<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
<script src="Scripts/jquery-1.8.2.min.js"></script>
<script type ="text/javascript">
$(function () {
$("input[type=button]:eq(0)").click(function () {
$("<a href=‘#‘>insertBefore</a>").insertBefore(this);
});
$("input[type=button]:eq(1)").click(function () {
$("<a href=‘#‘>insertAfter</a>").insertAfter(this);
});
$("input[type=button]:eq(2)").click(function () {
$(this).after("<a href=‘#‘>after</a>");
});
$("input[type=button]:eq(3)").click(function () {
$(this).before("<a href=‘#‘>before</a>");
});
});
</script>
</head>
<body>
<select id="selNation">
<option value ="1">中国</option>
<option value ="2">美国</option>
<option value ="3">德国</option>
</select>
<input type ="button" value="insertBefore"/>
<input type ="button" value="insertAfter"/>
<input type ="button" value="after"/>
<input type ="button" value="before"/>
</body>
</html>
原文：http://www.cnblogs.com/sumg/p/3787773.html