HTML and XHTML Event Attributes
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 / 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
|
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