在IE下使用setAttribute方式改变class无效.
<!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>IE下setAttribute('class','')的BUG - haiyang.me</title>
<style type="text/css">
.test {
color: blue;
}
</style>
<script type="text/javascript">
<!--
function doit(){
//Todo
document.getElementById('test').setAttribute('class','test');
}
//-->
</script>
</head>
<body><button type="button" onclick="doit()">doit</button>
<div id="test">This is a test.</div>
</body>
</html>