JS-鼠标跟随块(一个小圆点跟着鼠标跑)

 1 <!DOCTYPE html>
 2 <html>
 3 
 4     <head>
 5         <meta charset="UTF-8">
 6         <title></title>
 7         <meta name="author" content="郭菊锋/702004176@qq.com"/>
 8         <style type="text/css">
 9             .div {
10                 display: none;
11                 position: absolute;
12                 width: 30px;
13                 height: 30px;
14                 margin: -15px 0 0 -15px;
15                 background: rgba(37, 0, 255, 0.3);
16                 -webkit-border-radius: 50%;
17                 -moz-border-radius: 50%;
18                 border-radius: 50%;
19             }
20         </style>
21     </head>
22 
23     <body>
24         <div id="div" class="div">
25         </div>
26     </body>
27 
28 </html>
29 <script type="text/javascript">
30     window.onload = function() {
31         var oDiv = document.getElementById("div");
32         window.onmousemove = function(ev) {
33             var ev = ev || window.event;
34             var ofLeft = document.documentElement.offsetLeft || document.body.offsetLeft;
35             var ofTop = document.documentElement.offsetTop || document.body.offsetTop;
36             var oLeft = ev.clientX + ofLeft;
37             var oTop = ev.clientY + ofTop;
38             oDiv.style.display = "block";
39             oDiv.style.left = oLeft + "px";
40             oDiv.style.top = oTop + "px";
41         }
42 
43     }
44 </script>

 

posted @ 2017-05-02 17:17  xing.org1^  阅读(1078)  评论(0编辑  收藏  举报