<html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title>拉动滚动条加载数据</title> <script src="Scripts/jquery-1.4.1.min.js" type="text/javascript"></script> <script type="text/javascript"> $(function () { var i = 4;$(window).bind("scroll", function (event) { //滚动条到网页头部的 高度，兼容ie,ff,chrome var top = document.documentElement.scrollTop + document.body.scrollTop; //网页的高度 var textheight = $(document).height(); // 网页高度-top-当前窗口高度 if (textheight - top - $(window).height() <= 100) { if (i >= 100) { return; //控制最大只能加载到100 } $('#div1').css("height", $(document).height() + 100);i++; //可以根据实际情况，获取动态数据加载 到 div1中 $('<div>' + i + '</div>').appendTo($('#div1')); } }); }) </script> <style> #div1 div { font-size: 100px; background: #ccc; margin-top: 5px; } </style> </head> <body> <form id="form1" runat="server"> <div style="height: 1000px;" id="div1"> <div> 1</div> <div> 2</div> <div> 3</div> <div> 4</div> </div> </form> </body> </html>