Web/API/XMLHTTPRequest/abort

The XMLHttpRequest.abort() method aborts the request if it has already been sent. When a request is aborted, its readyState is changed to XMLHttpRequest.UNSENT (0) and the request's status code is set to 0.

Syntax

XMLHttpRequest.abort()

Parameters

None.

Return value

undefined

Example

This example begins loading content from the MDN home page, then due to some condition, aborts the transfer by calling abort().

var xhr = new XMLHttpRequest(),
    method = "GET",
    url = "https://developer.mozilla.org/";
xhr.open(method, url, true);

xhr.send();

if (OH_NOES_WE_NEED_TO_CANCEL_RIGHT_NOW_OR_ELSE) {
  xhr.abort();
}

Specifications

Specification	Status	Comment
XMLHttpRequest	Living Standard	WHATWG living standard

Browser compatibility

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`abort`	Chrome Full support 18	Edge Full support 12	Firefox Full support Yes	IE Full support 5	Opera Full support Yes	Safari Full support 1.2	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