<!DOCTYPE html> <html> <head> <script src="js/jquery.js" type="text/javascript"></script> <script type="text/javascript"> $(document).ready(function(){ var range = 50; //距下边界长度/单位px var elemt = 500; //插入元素高度/单位px var maxnum = 20; //设置加载最多次数 var num = 1; var totalheight = 0; var main = $("#content"); //主体元素 $(window).scroll(function(){ var srollPos = $(window).scrollTop(); //滚动条距顶部距离(页面超出窗口的高度) //console.log("滚动条到顶部的垂直高度: "+$(document).scrollTop()); //console.log("页面的文档高度 ："+$(document).height()); //console.log('浏览器的高度：'+$(window).height()); totalheight = parseFloat($(window).height()) + parseFloat(srollPos); if(($(document).height()-range) <= totalheight && num != maxnum) { main.append("<div style='border:1px solid tomato;margin-top:20px;color:#ac"+(num%20)+(num%20)+";height:"+elemt+"' >hello world"+srollPos+"---"+num+"</div>"); num++; } }); }); </script> </head> <body> <div id="content" style="height:960px"> <div id="follow">this is a scroll test;<br/> 页面下拉自动加载内容</div> <div style='border:1px solid tomato;margin-top:20px;color:#ac1;height:800' >hello world test DIV</div> </div> </body> </html>