<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2 <html xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <title>jquery动态改变div宽度和高度-柯乐义</title> 5 <script type="text/javascript" src="http://keleyi.com/keleyi/pmedia/jquery/jquery-1.11.2.min.js"></script> 6 </head> 7 <body> 8 <div> 9 <input id="addwidthkeleyi" value="增加宽度" type="button" /> 10 <input id="reducewidthkeleyi" value="减少宽度" type="button" /> 11 <input id="addheightkeleyi" value="增加高度" type="button" /> 12 <input id="reduceheightkeleyi" value="减少高度" type="button" /> 13 <a href="http://keleyi.com/a/bjad/tar6g4m7.htm" target="_blank">原文</a> <a href="http://keleyi.com/">首页</a> <a href="http://keleyi.com/keleyi/phtml/">特效库</a> 点击按钮,注意下方div宽高的变化</div> 14 <div style="border:1px solid #999;200px;height:200px" id="keleyidiv"></div> 15 <script type="text/javascript"> 16 $("#addwidthke"+"leyi").on("click", function () { 17 $("#keleyidiv").width($("#keley" + "idiv").width() + 50); 18 }); 19 $("#reducewidthk" + "eleyi").on("click", function () { 20 $("#keleyidiv").width($("#kel"+"eyidiv").width() - 50); 21 }); 22 $("#addheightkele" + "yi").on("click", function () { 23 $("#kel" + "eyidiv").height($("#keleyidiv").height() + 50); 24 }); 25 $("#reduceheightkeley" + "i").on("click", function () { 26 $("#keleyidiv").height($("#keleyidiv").height() - 50); 27 }); 28 </script> 29 </body> 30 </html>