日期:2014-05-16 浏览次数:20421 次
<html> <head> <title></title> <script type="text/javascript"> function getHeight(id){ var obj = document.getElementById(id); obj.style.overflow = "scroll"; alert(obj.scrollHeight); obj.style.overflow = "hidden"; } window.onload = function () { getHeight("dh"); alert(document.getElementById('ds').scrollHeight) } </script> <style type="text/css"> .divHidden{ width:100px; height:100px; overflow:hidden; } .divScroll{ width:100px; height:100px; overflow:scroll; } </style> </head> <body> <div id="dh" class="divHidden"> 第一行 dfsadfadf asdf sdf dsfsdfsadfadf asdf sdf dsfsd hasdgjoijgdsgdfsadfadf asdf sdf dsfsdfsadfadf asdf sdf dsfsd hasdgjoijgdsg 最后一行 </div> <input type="button" value="getHiddenHeight" onclick="getHeight('dh')" /> </br> <div id="ds" class="divScroll"> 第一行 dfsadfadf asdf sdffsadfadf asdf sdf dsfsd dsfsd hasdgjoijgdsgdfsadfadf asdf sdf dsfsdfsadfadf asdf sdf dsfsd hasdgjoijgdsg 最后一行 </div> <input type="button" value="getScrollHeight" onclick="alert(document.getElementById('ds').scrollHeight)" /> </body> </html>
function getHeight(id){ var obj = document.getElementById(id); obj.style.overflow = "scroll"; setTimeout(function(){ alert(obj.scrollHeight); obj.style.overflow = "hidden"; }, 50); }