HTML 4.0 Event Attributes
New to HTML 4.0 is the ability to let HTML events trigger actions in the browser,
like starting a JavaScript when a user clicks on an HTML element.
| Below is a list
of attributes that can be inserted into HTML tags to define event actions.
|
Window Events
|
| Only valid in body and frameset elements.
|
| Attribute |
Value |
Description |
| onload |
script |
Script to be run when a document loads |
| onunload |
script |
Script to be run when a document unloads |
|
Form Element Events
|
| Only valid 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
|
| Not valid in base, bdo, br, frame, frameset, head, HTML, iframe, meta,
param, script, style, and title elements.
|
| Attribute |
Value |
Description |
| onkeydown |
script |
What to do when key is pressed |
| onkeypress |
script |
What to do when key is pressed and released |
| onkeyup |
script |
What to do when key is released |
|
Mouse Events
|
| Not valid in base, bdo, br, frame, frameset,
head, HTML, iframe, meta, param, script, style, title elements.
|
| Attribute |
Value |
Description |
| onclick |
script |
What to do on a mouse click |
| ondblclick |
script |
What to do on a mouse double-click |
| onmousedown |
script |
What to do when mouse button is pressed |
| onmousemove |
script |
What to do when mouse pointer moves |
| onmouseout |
script |
What to do when mouse pointer moves out of an element |
| onmouseover |
script |
What to do when mouse pointer moves over an element |
| onmouseup |
script |
What to do when mouse button is released |
|