通过ajax 获取到url 的html
想要留下 h3 和 p 标签的内容其它不要
怎样做才是最方便的。
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="maximum-scale=1.0,minimum-scale=1.0,user-scalable=0,width=device-width,initial-scale=1.0"/>
<title>title</title>
<link rel="stylesheet" type="text/css" href="../css/a.css"/>
<style>
.list-h3 {
font-size: 20px;
font-weight: normal;
line-height: 30px;
}
p {
margin: 5px 15px 10px;
color: #555;
text-indent: 2em;
font-size: 16px;
line-height: 180%;
}
</style>
</head>
<body>
<h3 class="list-h3">这是标题</h3>
<h5>这是不需要的节点</h5>
<p>这是内容</p>
</body>
<script type="text/javascript" src="../script/a.js"></script>
<script type="text/javascript">
alert(123)
</script>
</html>/{<p.*>(.*)</p>}*|{<h3.*>(.*)</h3>}*/g