestEventTarget.onload is the function called when an XMLHttpRequest transaction completes successfully.
Syntax
XMLHttpRequest.onload = callback;
Values
-
callbackis the function to be executed when the request completes successfully. It receives aProgressEventobject as its first argument. The value of this (i.e. the context) is the sameXMLHttpRequestthis callback is related to.
Example
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();
Specifications
Browser compatibility
| 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 |
≤4 |
≤37 |
18 |
4 |
≤12.1 |
≤3 |
1.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequestEventTarget/onload