在蓝色论坛发现这个，有点看不懂，研究一下先。
测试地址：code
<!--
* { font-size:12px; font-family:Verdana,宋体; }
html { margin:0px; padding:0px; overflow:auto; }
body { margin:0px; padding:15px; background-color:buttonface; }
#w { position:absolute; width:480px; height:270px; overflow:hidden; border:2px groove #281; cursor:default; -moz-user-select:none; }
#t { line-height:20px; height:20px; width:480px; overflow:hidden; background-color:#27C; color:white; font-weight:bold; border-bottom:1px outset blue; text-align:center; }
#winBody { height:248px; width:480px; overflow-x:hidden; overflow-y:auto; border-top:1px inset blue; padding:10px; text-indent:10px; background-color:white; }
-->
<div id="w">
<div id="t">Demo Win - Drag me</div>
<div id="winBody">Hello world</div>
</div>
<script type="text/javascript"><!--mce:0--></script>把js代码单独拿出来，认真看一下就会发现原理很简单，用”()”把函数括起来然后在后面直接加”(参数)”运行函数。
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | (function(o,s,x,y,d){ s = o.style;//id为w的元素直接充当这里的o了 d = document;// o.onselectstart = function(){ return false; }; //阻止选择 o.onmousedown = function(e){ e = e||event; x = e.clientX-o.offsetLeft; y = e.clientY-o.offsetTop; d.onmousemove = function(e){ e = e||event; s.left = e.clientX - x + "px"; s.top = e.clientY - y + "px"; } d.onmouseup = function(){ d.onmouseup = d.onmousemove = ""; } } })(document.getElementById("w")) |
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