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Commit ab8e906

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add task18 and update the answer of task 17
1 parent 71a5fc5 commit ab8e906

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3 files changed

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3 files changed

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Video Speed Scrubber</title>
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<link rel="stylesheet" href="style.css">
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</head>
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<body>
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<div class="wrapper">
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<video class="flex" width="765" height="430" src="https://s3.cn-north-1.amazonaws.com.cn/tws-courses-resource/Linux%E5%91%BD%E4%BB%A4%E8%A1%8C%E5%9F%BA%E7%A1%80.mp4" loop controls></video>
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<div class="speed">
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<div class="speed-bar">×ばつ</div>
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</div>
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</div>
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<script>
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const speed = document.querySelector('.speed');
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const bar = speed.querySelector('.speed-bar');
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const video = document.querySelector('.flex');
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function handleMove(e) {
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const y = e.pageY - this.offsetTop;
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const percent = y / this.offsetHeight;
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const min = 0.4;
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const max = 4;
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const height = Math.round(percent * 100) + '%';
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const playbackRate = percent * (max - min) + min;
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bar.style.height = height;
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bar.textContent = playbackRate.toFixed(2) + ×ばつ';
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video.playbackRate = playbackRate;
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}
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speed.addEventListener('mousemove', handleMove);
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</script>
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</body>
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</html>

‎18 - Click and Drag/index-START.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Click and Drag</title>
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<link rel="stylesheet" href="style.css">
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</head>
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<body>
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<div class="items">
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<div class="item item1">01</div>
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<div class="item item2">02</div>
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<div class="item item3">03</div>
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<div class="item item4">04</div>
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<div class="item item5">05</div>
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<div class="item item6">06</div>
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<div class="item item7">07</div>
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<div class="item item8">08</div>
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<div class="item item9">09</div>
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<div class="item item10">10</div>
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<div class="item item11">11</div>
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<div class="item item12">12</div>
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<div class="item item13">13</div>
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<div class="item item14">14</div>
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<div class="item item15">15</div>
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<div class="item item16">16</div>
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<div class="item item17">17</div>
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<div class="item item18">18</div>
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<div class="item item19">19</div>
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<div class="item item20">20</div>
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<div class="item item21">21</div>
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<div class="item item22">22</div>
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<div class="item item23">23</div>
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<div class="item item24">24</div>
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<div class="item item25">25</div>
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</div>
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<script>
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</script>
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</body>
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</html>

‎18 - Click and Drag/style.css

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html {
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box-sizing: border-box;
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background: url('https://source.unsplash.com/NFs6dRTBgaM/2000x2000') fixed;
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background-size: cover;
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}
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*, *:before, *:after {
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box-sizing: inherit;
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}
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body {
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min-height: 100vh;
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display: flex;
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justify-content: center;
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align-items: center;
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font-family: sans-serif;
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font-size: 20px;
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margin: 0;
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}
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.items {
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height:800px;
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padding: 100px;
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width:100%;
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border:1px solid white;
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overflow-x: scroll;
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overflow-y: hidden;
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white-space: nowrap;
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user-select: none;
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cursor: pointer;
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transition: all 0.2s;
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transform: scale(0.98);
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will-change: transform;
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position: relative;
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background: rgba(255,255,255,0.1);
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font-size: 0;
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perspective: 500px;
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}
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.items.active {
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background: rgba(255,255,255,0.3);
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cursor: grabbing;
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cursor: -webkit-grabbing;
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transform: scale(1);
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}
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.item {
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width:200px;
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height: calc(100% - 40px);
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display: inline-flex;
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align-items: center;
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justify-content: center;
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font-size: 80px;
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font-weight: 100;
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color:rgba(0,0,0,0.15);
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box-shadow: inset 0 0 0 10px rgba(0,0,0,0.15);
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}
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.item:nth-child(9n+1) { background: dodgerblue;}
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.item:nth-child(9n+2) { background: goldenrod;}
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.item:nth-child(9n+3) { background: paleturquoise;}
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.item:nth-child(9n+4) { background: gold;}
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.item:nth-child(9n+5) { background: cadetblue;}
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.item:nth-child(9n+6) { background: tomato;}
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.item:nth-child(9n+7) { background: lightcoral;}
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.item:nth-child(9n+8) { background: darkslateblue;}
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.item:nth-child(9n+9) { background: rebeccapurple;}
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.item:nth-child(even) { transform: scaleX(1.31) rotateY(40deg); }
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.item:nth-child(odd) { transform: scaleX(1.31) rotateY(-40deg); }

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AltStyle によって変換されたページ (->オリジナル) /