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<title>Document</title>
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<style>
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width:150px;
height: 200px;
background-color: green;
position: absolute;
left:-150px;
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#div1 span{
position: absolute;
width: 20px;
height: 60px;
line-h eight:20px ;
background: blue;
right:-20px;
top:70px;
}
</style>
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<span>分享到</span>
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var oDiv=document.getElementById('div1');
oDiv.onmouseover=function(){
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oDiv.style.left=oDiv.offsetLeft+speed+'px';
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