日期:2014-05-16 浏览次数:20530 次
<!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>无标题文档</title>
<style type="text/css">
input:hover{
color:red;
}
</style>
</head>
<body>
<input type="button" id="btn" value="有hover樣式"/>
<script type="text/javascript">
var styleObj= document.styleSheets[0].cssRules[0].style;
styleObj.removeProperty('color');
</script>
</body>
</html>