<!DOCTYPE HTML><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>relative樣式</title><style type="text/css">??????? div {??????????? width: 200px;??????????? height: 200px;??????????? background: red;??????????? opacity: 0.3;??????????? filter:alpha(opacity:30);???float:left;???margin-left:20px;??????? }?????? </style><script type="text/javascript">window.onload=function(){?var oDiv=document.getElementsByTagName("div");?for(var i=0;i<oDiv.length;i++){??var oDiv[i].timer=null;??oDiv[i].onmouseover=function(){???startMove(this,100);??}??oDiv[i].onmouseout=function(){???startMove(this,30);??}?}}var alpha=30;function startMove(obj,b){?clearInterval(obj.timer)obj.timer=setInterval(function(){??????? var a=0;??????? if(alpha>b){??????????? a=-10;??????? } else {??????????? a=10;????????????????????????????????????????????? }??????? if(alpha == b){??????????? clearInterval(obj.timer);??????? } else {??????????? alpha+=a;??????????? obj.style.filter='alpha(opacity:'+alpha+')';??????????? obj.style.opacity=alpha/100;??????? }??? },30);}</script></head><body>?<div id="div1"></div>?<div id="div2"></div>?<div id="div3"></div>?<div id="div4"></div></body></html>?
哪出錯了？
慕先生0450854
2016-07-01 21:50:35
