{"id":7423,"date":"2026-09-13T00:45:38","date_gmt":"2026-09-12T15:45:38","guid":{"rendered":"https:\/\/taitan916.info\/blog\/?p=7423"},"modified":"2026-09-13T02:29:21","modified_gmt":"2026-09-12T17:29:21","slug":"post-7423","status":"publish","type":"post","link":"https:\/\/taitan916.info\/blog\/archives\/7423","title":{"rendered":"JavaScript\u306b\u3066\u753b\u50cf\u3092\u30d5\u30eb\u30b9\u30af\u30ea\u30fc\u30f3\u8868\u793a\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>JavaScript\u306b\u3066\u753b\u50cf\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u30d5\u30eb\u30b9\u30af\u30ea\u30fc\u30f3\u8868\u793a\u3055\u305b\u305f\u304b\u3063\u305f\u3002\u305f\u3060\u306e\u753b\u50cf\u62e1\u5927\u306a\u3089<a href=\"https:\/\/taitan916.info\/blog\/archives\/7127\" target=\"_blank\" rel=\"noopener\">Lightbox\u7cfb\u30e9\u30a4\u30d6\u30e9\u30ea<\/a>\u3092\u5c0e\u5165\u3059\u308b\u304c\u3001\u30d5\u30eb\u30b9\u30af\u30ea\u30fc\u30f3\u8868\u793a\u3068\u3044\u3046\u3053\u3068\u3060\u3063\u305f\u306e\u3067\u4ed6\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u691c\u8a0e\u3057\u3088\u3046\u304b\u3068\u601d\u3044\u304d\u3084\u3001Web API\u3067\u7c21\u5358\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u307f\u305f\u3044\u3002\u4ee5\u4e0b\u306b\u30b5\u30f3\u30d7\u30eb\u3068\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u30e1\u30e2\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u30b5\u30f3\u30d7\u30eb<\/h2>\n<p><a href=\"https:\/\/taitan916.info\/sample\/fullscreen\/\" target=\"_blank\" rel=\"noopener\">https:\/\/taitan916.info\/sample\/fullscreen\/<\/a><\/p>\n<p>\u753b\u50cf\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u30d5\u30eb\u30b9\u30af\u30ea\u30fc\u30f3\u8868\u793a\u3001\u518d\u5ea6\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u901a\u5e38\u8868\u793a\u306b\u623b\u308b\u7b48\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u5bfe\u5fdc\u65b9\u6cd5<\/h2>\n<h3>\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">&lt;style&gt;\r\n.fullscreen{\r\n    display: flex;\r\n}\r\nimg{\r\n    width: 200px;\r\n    height: 200px;\r\n    margin: 10px;\r\n    cursor: pointer;\r\n}\r\n&lt;\/style&gt;\r\n&lt;div class=\"fullscreen\"&gt;\r\n    &lt;img src=\"\/sample\/assets\/img\/001.jpg\" class=\"img\"&gt;\r\n    &lt;img src=\"\/sample\/assets\/img\/002.jpg\" class=\"img\"&gt;\r\n    &lt;img src=\"\/sample\/assets\/img\/003.jpg\" class=\"img\"&gt;\r\n&lt;\/div&gt;\r\n&lt;script&gt;\r\ndocument.querySelector('.fullscreen').addEventListener(`click`, function(e){\r\n    if( e.target.matches('.img') ){\r\n        if( document.fullscreenElement === null ){\r\n            e.target.requestFullscreen();\r\n        }else{\r\n            document.exitFullscreen();\r\n        }\r\n    }\r\n});\r\n&lt;\/script&gt;<\/pre>\n<h3>\u6ce8\u610f\u70b9<\/h3>\n<p>Fullscreen API\u306b\u3064\u3044\u3066Chrome \/ Edge \/ Firefox\u306f\u5bfe\u5fdc\u3057\u3066\u304a\u308a\u3001safari\u306f\u975e\u5bfe\u5fdc\u306a\u70b9\u306b\u6ce8\u610f\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9<\/h2>\n<h3>Fullscreen API<\/h3>\n<p><a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/API\/Fullscreen_API\" target=\"_blank\" rel=\"noopener\">https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/API\/Fullscreen_API<\/a><\/p>\n<h3>Document: fullscreenElement property<\/h3>\n<p><a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/API\/Document\/fullscreenElement\" target=\"_blank\" rel=\"noopener\">https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/API\/Document\/fullscreenElement<\/a><\/p>\n<h3>Element: requestFullscreen() method<\/h3>\n<p><a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/API\/Element\/requestFullscreen\" target=\"_blank\" rel=\"noopener\">https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/API\/Element\/requestFullscreen<\/a><\/p>\n<h3>Document: exitFullscreen() method<\/h3>\n<p><a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/API\/Document\/exitFullscreen\" target=\"_blank\" rel=\"noopener\">https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/API\/Document\/exitFullscreen<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>JavaScript\u306b\u3066\u753b\u50cf\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u30d5\u30eb\u30b9\u30af\u30ea\u30fc\u30f3\u8868\u793a\u3055\u305b\u305f\u304b\u3063\u305f\u3002\u305f\u3060 ... <\/p>\n","protected":false},"author":1,"featured_media":1067,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4],"tags":[91],"class_list":["post-7423","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-javascript","tag-image"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" 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content=\"JavaScript\u306b\u3066\u753b\u50cf\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u30d5\u30eb\u30b9\u30af\u30ea\u30fc\u30f3\u8868\u793a\u3055\u305b\u305f\u304b\u3063\u305f\u3002\u305f\u3060\u306e\u753b\u50cf\u62e1\u5927\u306a\u3089Lightbox\u7cfb\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u5c0e\u5165\u3059\u308b\u304c\u3001\u30d5\u30eb\u30b9\u30af\u30ea\u30fc\u30f3\u8868\u793a\u3068\u3044\u3046\u3053\u3068\u3060\u3063\u305f\u306e\u3067\u4ed6\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u691c\u8a0e\u3057\u3088\u3046\u304b\u3068\u601d\u3044\u304d\u3084\u3001Web API\u3067\u7c21\u5358\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u307f\u305f\u3044\u3002\u4ee5\u4e0b\u306b\u30b5\u30f3\u30d7\u30eb\u3068\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u30e1\u30e2\u3002\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/taitan916.info\/blog\/wp-content\/uploads\/2014\/05\/javascript_logo_unofficial-300x300.png\" \/>\n\t\t<script type=\"application\/ld+json\" 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