react-demo/dom-diff.html at master · EvynXu/react-demo · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .node {
            box-sizing: border-box;
            position: absolute;
            border: 1px solid #999;
            text-align: center;
            width: 40px;
            height: 40px;
            top: 70px;
            border-radius: 20px;
        }
        .node:after {
            font-size: 20px;
            font-family: Arial;
            line-height: 40px;
            color: #555;
            content: attr(data-name);
        }
        .node .node:before {
            content: ' ';
            display: block;
            position: absolute;
            width: 1px;
            height: 40.62257748px;
            background-color: #999;
            left: 0px;
            top: 0px;
        }
        .node .node:last-child {
            left: 40px;
        }
        .node .node:last-child:before {
            transform: translate(-2px, -37.31128874px) rotate(-0.51914611rad);
        }
        .node .node:first-child {
            left: -40px;
        }
        .node .node:first-child:before {
            transform: translate(40px, -35.31128874px) rotate(0.51914611rad);
        }
        .R {
            left: 200px;
            top: 100px;
        }

    </style>
</head>
<body>
    <button onclick="render('shape1')">Shape 1</button>
    <button onclick="render('shape2')">Shape 2</button>
    <button onclick="render('shape3')">Shape 3</button>
    <button onclick="render('shape4')">Shape 4</button>
    <button onclick="render('shape5')">Shape 5</button>
    <button onclick="render('shape6')">Shape 6</button>
    <button onclick="render('none')">Clear</button>

    <div id="react-root"></div>

    <script src="./build/dom-diff.js"></script>
</body>
</html>