<!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" />
<title>无标题文档</title>
<style>
 #div1{ width:100px; height:150px; background:#099; position:absolute; left:-100px; top:50%;}
 #div1 span{ width:20px; height:70px; background:#9C3; position:absolute; top:50px; left:100px; cursor:pointer;}
</style>
<script>
window.onload=function(){
var oDiv=document.getElementById('div1');

oDiv.onmouseover=function(){
startMove(0);
}
oDiv.onmouseout=function(){
startMove(-100);
}
}
//创建运动框架
var timer=null;
function startMove(iTarget){//创建目标
var oDiv=document.getElementById('div1');
clearInterval(timer)//关闭定时器
    timer=setInterval(function(){//开启定时器
var speed=0;
if(oDiv.offsetLeft<iTarget){
speed=10;
}else{
speed=-10;
}
if(oDiv.offsetLeft==iTarget){
clearInterval(timer);
}else{
oDiv.style.left=oDiv.offsetLeft+speed+'px';
}
},30)
}
</script>
</head><body>
<div id="div1">
  <span>
   分享到
  </span>
</div>
</body>
</html>

解决方案 »

  1.   

    <!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" />
    <title>无标题文档</title>
    <style>
     #div1{ width:0; height:150px; background:#099; position:absolute; right:0px; top:50%;}
     #div1 span{ width:20px; height:70px; background:#9C3; position:absolute; top:50px; right:0px; cursor:pointer;}
    </style>
    <script>
        window.onload = function () {
            var oDiv = document.getElementById('div1');        oDiv.onmouseover = function () {
                startMove(100);
            }
            oDiv.onmouseout = function () {
                startMove(0);
            }
        }
        //创建运动框架
        var timer = null;
        function startMove(iTarget) {//创建目标
            var oDiv = document.getElementById('div1');
            var sp = document.getElementById('sp1');
            clearInterval(timer)//关闭定时器
            timer = setInterval(function () {//开启定时器
                
                var speed = 0;
                if (iTarget == 100) {
                    speed = 10;
                }
                else {
                    speed = -10;
                }
                
                if (oDiv.offsetWidth == iTarget) {
                    clearInterval(timer);
                } else {
                    sp.style.right = oDiv.offsetWidth + speed + 'px';
                    oDiv.style.width = oDiv.offsetWidth + speed + 'px';            }
            }, 30)
        }
    </script>
    </head><body>
    <div id="div1">
      <span id="sp1">
       分享到
      </span>
    </div>
    </body>
    </html>
      

  2.   

    请问 这个效果当div里面有内容的时候  浏览器底部就会出现滚动条 这要怎么解决啊