<script src="__PUBLIC__/Js/jquery.min.js"></script> <script type="text/javascript"> $(document).ready(function(){ findDimensions(); }); function findDimensions(){ var h = document.documentElement.clientHeight-100; $("#Pub_Cen").css("height",h); } window.onresize=findDimensions; </script>
window.onresize=findDimensions; 改变窗口的是后会触发 这个事件原文：http://www.cnblogs.com/wesky/p/3818292.html