css+js实现一个跳动的loading动画效果

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分类专栏： css3 hover js中的一些重要属性文章标签： javascript css 动画

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css+js实现跳动的loading动画

<!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>
        @import url("https://fonts.googleapis.com/css?family=Baloo+Bhaijaan&display=swap");

        body {
            display: flex;
            height: 100vh;
            justify-content: center;
            align-items: center;
            text-align: center;
            background: #121212;
        }

        .loading {
            display: flex;
            color: white;
            font-size: 5em;
            font-family: "Baloo Bhaijaan", cursive;
            text-transform: uppercase;
        }

        .loading span {
            text-shadow: 0 1px #bbb, 0 2px #bbb, 0 3px #bbb, 0 4px #bbb, 0 5px #bbb, 0 6px transparent, 0 7px transparent, 0 8px transparent, 0 9px transparent, 0 10px 10px rgba(0, 0, 0, 0.4);
            transform: translateY(20px);
            animation: bounce 0.3s ease infinite alternate;
        }

        @keyframes bounce {
            to {
                text-shadow: 0 1px #bbb, 0 2px #bbb, 0 3px #bbb, 0 4px #bbb, 0 5px #bbb, 0 6px #bbb, 0 7px #bbb, 0 8px #bbb, 0 9px #bbb, 0 50px 25px rgba(0, 0, 0, 0.2);
                transform: translateY(-20px);
            }
        }
    </style>
</head>

<body>
    <div class="loading">Loading</div>
    <script>
        let loading = document.querySelector(".loading");
        let letters = loading.textContent.split("");
        loading.textContent = "";
        letters.forEach((letter, i) => {
            let span = document.createElement("span");
            span.textContent = letter;
            span.style.animationDelay = `${i / 10}s`;
            loading.append(span);
        });
    </script>
</body>

</html>