滑种（懒得写样式），HTML代码在线实时编辑、实时预览

index.html

style.css

index.js

            
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            <!DOCTYPE html>
<html lang="en" >
   <head>
      <meta charset="UTF-8">
      <title>Modern Slide Clock</title>
      <link rel="stylesheet" href="style.css">
   </head>
   <body>
      <div class="column">
         <div class="num">0</div>
         <div class="num">1</div>
         <div class="num">2</div>
      </div>
      <div class="column">
         <div class="num">0</div>
         <div class="num">1</div>
         <div class="num">2</div>
         <div class="num">3</div>
         <div class="num">4</div>
         <div class="num">5</div>
         <div class="num">6</div>
         <div class="num">7</div>
         <div class="num">8</div>
         <div class="num">9</div>
      </div>
      <div class="colon"></div>
      <div class="column">
         <div class="num">0</div>
         <div class="num">1</div>
         <div class="num">2</div>
         <div class="num">3</div>
         <div class="num">4</div>
         <div class="num">5</div>
      </div>
      <div class="column">
         <div class="num">0</div>
         <div class="num">1</div>
         <div class="num">2</div>
         <div class="num">3</div>
         <div class="num">4</div>
         <div class="num">5</div>
         <div class="num">6</div>
         <div class="num">7</div>
         <div class="num">8</div>
         <div class="num">9</div>
      </div>
      <div class="colon"></div>
      <div class="column">
         <div class="num">0</div>
         <div class="num">1</div>
         <div class="num">2</div>
         <div class="num">3</div>
         <div class="num">4</div>
         <div class="num">5</div>
      </div>
      <div class="column">
         <div class="num">0</div>
         <div class="num">1</div>
         <div class="num">2</div>
         <div class="num">3</div>
         <div class="num">4</div>
         <div class="num">5</div>
         <div class="num">6</div>
         <div class="num">7</div>
         <div class="num">8</div>
         <div class="num">9</div>
      </div>
      <script  src="index.js"></script>
   </body>
</html>

            
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             body {
    text-align: center;
    color: rgba(224, 230, 235, 0.89);
    font-family: 'Audiowide', cursive;
    background-image: url('../images/bg.jpg');
    background-color: #131415;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
    overflow: hidden;
}
.column,
.colon {
    display: inline-block;
    vertical-align: top;
    font-size: 86px;
    line-height: 86px;
}
.column {
    -webkit-transition: -webkit-transform 300ms;
    transition: -webkit-transform 300ms;
    transition: transform 300ms;
    transition: transform 300ms, -webkit-transform 300ms;
}
.colon {
    -webkit-transition: -webkit-transform 300ms;
    transition: -webkit-transform 300ms;
    transition: transform 300ms;
    transition: transform 300ms, -webkit-transform 300ms;
    -webkit-transform: translateY(calc(50vh - 43px));
    transform: translateY(calc(50vh - 43px));
}
.colon:after {
    content: ':';
}
.num {
    -webkit-transition: opacity 500ms, text-shadow 100ms;
    transition: opacity 500ms, text-shadow 100ms;
    opacity: 0.025;
}
.num.visible {
    opacity: 1.0;
    text-shadow: 1px 1px 0px #336699;
}
.num.close {
    opacity: 0.35;
}
.num.far {
    opacity: 0.15;
}
.num.distant {
    opacity: 0.1;
}
@font-face {
  font-family: 'Audiowide';
  font-style: normal;
  font-weight: 400;
  src: url(../fonts/l7gdbjpo0cum0ckerWCdmA_OIxo.woff2) format('woff2');
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Audiowide';
  font-style: normal;
  font-weight: 400;
  src: url(../fonts/l7gdbjpo0cum0ckerWCdlg_O.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

            
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            var size = 86;
var columns = Array.from(document.getElementsByClassName('column'));
var d = void 0,
    c = void 0;
var classList = ['visible', 'close', 'far', 'far', 'distant', 'distant'];
var use24HourClock = true;

function padClock(p, n) {
    return p + ('0' + n).slice(-2);
}

function getClock() {
    d = new Date();
    return [use24HourClock ? d.getHours() : d.getHours() % 12 || 12, d.getMinutes(), d.getSeconds()].reduce(padClock, '');
}

function getClass(n, i2) {
    return classList.find(function (class_, classIndex) {
        return Math.abs(n - i2) === classIndex;
    }) || '';
}

var loop = setInterval(function () {
    c = getClock();

    columns.forEach(function (ele, i) {
        var n = +c[i];
        var offset = -n * size;
        ele.style.transform = 'translateY(calc(50vh + ' + offset + 'px - ' + size / 2 + 'px))';
        Array.from(ele.children).forEach(function (ele2, i2) {
            ele2.className = 'num ' + getClass(n, i2);
        });
    });
}, 200 + Math.E * 10);

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