kindring
/
md


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            font-size: 0
        }
        
        .i {
            width: 200px;
            height: 200px;
            /* border: 1px solid orangered; */
            background-color: #000;
            /* float: left; */
            margin: 0;
            border: 0
        }
        
        .div {
            margin: 200px;
            width: 200px;
            padding: 100px;
            border: 1px solid black;
            position: relative;
        }
        
        .div2 {
            margin: 200px;
            width: 200px;
            padding: 100px;
            border: 1px solid black;
            float: left;
        }
    </style>
</head>

<body>
    <video src="./1.mp4" width="500" height="500" controls></video>
    <img src="./1_answer_a.png" alt="" class="i">
    <div class="div2">
        <div class="div">

            <div class="div">

                <img src="./1_answer_b.png" alt="" class="i" onclick="drag()">
            </div>
        </div>
    </div>
    <div class="div2">

        <div class="div2">

            <div class="div2">

                <img src="./1_answer_b.png" alt="" class="i" onclick="drag()">
            </div>
        </div>
    </div>
</body>
<script>
    function drag(e) {
        e = e || window.event;
        console.log(e.target);
        console.log(e.target.offsetLeft);
        console.log(getOffsetLeft(e.target));
    }

    function getOffsetLeft(obj) {
        let tmp = obj.offsetLeft;
        let val = obj.offsetParent;
        while (val != null) {
            tmp += val.offsetLeft;
            val = val.offsetParent;
        }
        return tmp;
    };

    let arr = [
            [0, 1, 1],
            [1, 1, 0],
            [1, 0, 0]
        ]
        [
            [1, null, null],
            [0, 0, 1],
            [1, null, null]
        ]
        [
            [1, 0, 1],
            [1, 0, 1],
            [0, 1, 0]
        ]

    function isOk(arr) {
        let total = 0
        for (var i = 0; i < arr.length; i++) {
            // if(){

            // }
            total += i;
        }
        console.log(i)
    }
</script>

</html>