<%@ 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 ‘test3.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">
-->
<script src="js/jquery-2.1.1.min.js"></script>
<script>
// var obj=new Object();
// obj.name=‘z3‘;
// obj.age=‘21‘;
// alert(obj.name);
// obj.name=‘w5‘;
// alert(obj.name);
//模拟map
//在js对象中key是永远不会重复的
//把数组转换成对象
//把数组中的值变成js对象的key
//将js对象还原成数组
var array=[1,2,3,4,5,6,7,6,5,4];
function toObj(array){
var obj={};
var j=array.length;
for(var i=0;i<j;i++){
obj[array[i]]=true; //重点在于key,value值不重要，随便给一个
}
return obj;
}
function tranToArray(obj){
var array=[];
for(var attr in obj){
if(obj.hasOwnProperty(attr)){
array.push(attr);
}
}
return array;
}
function unique(array){
return tranToArray(toObj(array));
}
alert(array);
alert(unique(array));
</script>
</head>
<body>
This is my JSP page. <br>
</body>
</html>本文出自 “matengbing” 博客，请务必保留此出处http://matengbing.blog.51cto.com/11395502/1878722
原文地址：http://matengbing.blog.51cto.com/11395502/1878722
