http://jsbin.com/oleyac/2/edit
<!DOCTYPE> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <title>131游戏之家</title> <style> body{ margin:0; padding:0; font:12px/24px "microsoft yahei"; } h1,h2,h3,h4,h5,h6{ padding: 0; margin:0; } ul,li{ padding:0; margin:0; list-style:none; } img{border:none} .channel{ float:left; margin-bottom:10px; width:1000px; } .channel .title{ border-bottom:3px solid #2497d7; color:#2497d7; width:100%; } .topImg{ padding:0; position:relative; width:980px; overflow:hidden; z-index:1; } .topImg ul{ overflow: hidden; position:relative; z-index:1; } .topImg li{ display:inline; float: left; margin-right:8px; width:180px; height:300px; border:5px solid #0f1d2b; overflow:hidden; position:static; } .topImg li.last{ margin-right:0; } a.hg{ display:block; position:absolute; left:0; top:0; z-index: 2; width:0; height:310px; overflow:hidden; } div.hg{ width:190px; height:320px; position:absolute; overflow:hidden; background:#fff; left:0; top:-320px; z-index:3; } </style> </head> <body> <div class="channel"> <div class="title"><h2>今日重点</h2></div> <div class="topImg"> <ul id="ul1"> <li> <a href=""><img src="http://res.files.131.com/channel/131com_2013/images/index02.jpg"></a> <div class="hg"> <h3>腾讯光速工作室精心研发的Q版iOS手游《斗三国》,是一款SLG&RPG类的移动终端网络游戏。</h3> <p>腾讯光速工作室精心研发的Q版iOS手游《斗三国》,是一款SLG&RPG类的移动终端网络游戏。游戏以三国题材为背景,打造出数百人军团实时冲锋对阵的战场核心玩法,为玩家带来流畅、激烈、爽快的触摸战斗新体验。</p> </div> </li> <li> <a href=""><img src="http://res.files.131.com/channel/131com_2013/images/index02.jpg"></a> <a href="" class="hg"><img src="http://res.files.131.com/channel/131com_2013/images/c15.jpg"></a> </li> <li> <a href=""><img src="http://res.files.131.com/channel/131com_2013/images/index02.jpg"></a> <div class="hg"> <h3>腾讯光速工作室精心研发的Q版iOS手游《斗三国》,是一款SLG&RPG类的移动终端网络游戏。</h3> <p>腾讯光速工作室精心研发的Q版iOS手游《斗三国》,是一款SLG&RPG类的移动终端网络游戏。游戏以三国题材为背景,打造出数百人军团实时冲锋对阵的战场核心玩法,为玩家带来流畅、激烈、爽快的触摸战斗新体验。</p> </div> </li> <li> <a href=""><img src="http://res.files.131.com/channel/131com_2013/images/index02.jpg"></a> <a href="" class="hg"><img src="http://res.files.131.com/channel/131com_2013/images/c15.jpg"></a> </li> </ul> </div> </div> <script type="text/javascript"> window.onload=function(){ var aUl=document.getElementById('ul1'); var aLi=aUl.getElementsByTagName('li'); var hg=getByClass(aUl,'hg'); var oneHeight=aLi[0].offsetHeight+10; var oneWidth=hg[0].offsetHeight; var i=0; var iNow=0; var timer=null; for(i=0; i<aLi.length;i++){ aLi[i].aMove=null; aLi[i].timer=null; aLi[i].aOff=true; aLi[i].index=i; hg[i].style.width='auto'; aLi[i].bTarge=hg[i].offsetWidth; hg[i].style.width=0; aLi[i].onmouseover=function(){ //移 入 var Img=this.getElementsByTagName('img'); iNow=this.index; if(Img.length>1){ clearInterval(this.aMove); if(this.aOff){ this.aOff=false; startMove(hg[iNow],{width:990}); this.aOff=true; } }else{ clearInterval(this.aMove); if(this.aOff){ this.aOff=false; this.style.position='relative'; hg[iNow].style.width='190px'; hg[iNow].style.backgroundColor='#fff'; startMove(hg[iNow],{top:0}); this.aOff=true; } } }; aLi[i].onmouseout=function(){ //移 出 var Img=this.getElementsByTagName('img'); iNow=this.index; if(Img.length>1){ startMove(hg[iNow],{width:0}); }else{ startMove(hg[iNow],{top:-oneHeight},function(){ aLi[iNow].style.position='static'; hg[iNow].style.width='0'; }); } }; }; }; function getByClass(elem,cls){ //通过类名获取元素 var aEle=elem.getElementsByTagName('*'); var reClass=new RegExp(''+cls+''); var aResult=[]; for(var i=0;i<aEle.length;i++){ if(reClass.test(aEle[i].className)){ aResult.push(aEle[i]); } } return aResult; } function getStyle(obj,attr){ //获取元素样式 return obj.currentStyle?obj.currentStyle[attr]:getComputedStyle(obj,false)[attr]; } function startMove(obj,json,fn){ //运动框架 var timer=obj.timer; clearInterval(obj.timer); obj.timer=setInterval(function(){ var iFog=true; for(var attr in json){ //1.取值 var iCur=0; if(attr=='opacity'){ if(Math.round(parseFloat(getStyle(obj,attr))*100)==0){ iCur=Math.round(parseFloat(getStyle(obj,attr))*100); }else{ iCur=Math.round(parseFloat(getStyle(obj,attr))*100)||100; } }else{ iCur=parseInt(getStyle(obj,attr))||0; } //2.计算速度 var iSpeed=(json[attr]-iCur)/4; iSpeed=iSpeed>0?Math.ceil(iSpeed):Math.floor(iSpeed); //3.检测值是否达到目标值 if(iCur!=json[attr]){ iFog=false; } if(attr=='opacity'){ obj.style.opacity=(iCur+iSpeed)/100; obj.style.filter='alpha(opacity:'+(iCur+iSpeed)+')'; }else{ obj.style[attr]=iCur+iSpeed+'px'; } if(iFog){ clearInterval(obj.timer); if(fn)fn(); } } },30) } </script> </body> </html>
楼主视力太好了
我和我的小伙伴都同意你的看法
那个事件执行了两次
噢噢,怎么解决才好