HTML onmouseout Event Attribute - HTML Mouse Events Attribute

The HTML onmouseout event attribute triggers when the mouse pointer moves out of the boundaries of the HTML element to which it is applied. This attribute is typically used to execute a JavaScript function or script when this event occurs, enabling dynamic changes or interactions based on mouse movement.

Example of HTML onmouseout Event Attribute

It will Execute a JavaScript when moving the mouse pointer out of an image.

index.html

Example: HTML

 <img onmouseout="normalImg(this)" src="smiley.gif" alt="Smiley">

Output should be:

Definition and Usage of HTML onmouseout Event Attribute

The onmouseout attribute fires when the mouse pointer moves out of an element.

Tip: The onmouseout attribute is often used together with the onmouseover attribute.

Browser Support of HTML onmouseout Event Attribute

Syntax of HTML onmouseout Event Attribute

<element onmouseout="script">

Attribute Values of HTML onmouseout Event Attribute

Value	Description
script	The script to be run on onmouseout

Technical Details of HTML onmouseout Event Attribute

Supported HTML tags:	All HTML elements, EXCEPT: <base>, <bdo>, <br>, <head>, <html>, <iframe>, <meta>, <param>, <script>, <style>, and <title>

How to Execute a JavaScript when moving the mouse pointer out of an image

The function bigImg() is triggered when the user mouse over the image. This function enlarges the image.

The function normalImg() is triggered when the mouse pointer is moved out of the image. That function sets the height and width of the image back to normal.

index.html

Example: HTML

<!DOCTYPE html>
<html>
<body>

<img onmouseover="bigImg(this)" onmouseout="normalImg(this)" border="0" src="https://horje.com/avatar.png" alt="Smiley" width="32" height="32">

<p>The function bigImg() is triggered when the user mouse over the image. This function enlarges the image.</p>
<p>The function normalImg() is triggered when the mouse pointer is moved out of the image. That function sets the height and width of the image back to normal.</p>

<script>
function bigImg(x) {
  x.style.height = "64px";
  x.style.width = "64px";
}

function normalImg(x) {
  x.style.height = "32px";
  x.style.width = "32px";
}
</script>

</body>
</html>

Output should be:

html event attributes

Type:	Develop
Category:	Web Tutorial
Sub Category:	HTML Mouse Events Attribute
Uploaded by:	Admin

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