onmouseover Event
 Complete Event Object Reference
Definition and Usage
The onmouseover event occurs when the mouse pointer moves over a
specified object.
Syntax
onmouseover="SomeJavaScriptCode"
|
| Parameter |
Description |
| SomeJavaScriptCode |
Required. Specifies a JavaScript to be executed when the
event occurs. |
Supported by the following HTML tags:
|
<a>, <address>, <area>, <b>, <bdo>, <big>, <blockquote>,
<body>, <button>, <caption>, <cite>, <code>, <dd>, <dfn>, <div>,
<dl>, <dt>, <em>, <fieldset>,
<form>, <h1> to <h6>, <hr>, <i>,
<img>, <input>, <kbd>, <label>, <legend>, <li>,
<map>, <ol>, <p>, <pre>,
<samp>, <select>, <small>, <span>, <strong>, <sub>, <sup>, <table>, <tbody>,
<td>, <textarea>, <tfoot>, <th>, <thead>, <tr>, <tt>, <ul>, <var> |
Supported by the following JavaScript objects:
Example 1
In the following example we will display an alert box when the user moves the
mouse pointer over the image:
<img src="image_w3default.gif" alt="W3Schools"
onmouseover="alert('Visit W3Schools!')" />
|
The output of the code above will be:
Example 2
In the following example we will add an image that should act as a link button on
a web page. We will then add an onMouseOver event and an onMouseOut event that
will run two JavaScript functions that will change between two images:
<html>
<head>
<script type="text/javascript">
function mouseOver()
{
document.b1.src ="b_blue.gif"
}
function mouseOut()
{
document.b1.src ="b_pink.gif"
}
</script>
</head>
<body>
<a href="http://www.w3schools.com" target="_blank"
onmouseover="mouseOver()"
onmouseout="mouseOut()">
<img border="0" alt="Visit W3Schools!"
src="b_pink.gif" name="b1" /></a>
</body>
</html>
|
The output of the code above will be:
Try-It-Yourself Demos
onmouseover
How to use onmouseover.
Complete Event Object Reference
 |
|
Get Your Diploma!
W3Schools' Online Certification Program is the perfect solution for busy
professionals who need to balance work, family, and career building.
The HTML Certificate is for developers who want to document their knowledge of HTML, XHTML, and CSS.
The JavaScript Certificate is for developers who want to document their knowledge of JavaScript and the HTML DOM.
The XML Certificate is for developers who want to document their knowledge of XML, XML DOM and XSLT.
The ASP Certificate is for developers who want to document their knowledge of ASP, SQL, and ADO.
|
|
HOME
Printer friendly page
