The onabort
read-only property of the FetchSignal
interface is an event handler Invoked when an abort
event fires, i.e. when the fetch request(s) the signal is communicating with is/are aborted.
Syntax
abortSignal.onabort = function() { ... };
Examples
In the following snippet, we create a new AbortController
object, and get its AbortSignal
(available in the signal
property). Later on we check whether or not it the signal has been aborted using the onabort
property, and send an appropriate log to the console.
var controller = new AbortController();
var signal = controller.signal;
signal.onabort = function() {
console.log('Request aborted');
};
Specifications
Specification | Status | Comment |
DOMThe definition of 'onabort' in that specification. | Living Standard | Initial definition |
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 | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Chrome
Full support 66 |
Edge
Full support 16 |
Firefox
Full support 57 |
IE
No support No |
Opera
Full support 53 |
Safari
Full support 11.1 |
WebView Android
Full support 66 |
Chrome Android
Full support 66 |
Firefox Android
Full support 57 |
Opera Android
Full support 47 |
Safari iOS
Full support 11.3 |
Samsung Internet Android
Full support 9.0 |
Legend
- Full support
- Full support
- No support
- No support
- Experimental. Expect behavior to change in the future.'
- Experimental. Expect behavior to change in the future.
See also
AbortSignal.onabort by Mozilla Contributors is licensed under CC-BY-SA 2.5.