The XMLHttpRequestEventTarget.onload
is the function called when an XMLHttpRequest
transaction completes successfully.
Syntax
XMLHttpRequest.onload = callback;
Values
callback
is the function to be executed when the request completes successfully. It receives aProgressEvent
object as its first argument. The value of this (i.e. the context) is the sameXMLHttpRequest
this 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
Specification | Status | Comment |
XMLHttpRequest | Living Standard | WHATWG living standard |
Browser compatibility
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 | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
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 |
Legend
- Full support
- Full support
XMLHttpRequestEventTarget.onload by Mozilla Contributors is licensed under CC-BY-SA 2.5.