<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>无标题文档</title><script> ???function ajax(method, url, date,success){ ???????????????var xhr = null; ???????try{ ???????????xhr = new XMLHttpRequest(); ????????}catch(e){ ???????????xhr = new ActiveXObject(‘Microsoft.XMLHTTP‘); ???????} ???????????????if(method == ‘get‘ && date){ ???????????url += ‘?‘+date; ???????} ???????xhr.open(method,url,true); ???????????????if(method == ‘get‘){ ???????????xhr.send(); ???????}else{ ???????????xhr.setRequestHeader(‘content-type‘,‘application/x-www-form-urlencoded‘); ???????????xhr.send(date); ???????} ???????????????xhr.onreadystatechange = function(){ ???????????if(xhr.readyState == 4){ ???????????????if(xhr.status == 200){ ???????????????????success && success(xhr.responseText); ???????????????}else{ ???????????????????????alert(‘出错了‘+xhr.status); ???????????????} ???????????} ???????} ???} ???????window.onload = function(){ ???????var btn = document.getElementById(‘btn‘); ???????btn.onclick = function(){ ???????????ajax(‘get‘, ‘getNews.php‘, ‘‘,function(date){ ???????????????????var date = JSON.parse(date); ???????????????????var oUl = document.getElementById(‘list‘); ???????????????????var value = ‘‘; ???????????????????for(var i=0;i<date.length;i++){ ???????????????????????value += ‘<li><a href="#">‘+date[i].title+‘</a> <span>‘+date[i].date+‘</span></li>‘ ???????????????????} ???????????????????oUl.innerHTML = value; ???????????}); ???????????var timer = null; ???????????clearInterval(timer); ???????????timer = setInterval(function(){ ???????????????ajax(‘get‘,‘getNews.php‘,‘‘,function(date){ ???????????????????var date = JSON.parse(date); ???????????????????var oUl = document.getElementById(‘list‘); ???????????????????var value = ‘‘; ???????????????????for(var i=0;i<date.length;i++){ ???????????????????????value += ‘<li><a href="#">‘+date[i].title+‘</a> <span>‘+date[i].date+‘</span></li>‘ ???????????????????} ???????????????????oUl.innerHTML = value; ???????????????}); ???????????},3000); ???????}; ???????????};</script></head><body> ???<input type="button" value="按钮" id="btn"/> ???<ul id="list"></ul></body></html><?php ???header(‘content-type:text/html; charset="utf-8"‘); ???error_reporting(0); ???????$news = array( ???????????array(‘title‘=>‘12121212121牌‘,‘date‘=>‘2018-6-8‘), ???????????array(‘title‘=>‘美又打2000亿关税牌‘,‘date‘=>‘2018-6-1‘), ???????????array(‘title‘=>‘北京平均可月省约150‘,‘date‘=>‘2018-6-2‘), ???????????array(‘title‘=>‘个税起征点提至5000‘,‘date‘=>‘2018-6-3‘), ???????????array(‘title‘=>‘美又打2000亿关税‘,‘date‘=>‘2018-6-4‘), ???????????array(‘title‘=>‘哥伦比亚vs日本:J罗‘,‘date‘=>‘2018-6-5‘), ???????????array(‘title‘=>‘北京时间"一粽浓情"活动结束‘,‘date‘=>‘2018-6-6‘), ???????); ???echo json_encode($news);
原生ajax动态添加数据
原文地址：https://www.cnblogs.com/moon-yyl/p/9210788.html