摘要：
[css]#box { width:150px; border:1px solid red;}#box:after{ content:"\20"; display:block; height:0; clear:both;}#innerFloat{ float:left; width:100px; height:100px; margin:0 0 0 50px; background:gray; /... 阅读全文
摘要：
[css]#floatholder { position: absolute; left: 30px; top: 5em; border: 4px solid; width: 240px; background: #ec8;}#floatbox { float: left; width: 65px; height: 25em; border: 6px solid #68f; color: #46d... 阅读全文
摘要：
先看一段代码。[html] [/html][javascript]function addEvent(el,type,fn,useCapture){ if(window.addEventListener){ el.addEventListener(type,fn,useCapture); }else if(window.attachEvent){ el.attachEvent... 阅读全文