图文详解JUC：Wait与Sleep的区别与细节

    <div class="mask">
        <div class="word">Loading...</div>
        <div class="word">Loading...</div>
    </div>

    .mask {
        position: relative;
        height: 100vh;
        background-color: #000;
        .word {
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            color: #fff;
            font-size: 80px;
            &:nth-child(1) {
                color: transparent;
                -webkit-text-stroke: 2px #03a9f4;
            }
            &:nth-child(2) {
                color: #03a9f4;
                animation: water 2s ease-in-out infinite alternate;
            }
        }
    }
    @keyframes water {
        0% {
            clip-path: polygon(31% 61%, 53% 65%, 77% 67%, 100% 68%, 100% 100%, 0% 100%, 0% 35%, 13% 52%)
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        100% {
            clip-path: polygon(51% 68%, 71% 59%, 86% 44%, 100% 24%, 100% 100%, 0% 100%, 0% 72%, 28% 71%)
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    }