有个缝隙怎么办
有个缝隙，谁知道怎么搞的？
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style>
body,div,span{
margin: 0;
padding: 0;
}
#div1{
width: 200px;
height: 200px;
background: red;
position: relative;
left: -200px;
top: 0;
}
#div1 span{
width: 20px;
height: 50px;
background: blue;
position: absolute;
left: 200px;
top: 75px;
}
</style>
<script>
window.onload = function(){
var oDiv = document.getElementById('div1');
oDiv.onmouseover = function(){
startMove(0);
}
oDiv.onmouseout =function(){
startMove(-200);
}
}
var timer = null;
function startMove(iTarget){
clearInterval(timer);
var oDiv =document.getElementById('div1');
timer =setInterval(function(){
var speed =(iTarget-oDiv.offsetLeft)/20;
if(oDiv.offsetLeft==iTarget){
clearInterval(timer);
}
else{
oDiv.style.left = oDiv.offsetLeft+speed+'px';
}
},30)
}
</script>
</head>
<body>
<div id="div1"><span id="share">分享</span></div>
</body>
</html>
