水蓝色移动小方块 

<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <style type="text/css">
        #div01{
            width: 100px;
            height:100px;
            background-color: aqua;
            left: 200px;
            top: 200px;
        }
    </style>
    <script type="text/javascript">
        window.onload = function(){
            var div01 = document.getElementById("div01");
            div01.style.position = "absolute";
            document.onmousemove = function(){
                var x = event.clientX;
                var y = event.clientY;

                div01.style.left = x- div01.offsetWidth+"px"
                div01.style.top = y+"px"
            };
        }
    </script>
</head>
<body>
<div id="div01">
</div>
</body>
</html>
posted @ 2018-08-30 19:19  妖灰  阅读(105)  评论(0)    收藏  举报