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為什么鼠標移開的時候不能回移?

為什么鼠標移開的時候不能回移?

qq_吃藥先森_03169839 2016-05-06 15:26:26
<!DOCTYPE?html?PUBLIC?"-//W3C//DTD?XHTML?1.0?Transitional//EN"?"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html?xmlns="http://www.w3.org/1999/xhtml"> <head> <meta?http-equiv="Content-Type"?content="text/html;?charset=utf-8"?/> <style?type="text/css"> all{?margin:0;?padding:0;} div{?background-color:red;?width:200px;?height:300px;?left:-200px;?position:relative;} span{?background-color:blue;width:20px;?height:40px;?position:absolute;left:200px;?color:#FFF;?top:75px;} </style> <script> window.onload=function(){ ????var?timer=null, ????????a=document.getElementById('a'); ???? ????a.onmouseover=function(){ ????????Move(0); ????} ????a.onmouseout=function(){ ????????Move(-200); ????????} ????function?Move(num){ ????????clearInterval(timer); ????????a=document.getElementById('a'); ????????if(a.offsetLeft<num){ ????????timer=setInterval(function(){ ????????????if(a.offsetLeft?>=?num) ????????????{ ????????????????clearInterval(timer); ???????????? ????????????} ????????????else{ ????????????????a.style.left=a.offsetLeft+?1?+'px'; ????????????????} ????????????},30); ????????} ????????else?if(a.offsetLeft>num){ ????????????timer=setInterval(function(){ ????????????if(a.offsetLeft?==?num) ????????????{ ????????????????clearInterval(timer); ???????????? ????????????} ????????????else{ ????????????????a.style.left=a.offsetLeft-?1?+'px'; ????????????????} ????????????},30);} ????} } </script> <title>無標題文檔</title> </head> <div?id="a"><span?id="box">分享</span></div> <body> </body> </html>
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?
qq_青棗工作室_0

TA貢獻446條經(jīng)驗 獲得超754個贊

div{?background-color:red;?width:200px;?height:300px;?left:-200px;?position:relative;}

這里的?position:relative 要改為?position:absolute;

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