index.js
<!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>DOM 节点操作</title>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="demo.js"></script>
<link type="text/css" rel="stylesheet" href="style.css" />
</head>
<body>
<div>节点</div>
<strong>DOM</strong>
</body>
</html>
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demo.js
$(function(){
/*
var box = $(‘<div id="box">节点</div>‘);//创建节点
$(‘body‘).append(box);//插入节点
//$(‘div‘).append(‘<strong>DOM</strong>‘);
$(‘div‘).append(function(index,html){//节点的索引，节点的内容
return ‘<strong>DOM</strong>‘+index+html;
});
$(‘strong‘).appendTo(‘div‘);//移入操作，不需要创建节点
//$(‘div‘).prepend(‘<strong>DOM</strong>‘);
$(‘div‘).prepend(function(index,html){//节点的索引，节点的内容
return ‘<strong>DOM</strong>‘+index+html;
});
$(‘strong‘).prependTo(‘div‘);//移入操作，不需要创建节点
$(‘div‘).after(function(index,html){
return ‘<strong>DOM</strong>‘+index+html;
});
$(‘div‘).before(function(index,html){
return ‘<strong>DOM</strong>‘+index+html;
});
*/
//$(‘strong‘).insertAfter(‘div‘);
$(‘strong‘).insertBefore(‘div‘);
});
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原文：http://onestopweb.iteye.com/blog/2224155