js 入门

来源：互联网发布：淘宝追加好评在哪看编辑：程序博客网时间：2024/04/29 01:49
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html>  <head>    <base href="<%=basePath%>">        <title>My JSP 'index.jsp' starting page</title><meta http-equiv="pragma" content="no-cache"><meta http-equiv="cache-control" content="no-cache"><meta http-equiv="expires" content="0">    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"><meta http-equiv="description" content="This is my page"><!--<link rel="stylesheet" type="text/css" href="styles.css">-->  </head>    <body>    <h1>Snapshots</h1>    <ul>    <li><a href="img/1.jpg" onclick="showPic(this);return false;">fireworks1</a></li>    <li><a href="img/2.jpg" onclick="showPic(this);return false;">fireworks2</a></li>    <li><a href="img/3.jpg" onclick="showPic(this);return false;">fireworks3</a></li>    </ul>    <img id="placeholder" src="img/1.jpg"/>    <script type="text/javascript">    function showPic(whichpic)    {    var source=whichpic.getAttribute("href");    var placeholder=document.getElementById("placeholder");    placeholder.setAttribute("src",source);    }    </script>  </body></html>