color on a div tag 100points, simple

I have a simple div tag that makes a black square on the screen... How would I make it so that when I mouse over it changes to a different color
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puottaAuthor Commented:
<div style="position: absolute; left: 100px; top: 30px; width: 45px; height: 45px; background-color: rgb(0, 0, 0);"></div>
<div style="background-color: black" onmouseover=" 'red'">


<div style="position: absolute; left: 100px; top: 30px; width: 45px; height: 45px; background-color: rgb(0, 0, 0);" onmouseover=" = rgb(255,255,255)"></div>

To change it back, use onmouseout

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When you are planning to do more that just the backgroundcolor it could be wise just to use classed. This keeps things orderly also, and shortens the javascript onmouse.. in your html:

<style type="text/css">
.divNormal {background-color:black;}
.divHover   {background-color:red;}

<div class="divNormal" onmouseover="this.className='divHover';" onmouseout="this.className='divNormal';">

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