CFC-Website-1.0/Demo.html at master · CrazyForCode/CFC-Website-1.0 · GitHub

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<!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">
        #A {
            width:600px;
            height:600px;
            background-color:#808080;

        }
        #B {
            width:400px;
            height:400px;
            background-color:#ff6a00;
            z-index:100;
            position:absolute;
            top:50%;
            margin-top: -200px;
            margin-left:100px;

        }
        #C{
            width:200px;
            height:200px;
            background-color:#0094ff;
            z-index:110;
            position:absolute;
            top:50%;
            margin-top: -100px;
            margin-left:200px;
        }
    </style>
</head>
<body>
    <div id="CS"></div>
    <div id="CS1"></div>
    <div id="A">
        <div id="B"></div>
        <div id="C"></div>
    </div>
    <script type="text/javascript">
        var CS = document.getElementById("CS");
        var CS1 = document.getElementById("CS1");
        var DA = document.getElementById("A");
        var DB = document.getElementById("B");
        var DC = document.getElementById("C");
        var oldx=0;
        var oldy = 0;
        var ml = 200;
        var mt = -100;
        var mbl = 100;
        var mbt = -200;
        DA.onmousemove = function (e) {
            var x = e.x - DA.offsetLeft;
            var y = e.y - DA.offsetTop;
            CS.innerHTML = DA.offsetLeft + "  " + DA.offsetTop + "    " + e.x + "|" + e.y + " ====== " + x + "  " + y;
            if (x - oldx > 0) {
                ml++;
                mbl+=2;
            }
            else {
                ml--;
                mbl-=2;
            }
            if (y - oldy > 0) {
                mt++;
                mbt += 2;
            }
            else {
                mt--;
                mbt -= 2;
            }
            if (ml > 400) ml = 400;
            if (ml < 0) ml = 0;
            if (mt < -300) mt = -300;
            if (mt > 100) mt = 100;
            if (mbl > 200) mbl = 200;
            if (mbl < 0) mbl = 0;
            if (mbt < -300) mbt = -300;
            if (mbt >0) mbt = 0;
            CS1.innerHTML = " x : " + (x - oldx) + " y : " + (y - oldy);
            DC.style.marginLeft = ml + "px";
            DB.style.marginLeft = mbl + "px";
            DC.style.marginTop = mt + "px";
            DB.style.marginTop = mbt + "px";
            oldy = y;
            oldx = x;
        }
    </script>
</body>
</html>