Drag mode frame (2)

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>拖拽效果</title>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
    #div1{
        position: absolute;
        width: 100px;
        height: 100px;
        background-color: pink;
        left: 50px;
        top: 100px;
    }
    </style>
</head>
<body>
    <div id="div1"></div>
</ Body > 
< Script > 
    var DIV1 = document.querySelector ( " # DIV1 " )
     // var 
        
    div1.onmousedown = function (E) {
         var ETO = e.pageY - div1.offsetTop      // mouse distance from the top of the box 
        var ELE = e.pageX - div1.offsetLeft    // mouse position from the left cassette 
        document.onmousemove = function (E) {
            div1.style.left = e.pageX - it + ' px ' 
            div1.style.top = e.pageY - eto + ' px '
        } }
        div1.onmouseup=function(){
        document.onmousemove=null
    }
   
    
</script>
</html>

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Origin www.cnblogs.com/yueranran/p/12176969.html