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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <title>Document</title>
- <style>
- .box{
- width: 100px;
- height: 100px;
- background: red;
- position: absolute;
- top:200px;
- left: 400px;
- }
- </style>
- </head>
- <body>
- <div class="box"></div>
- <script>
- var oDom = document.documentElement;
- var oBox = document.getElementsByClassName("box")[0];
- oDom.onmousemove = function(e){
- console.log(e.clientX,e.clientY);
- console.log(oBox.offsetLeft,oBox.offsetTop);
- }
- oDom.onmousedown = function(e){
- oDom.onmousemove = null;
- }
- </script>
- </body>
- </html>
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