数组去重

来源:互联网 发布:java中insert 运算 编辑:程序博客网 时间:2024/04/29 06:01
<%@ page language="java" contentType="text/html; charset=UTF-8"pageEncoding="UTF-8"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Insert title here</title><script type="text/javascript">function unique(data) {data = data || [];var a = {};for ( var i = 0; i < data.length; i++) {var v = data[i];//用下标去重if (typeof (a[v]) == 'undefined') {a[v] = 1;}};data.length = 0;//遍历数组for ( var i in a) {data[data.length] = i;}return data;}function test() {var arr = [ 1, 4, 1, 1, 1, 3, 3, 4, 6, 7, 8, 7, 0, 11, 22, 22 ];var arr1 = unique(arr);alert(arr1.join(","));}test();</script></head><body>  It's a kyle-test.</body></html>

 


 

原创粉丝点击