{"id":9039,"date":"2018-07-30T09:00:00","date_gmt":"2018-07-30T00:00:00","guid":{"rendered":"https:\/\/www.agent-grow.com\/self20percent\/?p=9039"},"modified":"2018-07-30T00:25:26","modified_gmt":"2018-07-29T15:25:26","slug":"html5-javascript-video-player","status":"publish","type":"post","link":"https:\/\/www.agent-grow.com\/self20percent\/2018\/07\/30\/html5-javascript-video-player\/","title":{"rendered":"HTML5 & JavaScript \u3067\u30d3\u30c7\u30aa\u30d7\u30ec\u30fc\u30e4\u30fc\u3092\u30b5\u30af\u30c3\u3068\u4f5c\u308d\u3046\uff01"},"content":{"rendered":"

\u3069\u3046\u3082\u3001\u3053\u3093\u306b\u3061\u306f\u3002\u6c5f\u5d5c\u3067\u3059\uff01<\/p>\n

\u4eca\u65e5\u306f HTML5 \u3068 JavaScript \u3067\u30d3\u30c7\u30aa\u30d7\u30ec\u30fc\u30e4\u30fc\u3092\u4f5c\u3063\u3066\u307f\u307e\u3057\u3087\u3046\uff01<\/p>\n

\u300cWeb \u3067\u30d3\u30c7\u30aa\u30d7\u30ec\u30fc\u30e4\u30fc\u306a\u3093\u3066\u4f5c\u308d\u3046\u3068\u601d\u3063\u305f\u3089\u3001\u7d50\u69cb\u3081\u3093\u3069\u304f\u3055\u3044\u3093\u3058\u3083\u306a\u3044\u306e\uff1f\u300d\u3068\u304a\u601d\u3044\u306e\u30a2\u30ca\u30bf\uff01<\/p>\n

HTML5 \u304b\u3089\u306f\u5168\u7136\u305d\u3093\u306a\u3053\u3068\u306a\u3044\u3093\u3067\u3059\uff01\u307b\u3093\u306e\u6570\u5341\u5206\u3067\u30d3\u30c7\u30aa\u30d7\u30ec\u30fc\u30e4\u30fc\u3092\u4f5c\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3088\u3002<\/p>\n

\u6848\u305a\u308b\u3088\u308a\u7523\u3080\u304c\u2026\u3067\u3001\u3068\u308a\u3042\u3048\u305a\u30b3\u30fc\u30c9\u66f8\u3044\u3066\u307f\u307e\u3057\u3087\u3046\uff01<\/p>\n

\u4eca\u56de\u4f5c\u308b\u3082\u306e<\/h1>\n

\u4eca\u56de\u3001\u3053\u3093\u306a\u611f\u3058\u306e\u3082\u306e\u3092\u4f5c\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n

\"\"<\/p>\n

\u64cd\u4f5c\u306f\u30b7\u30f3\u30d7\u30eb\u306b\u3001\u52d5\u753b\u3092\u64cd\u4f5c\u3059\u308b\u305f\u3081\u306e Start\u30fbStop\u30fbPause\u3002
\n\u3042\u3068\u306f\u30d5\u30eb\u30b9\u30af\u30ea\u30fc\u30f3\u8868\u793a\u3068\u3001\u52d5\u753b\u8aad\u307f\u8fbc\u307f\u7528\u306e\u30dc\u30bf\u30f3\u3092\u914d\u7f6e\u3057\u307e\u3057\u305f\u3002
\n\u305d\u308c\u3068\u52d5\u753b\u306e\u4e0b\u306b\u3042\u308b\u30d7\u30ed\u30b0\u30ec\u30b9\u30d0\u30fc\u3067\u3059\u306d\u3002
\n\u3053\u3061\u3089\u3082\u64cd\u4f5c\u53ef\u80fd\u3067\u3059\u3088\u3002<\/p>\n

\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\uff01<\/h1>\n

\u4eca\u56de\u306f HTML, JavaScript, \u305d\u3057\u3066\u30c7\u30b6\u30a4\u30f3\u306e\u70ba\u306e CSS \u304c\u5fc5\u8981\u3067\u3059\u306d\u3002
\n\u3042\u3068\u3001\u52d5\u753b\u9078\u629e\u524d\u306b\u8868\u793a\u3057\u3066\u304a\u304f\u753b\u50cf\u304c 1 \u679a\u3002
\n\u5168\u3066\u540c\u3058\u30d5\u30a9\u30eb\u30c0\u306b\u4fdd\u5b58\u3057\u3066(\u30d5\u30a1\u30a4\u30eb\u540d\u306f\u305d\u308c\u305e\u308c\u306e\u9805\u76ee\u306b\u66f8\u3044\u3066\u3042\u308b\u7269\u3092\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u306d)\u3001
\nhtml \u30d5\u30a1\u30a4\u30eb\u3092\u30d6\u30e9\u30a6\u30b6\u3067\u958b\u3051\u3070\u5b9f\u969b\u306b\u8a66\u305b\u307e\u3059\u3088\u3002<\/p>\n

HTML<\/h2>\n

\u30d5\u30a1\u30a4\u30eb\u540d\u306f index.html \u3067\u4fdd\u5b58\u3057\u307e\u3057\u3087\u3046\u3002
\n30 \u884c\u3082\u306a\u3044\u306e\u3067\u305d\u3093\u306a\u306b\u96e3\u3057\u304f\u306a\u3044\u3067\u3059\u306d\u3002<\/p>\n

\n&lt;!DOCTYPE html&gt;\n&lt;html&gt;\n    &lt;head&gt;\n        &lt;title&gt;Video&lt;\/title&gt;\n        &lt;meta charset=&quot;utf-8&quot;&gt;\n        &lt;link rel=&quot;stylesheet&quot; href=&quot;style.css&quot; type=&quot;text\/css&quot; \/&gt;\n        &lt;a href=&quot;http:\/\/index.js&quot;&gt;http:\/\/index.js&lt;\/a&gt;\n    &lt;\/head&gt;\n    &lt;body&gt;\n        &lt;section&gt;\n            &lt;video id=&quot;video-player&quot; poster=&quot;poster.png&quot;&gt;&lt;\/video&gt;\n            &lt;div id=&quot;progress-wrap&quot;&gt;\n                &lt;div id=&quot;progress-out&quot;&gt;\n                    &lt;div id=&quot;progress-in&quot;&gt;&lt;\/div&gt;\n                &lt;\/div&gt;\n            &lt;\/div&gt;\n            &lt;div id=&quot;controller-box&quot;&gt;\n                &lt;button id=&quot;video-play&quot;&gt;Play&lt;\/button&gt;\n                &lt;button id=&quot;video-stop&quot;&gt;Stop&lt;\/button&gt;\n                &lt;button id=&quot;video-pause&quot;&gt;Pause&lt;\/button&gt; \n                &lt;button id=&quot;video-fullscreen&quot;&gt;FullScreen&lt;\/button&gt;\n                &lt;button id=&quot;video-select&quot;&gt;File&lt;\/button&gt;\n            &lt;\/div&gt;\n            &lt;input id=&quot;video-file&quot; type=&quot;file&quot;\/&gt;\n        &lt;\/section&gt;\n    &lt;\/body&gt;\n&lt;\/html&gt;\n<\/pre>\n
JavaScript<\/h2>\n
\u3053\u3061\u3089\u3082 100 \u884c\u672a\u6e80\u306e\u7c21\u5358\u306a\u30b3\u30fc\u30c9\u3067\u3059\u3002
\n\u3042\u3063\u3055\u308a\u3053\u308c\u3060\u3051\u3067\u30d3\u30c7\u30aa\u30d7\u30ec\u30fc\u30e4\u30fc\u304c\u4f5c\u308c\u308b\u306a\u3093\u3066\u30aa\u30c9\u30ed\u30ad\u3067\u3059\u306d\uff01
\nindex.js \u3068\u3044\u3046\u540d\u524d\u3067\u4fdd\u5b58\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
\nconst main = () =&gt; {\n    const video = document.getElementById(&#039;video-player&#039;);\n\n\n    \/\/ \u30d3\u30c7\u30aa\u30d5\u30a1\u30a4\u30eb\u9078\u629e\u30dc\u30bf\u30f3\n    const fileSelector = document.getElementById(&#039;video-file&#039;);\n    const videoSelectButton = document.getElementById(&#039;video-select&#039;);\n    videoSelectButton.addEventListener(&#039;click&#039;, (e) =&gt; {\n        e.preventDefault();\n        e.stopPropagation();\n        fileSelector.click();\n    });\n\n    \/\/ \u30d3\u30c7\u30aa\u30d5\u30a1\u30a4\u30eb\u9078\u629e\n    fileSelector.addEventListener(&#039;change&#039;, (e) =&gt; {\n        const file = e.target.files[0];\n        if (!file.type.match(&#039;video.*&#039;)) {\n            console.log(&#039;This file is not video.&#039;);\n            return;\n        }\n\n        video.src = window.URL.createObjectURL(file);\n        video.load();\n        video.play();\n    });\n\n\n    \/\/ \u30d3\u30c7\u30aa\u518d\u751f\u30dc\u30bf\u30f3\n    const videoPlayButton = document.getElementById(&#039;video-play&#039;);\n    videoPlayButton.addEventListener(&#039;click&#039;, (e) =&gt; {\n        e.preventDefault();\n        e.stopPropagation();\n\n        video.play();\n    });\n\n\n    \/\/ \u30d3\u30c7\u30aa\u505c\u6b62\u30dc\u30bf\u30f3\n    const videoStopButton = document.getElementById(&#039;video-stop&#039;);\n    videoStopButton.addEventListener(&#039;click&#039;, (e) =&gt; {\n        e.preventDefault();\n        e.stopPropagation();\n\n        video.pause();\n        video.currentTime = 0.0;\n    });\n\n\n    \/\/ \u30d3\u30c7\u30aa\u30dd\u30fc\u30ba\u30dc\u30bf\u30f3\n    const videoPauseButton = document.getElementById(&#039;video-pause&#039;);\n    videoPauseButton.addEventListener(&#039;click&#039;, (e) =&gt; {\n        e.preventDefault();\n        e.stopPropagation();\n\n        video.pause();\n    });\n\n\n    \/\/ \u30d3\u30c7\u30aa\u30d5\u30eb\u30b9\u30af\u30ea\u30fc\u30f3\u30dc\u30bf\u30f3\n    const videoFullScreenButton = document.getElementById(&#039;video-fullscreen&#039;);\n    videoFullScreenButton.addEventListener(&#039;click&#039;, (e) =&gt; {\n        e.preventDefault();\n        e.stopPropagation();\n        if (video.requestFullScreen) {\n            video.requestFullScreen();\n        }\n        else if (video.webkitRequestFullscreen) {\n            video.webkitRequestFullscreen();\n        }\n        else if (video.mozRequestFullScreen) {\n            video.mozRequestFullScreen();\n        }\n        else if (video.msRequestFullscreen) {\n            video.msRequestFullscreen();\n        }\n    });\n\n\n    \/\/ \u30d7\u30ed\u30b0\u30ec\u30b9\u30d0\u30fc\u9577\u3055\u66f4\u65b0\n    const progressOut = document.getElementById(&quot;progress-out&quot;);\n    const progressIn = document.getElementById(&quot;progress-in&quot;);\n    video.addEventListener(&#039;timeupdate&#039;, () =&gt; {\n        progressIn.style.transform = `scaleX(${video.currentTime \/ video.duration})`;\n    });\n\n\n    \/\/ \u30d7\u30ed\u30b0\u30ec\u30b9\u30d0\u30fc\u30af\u30ea\u30c3\u30af\u6642\u30a4\u30d9\u30f3\u30c8\n    progressOut.addEventListener(&#039;click&#039;, (e) =&gt; {\n        const percent = (e.pageX - (progressOut.getBoundingClientRect().left + window.pageXOffset)) \/ progressOut.clientWidth;\n        video.currentTime = video.duration * percent;\n    });\n};\n\n\n\ndocument.addEventListener(&#039;DOMContentLoaded&#039;, () =&gt; {\n    main();\n});\n<\/pre>\n
CSS<\/h2>\n
\u3053\u3061\u3089\u3082 100 \u884c\u3082\u306a\u3044\u3067\u3059\u306d\u3002
\nstyle.css \u306e\u540d\u524d\u3067\u4fdd\u5b58\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
\n* {\n    margin: 0;\n    padding: 0;\n    box-sizing: border-box;\n}\n\nhtml {\n    width: 100%;\n    height: 100vh;\n}\n\nbody {\n    width: 100%;\n    height: 100%;\n    background: linear-gradient(-45deg, #536976, #292E49);\n}\n\nsection {\n    margin: 1rem auto;\n    width: 80%;\n}\n\nvideo {\n    width: 100%;\n    border-radius: 3px;\n    box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);\n}\n\nbutton {\n    padding: 0.5rem 1rem;\n    border: 0;\n    color: #ECEFF1;\n    border-radius: 3px;\n    background-color: #3F51B5;\n    box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);\n    cursor: pointer;\n    transition: 0.3s;\n}\n\nbutton:hover {\n    box-shadow: 3px 3px 3px rgba(0, 0, 0, 0.5);\n}\n\nbutton:active {\n    box-shadow: 3px 3px 3px rgba(0, 0, 0, 0.5) inset;\n}\n\n#progress-wrap {\n    width: 100%;\n    height: 1rem;\n}\n\n#progress-out {\n    width: 100%;\n    height: 100%;\n    background-color: rgba(0, 0, 0, 0.2);\n    border-radius: 3px;\n    box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);\n    transform: scaleY(0.5);\n    transition: 0.3s;\n}\n\n#progress-out:hover {\n    transform: scaleY(1.0);\n    box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);\n    cursor: pointer;\n}\n\n#progress-in {\n    margin: 0 auto 0 0;\n    width: 100%;\n    height: 100%;\n    background-color: #3F51B5;\n    border-radius: 3px;\n    transform-origin: top left;\n    transition: 0.1s;\n}\n\n#controller-box {\n    margin: 2rem auto;\n    text-align: center;\n}\n\n#video-file {\n    display: none;\n}\n<\/pre>\n
\u753b\u50cf<\/h2>\n
\u6700\u5f8c\u306b\u3001\u30d3\u30c7\u30aa\u8aad\u307f\u8fbc\u307f\u524d\u306b\u8868\u793a\u3057\u3066\u304a\u304f\u753b\u50cf\u3002
\n\u3053\u308c\u306f\u4f55\u3067\u3082\u3044\u3044\u306e\u3067\u3059\u304c\u3001\u3068\u308a\u3042\u3048\u305a\u4eca\u56de\u4f7f\u7528\u3057\u305f\u3082\u306e\u3092\u7f6e\u3044\u3066\u304a\u304d\u307e\u3059\u306d\u3002
\nposter.png \u306e\u540d\u524d\u3067\u4fdd\u5b58\u3092\u3002<\/p>\n
<img src="https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/07\/poster.png" alt="" width="800" height="450" class="alignnone size-full wp-image-9040" \/><\/p>\n
\u89e3\u8aac\uff01<\/h1>\n
\u5b9f\u969b\u306b\u52d5\u304b\u3057\u3066\u307f\u307e\u3057\u305f\u304b\uff1f
\n\u305f\u3063\u305f\u3053\u308c\u3060\u3051\u306e\u30b3\u30fc\u30c9\u3067\u30d3\u30c7\u30aa\u30d7\u30ec\u30fc\u30e4\u30fc\u304c\u4f5c\u308c\u308b\u3093\u3067\u3059\u306d\u3002<\/p>\n
\u305d\u308c\u3067\u306f\u3001HTML \u3068 JavaScript \u306e\u30d5\u30a1\u30a4\u30eb\u306b\u3064\u3044\u3066\u3001\u30ad\u30fc\u30dd\u30a4\u30f3\u30c8\u3092\u8efd\u304f\u62bc\u3055\u3048\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
HTML<\/h2>\n
HTML \u30d5\u30a1\u30a4\u30eb\u306f\u53d6\u308a\u7acb\u3066\u3066\u8272\u3005\u66f8\u304f\u3053\u3068\u306f\u306a\u3044\u306e\u3067\u3059\u304c\u3001
\n\u4e00\u304b\u6240\u3068\u3066\u3082\u91cd\u8981\u306a\u3068\u3053\u308d\u304c\u3042\u308a\u307e\u3059\u306d\u3002<\/p>\n
9 \u884c\u76ee – video \u30bf\u30b0<\/h3>\n
\u6700\u3082\u91cd\u8981\u306a\u70b9\u3068\u306f\u3053\u3053\uff01<\/p>\n
\n&lt;video id=&quot;video-player&quot; poster=&quot;poster.png&quot;&gt;&lt;\/video&gt;\n<\/pre>\n
video \u30bf\u30b0\u3067\u3059\u306d\uff01
\n\u3053\u308c\u3060\u3051\u3067\u52d5\u753b\u3092\u518d\u751f\u3059\u308b\u4e0b\u5730\u304c\u3059\u3079\u3066\u305d\u308d\u3063\u3066\u3057\u307e\u3044\u307e\u3059\uff01
\n\u4eca\u56de\u306f\u52d5\u753b\u3092 JavaScript \u3067\u64cd\u4f5c\u3059\u308b\u306e\u3067\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u3067\u3059\u304c\u3001\u3000<video controls><\/video> \u306e\u3088\u3046\u306b\u3001 controls \u3092\u6307\u5b9a\u3059\u308b\u3068
\n\u30d6\u30e9\u30a6\u30b6\u5074\u304c\u7528\u610f\u3057\u3066\u3044\u308b\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u3092\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff01<\/p>\n
\u3053\u308c\u3060\u3051\u3067\u3082\u30d3\u30c7\u30aa\u30d7\u30ec\u30fc\u30e4\u30fc\u304c\u4f5c\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u306d\uff01<\/p>\n
24 \u884c\u76ee – input file<\/h3>\n
\u5f8c\u306f input \u3067\u3059\u306d\u3002
\n<input type="file"> \u306f CSS \u3067\u306e\u30c7\u30b6\u30a4\u30f3\u5909\u66f4\u304c\u96e3\u3057\u3044\u305f\u3081\u3001
\n\u8981\u7d20\u5168\u4f53\u3092 CSS \u3067\u96a0\u3057\u3066\u3001\u5225\u306b\u7528\u610f\u3057\u305f\u30dc\u30bf\u30f3\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u969b\u306b\u3001\u3053\u3061\u3089\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u3053\u3068\u306b\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3088\u3002<\/p>\n
\n&lt;br \/&gt;<\/pre>\n
JavaScript<\/h2>\n
JavaScript \u306f\u5168\u3066\u89e3\u8aac\u3057\u3066\u3044\u308b\u3068\u7d50\u69cb\u306a\u5206\u91cf\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3001 \u52d5\u753b\u306b\u95a2\u4fc2\u3042\u308b\u3068\u3053\u308d\u306e\u307f\u3002
\n\u305d\u306e\u4ed6\u306f\u5206\u304b\u3089\u306a\u3044\u7b87\u6240\u306f google \u691c\u7d22\u306b\u304b\u3051\u308c\u3070\u5927\u4f53\u51fa\u3066\u304d\u307e\u3059\u3088\uff01<\/p>\n
22 ~ 24 \u884c\u76ee – \u52d5\u753b\u8aad\u307f\u8fbc\u307f \uff5e \u518d\u751f<\/h3>\n
\nvideo.src = window.URL.createObjectURL(file);\nvideo.load();\nvideo.play();\n<\/pre>\n
video \u5909\u6570\u306b\u306f\u3001\u4e0a\u306e\u65b9\u3067 video \u8981\u7d20\u3092\u53d6\u5f97\u3057\u3066\u4ee3\u5165\u3057\u3066\u3042\u308a\u307e\u3059\u3002
\n\u3042\u307e\u308a\u898b\u6163\u308c\u306a\u3044\u306e\u306f window.URL.createObjectURL() \u3067\u3059\u306d\u3002
\n\u3053\u3061\u3089\u306f\u3001\u4e0e\u3048\u3089\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u53c2\u7167\u3067\u304d\u308b URL \u3092\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u5185\u90e8\u3067\u751f\u6210\u3057\u3066\u304f\u308c\u308b\u6a5f\u80fd\u3067\u3059\u3002
\n\u5168\u90e8\u52d5\u753b\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3093\u3067\u3082\u3044\u3044\u306e\u3067\u3059\u304c\u3001\u305d\u3046\u3059\u308b\u3068\u3061\u3087\u3063\u3068\u91cd\u3044\u306e\u3067\u3053\u306e\u65b9\u6cd5\u3067\u3002<\/p>\n
URL \u3092 video.src \u306b\u4ee3\u5165\u3059\u308b\u3060\u3051\u3067\u52d5\u753b\u306e\u8a2d\u5b9a\u306f OK\uff01
\n\u3042\u3068\u306f video.load() \u3067\u5b9f\u969b\u306b\u8aad\u307f\u8fbc\u307f\u3092\u3055\u305b\u3066\u3001 video.play() \u3067\u518d\u751f\uff01
\n\u52d5\u753b\u518d\u751f\u306f\u5b9f\u8cea 3 \u884c\u3060\u3051\u3067\u3067\u304d\u3066\u3044\u308b\u3093\u3067\u3059\u306d\uff01<\/p>\n
34, 44 ~ 45, 55 \u884c\u76ee – \u52d5\u753b\u64cd\u4f5c<\/h3>\n
\nvideo.play();\n\nvideo.pause();\nvideo.currentTime = 0.0;\n<\/pre>\n
video.play() \u306f\u3082\u3046\u51fa\u3066\u304d\u307e\u3057\u305f\u306d\u3002
\n\u3053\u3061\u3089\u304c\u518d\u751f\u306a\u3089\u3001\u6b62\u3081\u308b\u65b9\u306f video.pause() \u3067\u3059\u3002<\/p>\n
\u3042\u3068 stop \u304c\u5fc5\u8981\u3067\u3059\u304c\u3001\u3053\u3061\u3089\u306f\u5358\u7d14\u306b video.pause() \u3067\u518d\u751f\u3092\u6b62\u3081\u305f\u5f8c\u3001\u518d\u751f\u4f4d\u7f6e\u3092\u6700\u521d\u306b\u623b\u305b\u3070\u3044\u3044\u3067\u3059\u306d\u3002
\n\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u518d\u751f\u4f4d\u7f6e\u306f video.currentTime \u306b\u79d2\u3067\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u3053\u3053\u306b 0 \u3092\u5165\u308c\u308c\u3070\u6700\u521d\u306b\u623b\u308a\u307e\u3059\u3002<\/p>\n
video.currentTime \u306f\u666e\u901a\u306b\u5909\u6570\u306e\u3088\u3046\u306b\u6271\u3048\u308b\u306e\u3067\u3001\u73fe\u5728\u306e\u518d\u751f\u5834\u6240\u3092\u53c2\u7167\u3057\u305f\u3044\u5834\u5408\u3082\u5358\u7d14\u306b video.currentTime \u3092\u547c\u3073\u51fa\u305b\u3070 OK\u3002
\n\u3053\u308c\u4ee5\u4e0a\u7c21\u5358\u306b\u306a\u308a\u3088\u3046\u304c\u306a\u3044\u307b\u3069\u3001\u81f3\u308c\u308a\u5c3d\u304f\u305b\u308a\u3067\u3059\u306d\u3002<\/p>\n
64 ~ 75 \u884c\u76ee – \u30d5\u30eb\u30b9\u30af\u30ea\u30fc\u30f3<\/h3>\n
\nif (video.requestFullScreen) {\n    video.requestFullScreen();\n}\nelse if (video.webkitRequestFullscreen) {\n    video.webkitRequestFullscreen();\n}\nelse if (video.mozRequestFullScreen) {\n    video.mozRequestFullScreen();\n}\nelse if (video.msRequestFullscreen) {\n    video.msRequestFullscreen();\n}\n<\/pre>\n
\u5b9f\u306f\u30d5\u30eb\u30b9\u30af\u30ea\u30fc\u30f3\u3082\u3068\u3063\u3066\u3082\u7c21\u5358\u3067\u3001\u30d5\u30eb\u30b9\u30af\u30ea\u30fc\u30f3\u8868\u793a\u3057\u305f\u3044\u8981\u7d20\u306b\u5bfe\u3057\u3066 requestFullScreen() \u3092\u547c\u3073\u51fa\u3059\u30c0\u30b1\uff01<\/p>\n
\u305f\u3060\u3001\u307e\u3060\u3053\u3061\u3089\u306f\u65b0\u3057\u304f\u3001\u30d6\u30e9\u30a6\u30b6\u3054\u3068\u306b\u30d9\u30f3\u30c0\u30fc\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u304c\u5fc5\u8981\u306a\u3053\u3068\u3082\u3002
\n\u95a2\u6570\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092 if \u3067\u78ba\u8a8d\u3057\u3066\u3001\u3042\u308c\u3070\u5b9f\u884c\u3059\u308b\u66f8\u304d\u65b9\u306f JavaScript \u306e\u7279\u5fb4\u7684\u306a\u66f8\u304d\u65b9\u3067\u3059\u306d\uff01<\/p>\n
82 ~ 84 \u884c\u76ee – \u30d7\u30ed\u30b0\u30ec\u30b9\u30d0\u30fc\u8868\u793a<\/h3>\n
\nvideo.addEventListener(&#039;timeupdate&#039;, () =&gt; {\n    progressIn.style.transform = `scaleX(${video.currentTime \/ video.duration})`;\n});\n<\/pre>\n
video \u8981\u7d20\u306e timeupdate<\/code> \u30a4\u30d9\u30f3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001 currentTime\u3000\u304c\u66f4\u65b0\u3055\u308c\u305f\u6642\u70b9\u3067\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u706b\u3055\u308c\u307e\u3059\u3002
\nprogressIn \u306f\u30d7\u30ed\u30b0\u30ec\u30b9\u30d0\u30fc\u306e div \u8981\u7d20\u3067\u3059\u306d\u3002
\n\u3053\u306e div \u306e\u6a2a\u5e45\u3092\u3001CSS \u306e transform \u3092\u4f7f\u7528\u3057\u3066\u6a2a\u65b9\u5411\u306e\u30b9\u30b1\u30fc\u30eb\u3092\u5909\u66f4\u3057\u3066\u3001\u30d7\u30ed\u30b0\u30ec\u30b9\u30d0\u30fc\u306e\u52d5\u304d\u3092\u8868\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u52d5\u4f5c\u3060\u3051\u898b\u308b\u3068\u3001\u3081\u3093\u3069\u304f\u3055\u3044\u51e6\u7406\u3092\u66f8\u304f\u5fc5\u8981\u304c\u3042\u308a\u305d\u3046\u306a\u3068\u3053\u308d\u3067\u3059\u304c\u3001CSS \u3092\u4f7f\u3048\u3070\u305f\u3063\u305f 3 \u884c\u3067\u66f8\u3051\u3066\u3057\u307e\u3046\u306e\u3067\u3059\u306d\u3002<\/p>\n
88 ~ 91 \u884c\u76ee – \u30d7\u30ed\u30b0\u30ec\u30b9\u30d0\u30fc\u30af\u30ea\u30c3\u30af<\/h3>\n
\nprogressOut.addEventListener(&#039;click&#039;, (e) =&gt; {\n    const percent = (e.pageX - (progressOut.getBoundingClientRect().left + window.pageXOffset)) \/ progressOut.clientWidth;\n    video.currentTime = video.duration * percent;\n});\n<\/pre>\n
\u3053\u3061\u3089\u3082\u3081\u3093\u3069\u304f\u3055\u305d\u3046\u306a\u30d7\u30ed\u30b0\u30ec\u30b9\u30d0\u30fc\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u3068\u304d\u306e\u6319\u52d5\u3067\u3059\u304c\u3001\u305f\u3063\u305f 4 \u884c\u3067\u66f8\u3051\u3066\u3044\u307e\u3059\u306d\u3002<\/p>\n
percent<\/code> \u5909\u6570\u306e\u8a08\u7b97\u306e\u4ed5\u65b9\u306b\u3064\u3044\u3066\u306f\u8aac\u660e\u3059\u308b\u3068\u3061\u3087\u3063\u3068\u9577\u304f\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u5225\u9014\u8abf\u3079\u3066\u3044\u305f\u3060\u304d\u305f\u3044\u3068\u3053\u308d\u3067\u3059\u3002
\n\u3053\u3053\u3067\u3082 currentTime \u306b\u79d2\u6570\u3092\u653e\u308a\u8fbc\u3081\u3070\u3001\u305d\u3053\u3078\u79fb\u52d5\u3059\u308b\u3068\u3044\u3046\u3068\u3063\u3066\u3082\u4fbf\u5229\u306a\u6a5f\u80fd\u306e\u304a\u304b\u3052\u3067\u3001\u3053\u308c\u3060\u3051\u77ed\u3044\u30b3\u30fc\u30c9\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u306d\u3002<\/p>\n
\u307e\u3068\u3081<\/h1>\n
\u5c11\u3057\u6614\u3067\u306f\u30d0\u30ea\u30d0\u30ea JavaScript \u66f8\u304b\u306a\u3044\u3068\u4f5c\u308c\u306a\u304b\u3063\u305f\u30d3\u30c7\u30aa\u30d7\u30ec\u30fc\u30e4\u30fc\u3067\u3059\u304c\u3001
\nHTML5 \u3092\u4f7f\u3048\u3070\u3053\u3093\u306a\u306b\u7c21\u5358\u306b\u52d5\u753b\u3092\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u306d\u3002<\/p>\n
\u3068\u3066\u3082\u7c21\u5358\u306b\u4f7f\u3048\u308b\u306e\u3067\u3001\u52d5\u753b\u3092\u4f7f\u7528\u3057\u305f Web \u30da\u30fc\u30b8\u306f\u3053\u308c\u304b\u3089\u3082\u30c9\u30f3\u30c9\u30f3\u5897\u3048\u3066\u3044\u304d\u305d\u3046\u3067\u3059\u3002<\/p>\n
\u305c\u3072\u7686\u3055\u3093\u3082\u3001Web \u3067\u7c21\u5358\u306b\u6271\u3048\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u52d5\u753b\u3092\u3001\u3054\u81ea\u8eab\u306e Web \u30b5\u30a4\u30c8\u306b\u3046\u307e\u304f\u53d6\u308a\u5165\u308c\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u306d\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u3069\u3046\u3082\u3001\u3053\u3093\u306b\u3061\u306f\u3002\u6c5f\u5d5c\u3067\u3059\uff01 \u4eca\u65e5\u306f HTML5 \u3068 JavaScript \u3067\u30d3\u30c7\u30aa\u30d7\u30ec\u30fc\u30e4\u30fc\u3092\u4f5c\u3063\u3066\u307f\u307e\u3057\u3087\u3046\uff01 \u300cWeb \u3067\u30d3\u30c7\u30aa\u30d7\u30ec\u30fc\u30e4\u30fc\u306a\u3093\u3066\u4f5c\u308d\u3046\u3068\u601d\u3063\u305f\u3089\u3001\u7d50\u69cb\u3081\u3093\u3069\u304f\u3055\u3044\u3093\u3058\u3083\u306a\u3044\u306e\uff1f\u300d\u3068\u304a\u601d\u3044\u306e\u30a2\u30ca\u30bf\uff01 […]<\/p>\n","protected":false},"author":15,"featured_media":9047,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[10],"tags":[354,45],"class_list":["post-9039","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tech","tag-html5","tag-javascript"],"jetpack_featured_media_url":"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2018\/07\/850c7612116999490846136e772ab7fd-2.png","jetpack_shortlink":"https:\/\/wp.me\/p7Bq4F-2lN","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/posts\/9039","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/comments?post=9039"}],"version-history":[{"count":0,"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/posts\/9039\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/media\/9047"}],"wp:attachment":[{"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/media?parent=9039"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/categories?post=9039"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/tags?post=9039"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}