Web/API/XMLHttpRequestEventTarget

XMLHttpRequestEventTarget is the interface that describes the event handlers you can implement in an object that will handle events for an XMLHttpRequest.

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Properties

XMLHttpRequestEventTarget.onabort: Contains the function to call when a request is aborted and the abort event is received by this object.
XMLHttpRequestEventTarget.onerror: Contains the function to call when a request encounters an error and the error event is received by this object.
XMLHttpRequestEventTarget.onload: Contains the function to call when an HTTP request returns after successfully fetching content and the load event is received by this object.
XMLHttpRequestEventTarget.onloadstart: Contains the function that gets called when the HTTP request first begins loading data and the loadstart event is received by this object.
XMLHttpRequestEventTarget.onprogress: Contains the function that is called periodically with information about the progress of the request and the progress event is received by this object.
XMLHttpRequestEventTarget.ontimeout: Contains the function that is called if the event times out and the timeout event is received by this object; this only happens if a timeout has been previously established by setting the value of the XMLHttpRequest object's timeout attribute.
XMLHttpRequestEventTarget.onloadend: Contains the function that is called when the load is completed, even if the request failed, and the loadend event is received by this object.

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
`XMLHttpRequestEventTarget`	Chrome Full support 1	Edge Full support 12	Firefox Full support 1	IE Full support 7	Opera Full support Yes	Safari Full support 1	WebView Android Full support 1	Chrome Android Full support 18	Firefox Android Full support Yes	Opera Android Full support Yes	Safari iOS Full support Yes	Samsung Internet Android Full support 1.0
`onabort`	Chrome Full support Yes	Edge Full support ≤18	Firefox Full support Yes	IE Full support 10	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
`onerror`	Chrome Full support Yes	Edge Full support ≤18	Firefox Full support Yes	IE Full support 10	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
`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
`onloadend`	Chrome Full support Yes	Edge Full support ≤18	Firefox Full support Yes	IE Full support 10	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
`onloadstart`	Chrome Full support Yes	Edge Full support ≤18	Firefox Full support Yes	IE Full support 10	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
`onprogress`	Chrome Full support Yes	Edge Full support ≤18	Firefox Full support Yes	IE Full support 10	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
`ontimeout`	Chrome Full support Yes	Edge Full support ≤18	Firefox Full support Yes	IE Full support 8	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

Web/API/XMLHttpRequestEventTarget

Contents

Properties

Specifications

Browser compatibility

Legend

See also