<!DOCTYPE HTML><html><head><meta charset="utf-8"><style type="text/css">#div1{width:200px;height:200px;background-color:red;position:relative;left:-200px;top:0px;}#share{width:20px;height:50px;background-color:blue;position:absolute;left:200px;top:50px;}</style><script > window.onload=function(){ var oDiv=document.getElementById("div1"); oDiv.onmouseover=function(){ startMove(); }} var timer=null; function startMove(){ var oDiv=document.getElementById("div1"); timer=setInterval(function(){ if(oDiv.offsetLeft==0) { clearInterval(timer); } else{ oDiv.style.left=oDiv.offsetLeft+10+"px"; } },30) }</script></head><body><div id="div1"><span id="share">点击</span></div></body></html>
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