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kit_admin
/
test1.html

<!DOCTYPE html>
<html>

<head>
    <meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
    <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no">
    <title>html5+ js +css3 点击后水波纹扩散效果 兼容移动端-幸凡学习网</title>

    <style>
        body {
            margin: 0;
            padding: 0;
        }

        .center {
            text-align: center
        }

        .btn {
            position: relative;
            width: 13em;
            height: 3em;
            margin: 2em;
            border: none;
            outline: none;
            letter-spacing: .2em;
            font-weight: bold;
            background: #999;
            cursor: pointer;
            overflow: hidden;
            user-select: none;
            border-radius: 2px;
            color: #fff;
        }

        button:nth-child(2) {
            background: #4285f4;
        }

        button:nth-child(3) {
            background: #00bad2;
        }

        button:nth-child(4) {
            background: #ff8a80;
        }

        button:nth-child(5) {
            background: #ffae00;
        }

        button:nth-child(6) {
            background: #aec156;
        }

        button:nth-child(7) {
            background: #a060a8;
        }

        button:nth-child(8) {
            background: #a78660;
        }

        button:nth-child(9) {
            background: #5da065;
        }

        button:nth-child(10) {
            background: #5e6b9a;
        }

        button:nth-child(11) {
            background: #9a5e5e;
        }

        button:nth-child(12) {
            background: #666;
        }

        .ripple {
            position: absolute;
            background: rgba(0, 0, 0, .15);
            border-radius: 100%;
            transform: scale(0);
            pointer-events: none;
        }

        .ripple.show {
            animation: ripple .75s ease-out;
        }

        @keyframes ripple {
            to {
                transform: scale(2);
                opacity: 0;
            }
        }
    </style>
</head>

<body>
    <h1 class="center">html5 +css3 点击后水波纹扩散效果 兼容移动端</h1>
    <div class="main center">
        <button class="btn">BUTTON</button>
        <button class="btn">BUTTON</button>
        <button class="btn">BUTTON</button>
        <button class="btn">BUTTON</button>
        <button class="btn">BUTTON</button>
        <button class="btn">BUTTON</button>
        <button class="btn">BUTTON</button>
        <button class="btn">BUTTON</button>
        <button class="btn">BUTTON</button>
        <button class="btn">BUTTON</button>
        <button class="btn">BUTTON</button>
        <button class="btn">BUTTON</button>
    </div>
    <script>
        var addRippleEffect = function(e) {
            var target = e.target;
            if (target.className.toLowerCase() !== 'btn') return false;
            var rect = target.getBoundingClientRect();
            var ripple = target.querySelector('.ripple');
            if (!ripple) {
                ripple = document.createElement('span');
                ripple.className = 'ripple'
                ripple.style.height = ripple.style.width = Math.max(rect.width, rect.height) + 'px'
                target.appendChild(ripple);
            }
            ripple.classList.remove('show');
            var top = e.pageY - rect.top - ripple.offsetHeight / 2 - document.body.scrollTop;
            var left = e.pageX - rect.left - ripple.offsetWidth / 2 - document.body.scrollLeft;
            ripple.style.top = top + 'px'
            ripple.style.left = left + 'px'
            ripple.classList.add('show');
            return false;
        }
        document.addEventListener('click', addRippleEffect, false);
    </script>
</body>

</html>