<!DOCTYPE html><html lang="zh"><head> ???<meta charset="UTF-8" /> ???<meta name="viewport" content="width=device-width, initial-scale=1.0" /> ???<meta http-equiv="X-UA-Compatible" content="ie=edge" /> ???<title>Document</title></head><body> ???<div id="nr"> ???????????</div></body></html><script type="text/javascript"> ???//1、初始化xml http request对象 ???if(window.XMLHttpRequest){ ???????var xml = new XMLHttpRequest(); ???}else{ ???????var xml = new ActiveXObject(‘Microso.XMLHTTP‘); ???????//针对IE5/IE6浏览器 ???} ???var attr = [1,2,3]; ???//2、发送请求 ???//get方式发送 ???//xml.open("GET","chuli.php?fname="+attr,true); ???//传递的变量写到url地址 ???//xml.send(); ???//post方式发送 ???xml.open("POST","chuli.php",true); ???xml.setRequestHeader("Content-type","application/x-www-form-urlencode"); ???xml.send("fname="+attr); ???//3、接受返回值 ???xml.onreadystatechange=function(){ ???????if(xml.readyState==4 && xml.status==200){ ???????????var str=xml.responseText; ???????????//以字符串形式传回，所以处理页面也要把数据整合成字符串 ???????????console.log(str); ???????} ???????document.getElementById("nr").innerHTML=str; ???}</script>0715JS基础：ajax
原文地址：https://www.cnblogs.com/zhangbaozhong/p/9315264.html