clone(boolean):克隆
true:把相应的事件一并克隆
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>06_复制节点.html</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<script type="text/javascript" src="./js/jquery-1.8.3.js"></script>
<script type="text/javascript">
$(document).ready(function(){
//点击保存 复制此按钮 将其插入到p元素之后
var $save=$("#save");
$save.click(function(){
var $n=$(this).clone(true);
$("p").after($n);
});
});
</script>
</head>
<body>
<button id="save">保存</button><br>
<p>段落</p>
</body>
<script type="text/javascript">
</script>
</html>