<!DOCTYPE=html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
<script src="./jquery-1.8.2.min.js" type="text/javascript"></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:800px' >hello world test DIV
</div>
</div>
</body>
</html>
<script type="text/javascript">
$(function(){
// alert($(document).height());
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(){
alert( $(window).height() );
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());
// alert(srollPos);
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>