js实现网站首页分享滑块

<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>Document</title>
</head>
<style>
#div1{
width:150px;
height: 200px;
background-color: green;
position: absolute;
left:-150px; }
#div1 span{
position: absolute;
width: 20px;
height: 60px;
line-h eight:20px ;
background: blue;
right:-20px;
top:70px;
}
</style>
<body>
<div id="div1" > <span>分享到</span>
</div> </body>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript">
window.onload=function(){
var oDiv=document.getElementById('div1');
oDiv.onmouseover=function(){
startMove();
}
oDiv.onmouseout=function(){
startMove(-);
}
}
var timer=null;
function startMove(iTarget){
var oDiv=document.getElementById('div1');
clearInterval(timer);
timer=setInterval(function(){
var speed=;
if(oDiv.offsetLeft>iTarget){
speed=-;
}else{
speed=;
}
if(oDiv.offsetLeft==iTarget){
clearInterval(timer);
}else{
oDiv.style.left=oDiv.offsetLeft+speed+'px';
}
},);
} </script>
</html>
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