The FileReader.onload property contains a event handler executed when the load event is fired, when content read with readAsArrayBuffer, readAsBinaryString, readAsDataURL or readAsText is available.

Event Handler File FileReader Property Reference

The GlobalEventHandlers.onselectstart property represents the event handler that is called when a selectstart event reaches this object.

API Event Handler Experimental GlobalEventHandlers Property Reference

The oncopy property returns the onCopy event handler code on the current element.

API Event Handler HTMLElement Property Reference Référence

The oncut property returns the onCut event handler code on the current element.

API Event Handler HTMLElement Property Reference Référence

The onpaste property returns the onPaste event handler code on the current element.

API Event Handler HTMLElement Property Reference Référence

KeyboardEvent objects describe a user interaction with the keyboard. Each event describes a key; the event type (keydown, keypress, or keyup) identifies what kind of activity was performed.

API DOM Event Interface Reference UI Events

The MediaStreamTrack.onmute event handler is a property called when the mute event is received. Such an event is sent when the track is temporarily not able to send data.

Event Handler MediaStreamTrack Property Reference Référence WebRTC

The MediaStreamTrack.onoverconstrained event handler is a property called when the overconstrained event is received. Such an event is sent when the track is again able to send data.

API Event Handler Property Reference Référence WebRTC

API Event Handler onshippingaddresschange Payment Request Reference

API Event Handler onshippingoptionchange Payment Request Reference

The ProgressEvent.total read-only property is an unsigned long long representing the total amount of work that the underlying process is in the progress of performing. When downloading a resource using HTTP, this only represent the content itself, not headers and other overhead.

API Progress Event ProgressEvent Property Reference Référence

Event Handler Experimental Expérimental Property RTCPeerConnection WebRTC

In order to provide quality support for touch-based user interfaces, touch events offer the ability to interpret finger (or stylus) activity on touch screens or trackpads.

Advanced DOM Event Guide Mobile Overview

API Deprecated DOM Event Method UIEvent

The WindowEventHandlers.onbeforeunload event handler property contains the code executed when the beforeunload is sent. This event fires when a window is about to unload its resources. The document is still visible and the event is still cancelable.

API DOM Event Handler Property Reference Window

An EventHandler that is called whenever the readyState attribute changes. The callback is called from the user interface thread. The XMLHttpRequest.onreadystatechange property contains the event handler to be called when the readystatechange event is fired, that is every time the readyState property of the XMLHttpRequest changes. The callback is called from the user interface thread.

API Event Handler Property Reference XHR XMLHttpRequest

The XMLHttpRequestEventTarget.onabort is the function called when an XMLHttpRequest transaction is aborted, such as when the XMLHttpRequest.abort() function is called.

API Event Handler Property Reference Web XHMLHttpRequestEventTarget

The XMLHttpRequestEventTarget.onerror is the function called when an XMLHttpRequest transaction fails due to an error.

API Event Handler Property Reference Web XMLHttpRequestEventTarget

The XMLHttpRequestEventTarget.onload is the function called when an XMLHttpRequest transaction completes successfully.

API Event Handler Property Reference Web XMLHttpRequestEventTarget

The XMLHttpRequestEventTarget.onloadstart is the function called when an XMLHttpRequest transaction starts transferring data.

API Event Handler Property Reference Web XMLHttpRequestEventTarget