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HTML 5 Event Attributes

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Standard Event Attributes

HTML 4 added the ability to let events trigger actions in a browser, like starting a JavaScript when a user clicks on an element.

To learn more about programming events, please visit our JavaScript tutorial and our DHTML tutorial.

Below is the standard event attributes that can be inserted into HTML 5 elements to define event actions.


Differences Between HTML 4.01 and HTML 5

New event attributes in HTML 5: onabort, onbeforeunload, oncontextmenu, ondrag, ondragend, ondragenter, ondragleave, ondragover, ondragstart, ondrop, onerror, onmessage, onmousewheel, onresize, onscroll, and onunload.

HTML 4.01 event attributes which are no longer supported: onreset.


Event Attributes

Attribute Value Description 4 5
onabort script  Script to be run on an abort event   5
onbeforeonload script  Script to be run before an element is loaded   5
onblur script  Script to be run when the element loses focus 4 5
onchange script Script to be run when the element changes 4 5
onclick script  Script to be run on a mouse click 4 5
oncontextmenu script  Script to be run when a context menu is triggered   5
ondblclick script  Script to be run on a mouse double-click 4 5
ondrag script  Script to be run when an element is dragged   5
ondragend script  Script to be run at the end of a drag operation   5
ondragenter script  Script to be run when an element has been dragged to a valid drop target   5
ondragleave script  Script to be run when an element leaves a valid drop target   5
ondragover script  Script to be run when an element is being dragged over a valid drop target   5
ondragstart script  Script to be run at the start of a drag operation   5
ondrop script  Script to be run when dragged element is being dropped   5
onerror script  Script to be run when an error occur during the loading of an element   5
onfocus script  Script to be run when the element gets focus 4 5
onkeydown script  Script to be run when key is pressed 4 5
onkeypress script  Script to be run when key is pressed and released 4 5
onkeyup script  Script to be run when key is released 4 5
onload script Script to be run when a document loads 4 5
onmessage script  Script to be run when the message event is being triggered   5
onmousedown script  Script to be run when a mouse button is pressed 4 5
onmousemove script  Script to be run when the mouse pointer moves 4 5
onmouseover script Script to be run when the mouse pointer moves over an element 4 5
onmouseout script Script to be run when the mouse pointer moves out of an element 4 5
onmouseup script  Script to be run when a mouse button is released 4 5
onmousewheel script  Script to be run when the mouse wheel is being rotated   5
onreset script  Script to be run when the form is reset. Not supported 4  
onresize script  Script to be run when the element is being resized   5
onscroll script  Script to be run when the element's scrollbar is scrolled   5
onselect script  Script to be run when the element is selected 4 5
onsubmit script Script to be run when the form is submitted 4 5
onunload script Script to be run when a document unloads   5


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From http://www.w3schools.com (Copyright Refsnes Data)