AbortSignal.onabort

The onabort read-only property of the AbortSignal interface is an event handler invoked when an abort event fires, i.e. when the fetch requests the signal is communicating with are aborted.

Syntax

abortSignal.onabort = function() { ... };

Examples

In the following snippet, we create a new AbortController object, and get its AbortSignal (available using the signal property). Later on we check whether or not 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

Browser compatibility

See also

• Fetch API