javascript分享到的源码

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title></title>
    <style type="text/css">
        #div1
        {
            width: 150px;
            height: 300px;
            background-color: green;
            position: absolute;
            left: -150px;
        }

            #div1 span
            {
                position: absolute;
                width: 20px;
                height: 60px;
                line-height: 20px;
                background-color: blue;
                right: -20px;
                top: 70px;
            }
    </style>
    <script type="text/javascript">
        var timer;
        window.onload = function () {

            var oDiv = document.getElementById("div1");
            oDiv.onmouseover = function () {
                StartMove(0);
                //StartMove(0,10);
            };
            oDiv.onmouseout = function () {
                //StartMove(-150, -10);
                StartMove(-150);
            };
        };
        //z找出不同的部分，当做参数穿进去
        function StartMove(target) {
            var speed = 0;
            var oDiv = document.getElementById("div1");
            if (oDiv.offsetLeft > target) {
                speed = -10;
            } else {
                speed = 10;
            }
            clearInterval(timer);
            timer = setInterval(function () {
                if (oDiv.offsetLeft == target) {
                    clearInterval(timer);
                } else {
                    oDiv.style.left = oDiv.offsetLeft + speed + "px";
                }
            }, 30);
        };
        //function StartMove2() {
        //    var oDiv = document.getElementById("div1");
        //    clearInterval(timer);
        //    timer = setInterval(function () {
        //        if (oDiv.offsetLeft ==-150) {
        //            clearInterval(timer);
        //        } else {
        //            oDiv.style.left = oDiv.offsetLeft-10 + "px";
        //        }
        //    }, 30);
        //};
    </script>
</head>
<body>
    <div id="div1">
        <span>分享到</span>
    </div>
</body>
</html>