JavaScript onmousemove Event

Definition and Usage

The onmousemove event occurs when the mouse pointer is moved.



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:

onmousemove is, by default, not an event of any object, because mouse movement happens very frequently.

Tips and Notes

Note: Each time a user moves the mouse one pixel, a mousemove event occurs. It takes system resources to process all mousemove events. Use this event carefully!


In the following example we will display an alert box when the user moves the mouse pointer over the image:

<img src="image.gif" alt="1000sourcecodes"
onmousemove="alert('Visit 1000sourcecodes!')" />
JavaScript onmousemove Event Reviewed by 1000sourcecodes on 05:56 Rating: 5
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