HTML onmouseover Event Attribute
Example
Execute a JavaScript when moving the mouse pointer over an image:
<img onmouseover="bigImg(this)" src="smiley.gif" alt="Smiley">
Try it yourself »
Definition and Usage
The onmouseover attribute fires when the mouse pointer moves over an element.
Tip: The onmouseover attribute is often used together with the onmouseout attribute.
Browser Support
| Event Attribute | |||||
|---|---|---|---|---|---|
| onmouseover | Yes | Yes | Yes | Yes | Yes |
Differences Between HTML 4.01 and HTML5
None.
Syntax
<element onmouseover="script">
Attribute Values
| Value | Description |
|---|---|
| script | The script to be run on onmouseover |
Technical Details
| Supported HTML tags: | All HTML elements, EXCEPT: <base>, <bdo>, <br>, <head>, <html>, <iframe>, <meta>, <param>, <script>, <style>, and <title> |
|---|
Related Pages
HTML DOM reference: onmouseover event
HTML Event Attributes
