jquery中的节点操作
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>16-节点操作
</title>
<script type="text/javascript" src="js/jquery-1.12.4.min.js"></script>
<script type="text/javascript">
$(function(){
var $span = $('<span>span元素</span>');
var $p = $('<p>这是段落元素P</p>')
var $h = $('<h4>这是页面标题</h4>')
$('#div1').append($span);
$('#div1').append($p);
$('#div1').before($h);
$p.remove();
})
</script>
<style type="text/css">
#div1{
width: 200px;
height: 200px;
background-color: pink;
margin: 100px auto 0;
}
</style>
</head>
<body>
<div id="div1">这是一个div元素
</div>
</body>
</html>
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