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<!doctype html>
<html>
<head>
<title>js来绘制圆形和矩形</title>
<style>
*{margin:0; padding:0;}
#div{position:absolute; background:#ccc;}
.sel{ margin:30px auto; width:960px; overflow:hidden}
li{ list-style:none; float:left; width:60px; height:20px;}
#colors{ width:500px; float:left}
.selColor{ float:left}
#radius{ width:40px; height:20px;}
.red{background:red;}
.yellow{background:yellow;}
.blue{background:blue;}
CSS代码...
JS代码...
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