JavaScript Event Reference
Events are normally used in combination with functions, and the function will
not be executed before the event occurs!
Event Handlers
New to HTML 4.0 was 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 the attributes that can be inserted into HTML tags to define event
actions.
FF: Firefox, N: Netscape, IE: Internet Explorer
| Attribute |
The event occurs when... |
FF |
N |
IE |
| onabort |
Loading of an image is interrupted |
1 |
3 |
4 |
| onblur |
An element loses focus |
1 |
2 |
3 |
| onchange |
The user changes the content of a field |
1 |
2 |
3 |
| onclick |
Mouse clicks an object |
1 |
2 |
3 |
| ondblclick |
Mouse double-clicks an object |
1 |
4 |
4 |
| onerror |
An error occurs when loading a document or an image |
1 |
3 |
4 |
| onfocus |
An element gets focus |
1 |
2 |
3 |
| onkeydown |
A keyboard key is pressed |
1 |
4 |
3 |
| onkeypress |
A keyboard key is pressed or held down |
1 |
4 |
3 |
| onkeyup |
A keyboard key is released |
1 |
4 |
3 |
| onload |
A page or an image is finished loading |
1 |
2 |
3 |
| onmousedown |
A mouse button is pressed |
1 |
4 |
4 |
| onmousemove |
The mouse is moved |
1 |
6 |
3 |
| onmouseout |
The mouse is moved off an element |
1 |
4 |
4 |
| onmouseover |
The mouse is moved over an element |
1 |
2 |
3 |
| onmouseup |
A mouse button is released |
1 |
4 |
4 |
| onreset |
The reset button is clicked |
1 |
3 |
4 |
| onresize |
A window or frame is resized |
1 |
4 |
4 |
| onselect |
Text is selected |
1 |
2 |
3 |
| onsubmit |
The submit button is clicked |
1 |
2 |
3 |
| onunload |
The user exits the page |
1 |
2 |
3 |
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