<!DOCTYPE=html>

<html>

<head>

<script src="js/jquery.js" type="text/javascript"></script>

   <script type="text/javascript">

    $(document).ready(function(){

        var range = 50;             //距下邊界長度/單位px

        var elemt = 500;           //插入元素高度/單位px

        var maxnum = 20;            //設(shè)置加載最多次數(shù)

        var num = 1;

        var totalheight = 0; 

        var main = $("#content");                     //主體元素

        $(window).scroll(function(){

            var srollPos = $(window).scrollTop();    //滾動條距頂部距離(頁面超出窗口的高度)

            //console.log("滾動條到頂部的垂直高度: "+$(document).scrollTop());

            //console.log("頁面的文檔高度 ："+$(document).height());

            //console.log('瀏覽器的高度：'+$(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/>    頁面下拉自動加載內(nèi)容</div>

        <div style='border:1px solid tomato;margin-top:20px;color:#ac1;height:800' >hello world test DIV</div>

    </div>

</body>

</html>