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gapurov/file-with-video.html

Last active December 9, 2018 22:16
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Lazy Loading Video iFrame from Youtube https://glitch.com/edit/#!/12-pepelsbey
Raw
file-with-video.html
<!DOCTYPE html>
<html lang="ru">
<head>
<meta charset="utf-8">
<title>Как вставить двадцать видео с Ютуба</title>
<link rel="stylesheet" href="style.css">
</head>
<body class="page">
<div class="video">
<a class="video__link" href="https://youtu.be/neHA4MJwpnY">
<picture>
<source srcset="https://i.ytimg.com/vi_webp/neHA4MJwpnY/maxresdefault.webp" type="image/webp">
<img class="video__media" src="https://i.ytimg.com/vi/neHA4MJwpnY/maxresdefault.jpg" alt="1. Пилот, разборы, ответы и лайвы">
</picture>
</a>
<button class="video__button" type="button" aria-label="Запустить видео">
<svg width="68" height="48" viewBox="0 0 68 48"><path class="video__button-shape" d="M66.52,7.74c-0.78-2.93-2.49-5.41-5.42-6.19C55.79,.13,34,0,34,0S12.21,.13,6.9,1.55 C3.97,2.33,2.27,4.81,1.48,7.74C0.06,13.05,0,24,0,24s0.06,10.95,1.48,16.26c0.78,2.93,2.49,5.41,5.42,6.19 C12.21,47.87,34,48,34,48s21.79-0.13,27.1-1.55c2.93-0.78,4.64-3.26,5.42-6.19C67.94,34.95,68,24,68,24S67.94,13.05,66.52,7.74z"></path><path class="video__button-icon" d="M 45,24 27,14 27,34"></path></svg>
</button>
</div>
<script src="video.js"></script>
</body>
</html>
Raw
style.css
.page {
margin: 0;
display: grid;
grid-template-columns: 1fr 1fr;
grid-gap: 20px;
}
.video {
position: relative;
width: 100%;
height: 0;
padding-bottom: 56.25%;
background-color: #000000;
}
.video__link {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}
.video__media {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
border: none;
}
.video__button {
position: absolute;
top: 50%;
left: 50%;
z-index: 1;
display: none;
padding: 0;
width: 68px;
height: 48px;
border: none;
background-color: transparent;
transform: translate(-50%, -50%);
cursor: pointer;
}
.video__button-shape {
fill: #212121;
fill-opacity: 0.8;
}
.video__button-icon {
fill: #ffffff;
}
.video__button:focus {
outline: none;
}
.video:hover .video__button-shape,
.video__button:focus .video__button-shape {
fill: #ff0000;
fill-opacity: 1;
}
/* Enabled */
.video--enabled {
cursor: pointer;
}
.video--enabled .video__button {
display: block;
}
Raw
video.js
function findVideos() {
let videos = document.querySelectorAll('.video');
for (let i = 0; i < videos.length; i++) {
setupVideo(videos[i]);
}
}
function setupVideo(video) {
let link = video.querySelector('.video__link');
let media = video.querySelector('.video__media');
let button = video.querySelector('.video__button');
let id = parseMediaURL(media);
video.addEventListener('click', () => {
let iframe = createIframe(id);
link.remove();
button.remove();
video.appendChild(iframe);
});
link.removeAttribute('href');
video.classList.add('video--enabled');
}
function parseMediaURL(media) {
let regexp = /https:\/\/i\.ytimg\.com\/vi\/([a-zA-Z0-9_-]+)\/maxresdefault\.jpg/i;
let url = media.src;
let match = url.match(regexp);
return match[1];
}
function createIframe(id) {
let iframe = document.createElement('iframe');
iframe.setAttribute('allowfullscreen', '');
iframe.setAttribute('allow', 'autoplay');
iframe.setAttribute('src', generateURL(id));
iframe.classList.add('video__media');
return iframe;
}
function generateURL(id) {
let query = '?rel=0&showinfo=0&autoplay=1';
return 'https://www.youtube.com/embed/' + id + query;
}
findVideos();
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