XMLHttpRequestEventTarget

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

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

DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
XMLHttpRequestEventTargetChrome Full support 1Edge Full support 12Firefox Full support 1IE Full support 7Opera Full support YesSafari Full support 1WebView Android Full support 1Chrome Android Full support 18Firefox Android Full support YesOpera Android Full support YesSafari iOS Full support YesSamsung Internet Android Full support 1.0
onabortChrome Full support YesEdge Full support ≤18Firefox Full support YesIE Full support 10Opera Full support YesSafari Full support YesWebView Android Full support YesChrome Android Full support YesFirefox Android Full support YesOpera Android Full support YesSafari iOS Full support YesSamsung Internet Android Full support Yes
onerrorChrome Full support YesEdge Full support ≤18Firefox Full support YesIE Full support 10Opera Full support YesSafari Full support YesWebView Android Full support YesChrome Android Full support YesFirefox Android Full support YesOpera Android Full support YesSafari iOS Full support YesSamsung Internet Android Full support Yes
onloadChrome Full support YesEdge Full support ≤18Firefox Full support YesIE Full support 9Opera Full support YesSafari Full support YesWebView Android Full support YesChrome Android Full support YesFirefox Android Full support YesOpera Android Full support YesSafari iOS Full support YesSamsung Internet Android Full support Yes
onloadendChrome Full support YesEdge Full support ≤18Firefox Full support YesIE Full support 10Opera Full support YesSafari Full support YesWebView Android Full support YesChrome Android Full support YesFirefox Android Full support YesOpera Android Full support YesSafari iOS Full support YesSamsung Internet Android Full support Yes
onloadstartChrome Full support YesEdge Full support ≤18Firefox Full support YesIE Full support 10Opera Full support YesSafari Full support YesWebView Android Full support YesChrome Android Full support YesFirefox Android Full support YesOpera Android Full support YesSafari iOS Full support YesSamsung Internet Android Full support Yes
onprogressChrome Full support YesEdge Full support ≤18Firefox Full support YesIE Full support 10Opera Full support YesSafari Full support YesWebView Android Full support YesChrome Android Full support YesFirefox Android Full support YesOpera Android Full support YesSafari iOS Full support YesSamsung Internet Android Full support Yes
ontimeoutChrome Full support YesEdge Full support ≤18Firefox Full support YesIE Full support 8Opera Full support YesSafari Full support YesWebView Android Full support YesChrome Android Full support YesFirefox Android Full support YesOpera Android Full support YesSafari iOS Full support YesSamsung Internet Android Full support Yes

Legend

Full support
Full support

See also