getStyle()，修改样式属性

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
</head>

<body>
<style>
#div{ width:100px; height:100px; background-color:#F00}
</style>
<div id="div"></div>
<script>
var obj = document.getElementById('div')
alert(getStyle(obj, 'backgroundColor'));

function getStyle(obj, name)
{
if(obj.currentStyle)
{
return obj.currentStyle[name];
}
else
{
return getComputedStyle(obj,false)[name];
}
}
</script>
</body>
</html>

getStyle()，修改样式属性

getstyle(element,Attribute[name])

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