<%@ page language="java" import= "java.util .*" pageEncoding ="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<script src= "http://www.w3school.com.cn/jquery/jquery-1.11.1.min.js" >
</ script>
<script>
$(document).ready( function(){
$("#btn1").click( function(){
$( "span").before("<b>Before</b>" );
});
$("#btn2").click( function(){
$( "span").after("<i>After</i>" );
});
});
</ script>
</head>
<body>
<span> 的撒啊吃的</span ><br>< br>
<button id= "btn1">在图片前面添加文本 </button>
<button id= "btn2">在图片后面添加文本 </button>
</body>
</html>