HTML onmouseover Attribute
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.
Applies to
The onmouseover attribute is part of the Event Attributes, and can be used on any HTML elements.
| Elements | Event |
|---|---|
| All HTML elements | onmouseover |
Example
Img Example
Execute a JavaScript when moving the mouse pointer over an image:
<img onmouseover="bigImg(this)" src="smiley.gif" alt="Smiley">
Try it Yourself »
Browser Support
| Event Attribute | |||||
|---|---|---|---|---|---|
| onmouseover | Yes | Yes | Yes | Yes | Yes |

