Standard Event Attributes HTML 4 added the ability to let events trigger actions in a browser, like starting a JavaScript when a user click...
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
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DHTML tutorial.
Below is the standard event attributes that can be inserted into HTML / XHTML elements to define event actions.
<body> and <frameset> Events
The two attributes below can only be used in <body> or <frameset>:
Attribute | Value | Description |
onload | script | Script to be run when a document loads |
onunload | script | Script to be run when a document unloads |
Form Events
The attributes below can be used in form elements:
Attribute | Value | Description |
onchange | script | Script to be run when the element changes |
onsubmit | script | Script to be run when the form is submitted |
onreset | script | Script to be run when the form is reset |
onselect | script | Script to be run when the element is selected |
onblur | script | Script to be run when the element loses focus |
onfocus | script | Script to be run when the element gets focus |
Keyboard Events
Valid in all elements except base, bdo, br, frame, frameset, head, html, iframe, meta, param, script, style, and title.
Attribute | Value | Description |
onkeydown | script | Script to be run when a key is pressed |
onkeypress | script | Script to be run when a key is pressed and released |
onkeyup | script | Script to be run when a key is released |
Mouse Events
Valid in all elements except base, bdo, br, frame, frameset, head, html, iframe, meta, param, script, style, and title.
Attribute | Value | Description |
onclick | script | Script to be run on a mouse click |
ondblclick | script | Script to be run on a mouse double-click |
onmousedown | script | Script to be run when mouse button is pressed |
onmousemove | script | Script to be run when mouse pointer moves |
onmouseover | script | Script to be run when mouse pointer moves over an element |
onmouseout | script | Script to be run when mouse pointer moves out of an element |
onmouseup | script | Script to be run when mouse button is released |