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onmouseenter Event

❮ Event Object

Example

Execute a JavaScript when moving the mouse pointer onto an image:

<img onmouseenter="bigImg(this)" src="smiley.gif" alt="Smiley">
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More "Try it Yourself" examples below.


Definition and Usage

The onmouseenter event occurs when the mouse pointer is moved onto an element.

Tip: This event is often used together with the onmouseleave event, which occurs when the mouse pointer is moved out of an element.

Tip: The onmouseenter event is similar to the onmouseover event. The only difference is that the onmouseenter event does not bubble (does not propagate up the document hierarchy). See "More Examples" at the bottom of this page to better understand the differences.


Browser Support

The numbers in the table specify the first browser version that fully supports the event.

Event
onmouseenter 30.0 5.5 Yes 6.1 11.5


Syntax

In HTML:

<element onmouseenter="myScript">
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In JavaScript:

object.onmouseenter = function(){myScript};
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In JavaScript, using the addEventListener() method:

object.addEventListener("mouseenter", myScript);
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Note: The addEventListener() method is not supported in Internet Explorer 8 and earlier versions.


Technical Details

Bubbles: No
Cancelable: No
Event type: MouseEvent
Supported HTML tags: All HTML elements, EXCEPT: <base>, <bdo>, <br>, <head>, <html>, <iframe>, <meta>, <param>, <script>, <style>, and <title>
DOM Version: Level 2 Events

More Examples

Example

This example demonstrates the difference between the onmousemove, onmouseenter and mouseover events:

<div onmousemove="myMoveFunction()">
  <p id="demo">I will demonstrate onmousemove!</p>
</div>

<div onmouseenter="myEnterFunction()">
  <p id="demo2">I will demonstrate onmouseenter!</p>
</div>

<div onmouseover="myOverFunction()">
  <p id="demo3">I will demonstrate onmouseover!</p>
</div>
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❮ Event Object