{"id":662,"date":"2021-12-18T10:01:51","date_gmt":"2021-12-18T01:01:51","guid":{"rendered":"https:\/\/freefuntimes.com\/?p=662"},"modified":"2022-04-16T19:52:35","modified_gmt":"2022-04-16T10:52:35","slug":"sessionstorage%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6%e5%88%9d%e5%9b%9e%e3%81%a0%e3%81%91%e8%a1%a8%e7%a4%ba%e3%81%95%e3%82%8c%e3%82%8b%e3%83%a2%e3%83%bc%e3%83%80%e3%83%ab%ef%bc%88%e3%83%9d%e3%83%83","status":"publish","type":"post","link":"https:\/\/freefuntimes.com\/?p=662","title":{"rendered":"sessionStorage\u3092\u4f7f\u3063\u3066\u521d\u56de\u3060\u3051\u8868\u793a\u3055\u308c\u308b\u30e2\u30fc\u30c0\u30eb\uff08\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\uff09\u30a6\u30a3\u30f3\u30c9\u30a6\u3092JavaScript\u3067\u5b9f\u88c5\u3057\u3066\u307f\u308b\uff08\u5099\u5fd8\u9332\uff09"},"content":{"rendered":"\n<p>\u4eca\u56de\u306f<meta charset=\"utf-8\">JavaScript\u3092\u7528\u3044\u3066\u3001 sessionStorage\u3092\u4f7f\u3063\u3066\u521d\u56de\u3060\u3051\u8868\u793a\u3055\u308c\u308b\u30e2\u30fc\u30c0\u30eb\uff08\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\uff09\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u5b9f\u88c5\u3057\u3066\u307f\u308b\u3002<\/p>\n\n\n\n<!--more-->\n\n\n\n<p>\u305f\u3060\u3057\u3001\u30d6\u30e9\u30a6\u30b6\u3092\u9589\u3058\u308c\u3070\u30ea\u30bb\u30c3\u30c8\u3055\u308c\u3001\u3082\u3046\u4e00\u5ea6\u30d6\u30e9\u30a6\u30b6\u3092\u958b\u304f\u3068\u30e2\u30fc\u30c0\u30eb\uff08\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\uff09\u30a6\u30a3\u30f3\u30c9\u30a6\u304c\u8aad\u307f\u8fbc\u307e\u308c\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p>\u3064\u307e\u308a\u3001\u30d6\u30e9\u30a6\u30b6\u3092\u9589\u3058\u306a\u3051\u308c\u3070\u30012\u56de\u76ee\u306e\u8aad\u307f\u8fbc\u307f\u4ee5\u964d\u306f\u30e2\u30fc\u30c0\u30eb\uff08\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\uff09\u30a6\u30a3\u30f3\u30c9\u30a6\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p>\u4ee5\u524d\u5bfe\u5fdc\u3057\u305f\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u753b\u9762\u306e\u6642\u3068\u307b\u307c\u540c\u3058\u5bfe\u5fdc\u3067\u5b9f\u73fe\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<p><a 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class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/freefuntimes.com\/?p=662\/#css%e3%81%ae%e8%a8%98%e8%bf%b0%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6\" >css\u306e\u8a18\u8ff0\u306b\u3064\u3044\u3066<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/freefuntimes.com\/?p=662\/#javascript%e3%81%ae%e8%a8%98%e8%bf%b0%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6\" >JavaScript\u306e\u8a18\u8ff0\u306b\u3064\u3044\u3066<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"html%e3%81%ae%e8%a8%98%e8%bf%b0%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6\"><\/span>html\u306e\u8a18\u8ff0\u306b\u3064\u3044\u3066<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\"><code>&lt;!DOCTYPE html&gt;\n&lt;html lang=&quot;ja&quot;&gt;\n&lt;head&gt;\n  &lt;meta charset=&quot;UTF-8&quot;&gt;\n  &lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0&quot;&gt;\n  &lt;title&gt;\u30e2\u30fc\u30c0\u30eb\uff08\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\uff09\u30a6\u30a3\u30f3\u30c9\u30a6&lt;\/title&gt;\n  &lt;link rel=&quot;stylesheet&quot; href=&quot;..\/reset.css&quot;&gt;\n  &lt;link rel=&quot;stylesheet&quot; href=&quot;style.css&quot;&gt;\n&lt;\/head&gt;\n&lt;body&gt;\n  &lt;main&gt;\n    &lt;!-- \u30e2\u30fc\u30c0\u30eb\uff08\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\uff09\u306e\u5185\u5bb9 --&gt;\n    &lt;div class=&quot;js_modalWrap&quot; id=&quot;js_modalWrap&quot;&gt;\n      &lt;div class=&quot;js_modalBG&quot; id=&quot;js_modalBG&quot;&gt;&lt;\/div&gt;\n      &lt;div class=&quot;js_modalContInner&quot;&gt;\n        &lt;span class=&quot;js_modalClose&quot; id=&quot;js_modalClose&quot;&gt;&lt;\/span&gt;\n        &lt;div class=&quot;js_modalCont&quot;&gt;\n          &lt;p&gt;&lt;img src=&quot;img_sample01.jpg&quot; alt=&quot;&quot;&gt;&lt;\/p&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u30c6\u30ad\u30b9\u30c8&lt;\/p&gt;\n        &lt;\/div&gt;\n      &lt;\/div&gt;\n    &lt;\/div&gt;\n    &lt;!-- \/\/\u30e2\u30fc\u30c0\u30eb\uff08\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\uff09\u306e\u5185\u5bb9 --&gt;\n    &lt;section&gt;\n      &lt;div class=&quot;ly_inner&quot; id=&quot;menu1&quot;&gt;\n        &lt;h2&gt;menu1&lt;\/h2&gt;\n        &lt;div class=&quot;md_textblock&quot;&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n        &lt;\/div&gt;\n      &lt;\/div&gt;\n    &lt;\/section&gt;\n    &lt;section&gt;\n      &lt;div class=&quot;ly_inner&quot; id=&quot;menu2&quot;&gt;\n        &lt;h2&gt;menu2&lt;\/h2&gt;\n        &lt;div class=&quot;md_textblock&quot;&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n        &lt;\/div&gt;\n      &lt;\/div&gt;\n    &lt;\/section&gt;\n    &lt;section&gt;\n      &lt;div class=&quot;ly_inner&quot; id=&quot;menu3&quot;&gt;\n        &lt;h2&gt;menu3&lt;\/h2&gt;\n        &lt;div class=&quot;md_textblock&quot;&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n        &lt;\/div&gt;\n      &lt;\/div&gt;\n    &lt;\/section&gt;\n    &lt;section&gt;\n      &lt;div class=&quot;ly_inner&quot; id=&quot;menu4&quot;&gt;\n        &lt;h2&gt;menu4&lt;\/h2&gt;\n        &lt;div class=&quot;md_textblock&quot;&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n        &lt;\/div&gt;\n      &lt;\/div&gt;\n    &lt;\/section&gt;\n    &lt;section&gt;\n      &lt;div class=&quot;ly_inner&quot; id=&quot;menu5&quot;&gt;\n        &lt;h2&gt;menu5&lt;\/h2&gt;\n        &lt;div class=&quot;md_textblock&quot;&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;p&gt;\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059\u30c6\u30ad\u30b9\u30c8\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n        &lt;\/div&gt;\n      &lt;\/div&gt;\n    &lt;\/section&gt;\n  &lt;\/main&gt;\n  &lt;script src=&quot;style.js&quot;&gt;&lt;\/script&gt;\n&lt;\/body&gt;\n&lt;\/html&gt;\n<\/code><\/pre><\/div>\n\n\n\n<p>html\u306e\u8a18\u8ff0\u306f\u524d\u56de\u306e\u8a18\u4e8b\u3068\u5168\u304f\u4e00\u7dd2\u306e\u305f\u3081\u3001\u89e3\u8aac\u306f\u5272\u611b\u3059\u308b\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/freefuntimes.com\/?p=658\" target=\"_blank\" rel=\"noreferrer noopener\">\u524d\u56de\u306e\u8a18\u4e8b\u306f\u3053\u3061\u3089<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"css%e3%81%ae%e8%a8%98%e8%bf%b0%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6\"><\/span>css\u306e\u8a18\u8ff0\u306b\u3064\u3044\u3066<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>@charset &quot;utf-8&quot;;\n\n\/* ==========================\n  \u521d\u671f\u8a2d\u5b9a\n========================== *\/\n*,\n*::before,\n*::after {\n  box-sizing: border-box;\n}\nimg {\n  width: 100%;\n}\n\n\/* ==========================\n  \u30e2\u30fc\u30c0\u30eb\uff08\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\uff09\n========================== *\/\n.js_modalBtnWrap {\n  width: 300px;\n  max-width: 100%;\n  margin: 0 auto;\n  text-align: center;\n}\n.js_modalWrap {\n  opacity: 0;\n  z-index: -1;\n  position: fixed;\n  left: 0;\n  top: 0;\n  width: 100%;\n  height: 100%;\n}\n.js_modalWrap.active {\n  animation: modalOpen 0.3s ease forwards;\n}\n.js_modalWrap.active2 {\n  animation: modalClose 0.3s ease forwards;\n}\n.js_modalBG {\n  position: absolute;\n  top: 0;\n  left: 0;\n  width: 100%;\n  height: 100%;\n  background-color: rgba(0, 0, 0, 0.6);\n}\n.js_modalContInner {\n  position: absolute;\n  top: 50%;\n  left: 50%;\n  transform: translateX(-50%) translateY(-50%);\n  width: 720px;\n  max-width: 100%;\n  background-color: #fff;\n  max-height: 600px;\n  padding: 40px;\n}\n.js_modalCont {\n  overflow-y: scroll;\n  max-height: 520px;\n}\n.js_modalCont &gt; * + * {\n  margin-top: 10px;\n}\n.js_modalContInner &gt; .js_modalClose + * {\n  margin-top: 0;\n}\n.js_modalClose {\n  display: block;\n  position: absolute;\n  top: 10.5px;\n  right: 10.5px;\n  width: 20px;\n  height: 20px;\n  overflow: hidden;\n  cursor: pointer;\n  z-index: 1001;\n}\n.js_modalClose::before,\n.js_modalClose::after {\n  content: &quot;&quot;;\n  background-color: #222;\n  position: absolute;\n  top: -5px;\n  right: 10px;\n  width: 1px;\n  height: 30px;\n}\n.js_modalClose::before {\n  transform: rotate(45deg);\n}\n.js_modalClose::after {\n  transform: rotate(-45deg);\n}\n\n@keyframes modalOpen {\n  0% {\n    opacity: 0;\n  }\n  100% {\n    opacity: 1;\n    z-index: 1000;\n  }\n}\n@keyframes modalClose {\n  0% {\n    opacity: 1;\n    z-index: 1000;\n  }\n  100% {\n    opacity: 0;\n  }\n}\n\n\/* ==========================\n  \u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u4e2d\u8eab\n========================== *\/\n.ly_inner {\n  width: 100%;\n  max-width: 1080px;\n  margin: 100px auto;\n  padding: 40px;\n  background-color: #ccc;\n}\n.ly_inner h2 {\n  font-size: 150%;\n  font-weight: bold;\n  margin-bottom: 30px;\n}\n.md_textblock &gt; * + * {\n  margin-top: 10px;\n}\n.md_textblock &gt; * + .js_modalBtnWrap {\n  margin-top: 20px;\n}\n\n\/* PC\u5e45\u306b\u9069\u7528 *\/\n@media (min-width: 768px) {\n  .hp_sp {\n    display: none !important;\n  }\n}\n\/* \u30b9\u30de\u30db\u5e45\u306b\u9069\u7528 *\/\n@media (max-width: 767px) {\n  .hp_pc {\n    display: none !important;\n  }\n  .js_modalContInner {\n    max-height: 400px;\n    padding: 20px;\n  }\n  .js_modalCont {\n    max-height: 360px;\n  }\n  .js_modalClose {\n    top: -30px;\n  }\n  .js_modalClose::before,\n  .js_modalClose::after {\n    background-color: #fff;\n  }\n}\n<\/code><\/pre><\/div>\n\n\n\n<p>css\u306e\u8a18\u8ff0\u306b\u3064\u3044\u3066\u3082\u3001\u524d\u56de\u306e\u8a18\u4e8b\u540c\u69d8\u306e\u305f\u3081\u89e3\u8aac\u306f\u5272\u611b\u3059\u308b\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/freefuntimes.com\/?p=658\" target=\"_blank\" rel=\"noreferrer noopener\">\u524d\u56de\u306e\u8a18\u4e8b\u306f\u3053\u3061\u3089<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"javascript%e3%81%ae%e8%a8%98%e8%bf%b0%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6\"><\/span><meta charset=\"utf-8\">JavaScript\u306e\u8a18\u8ff0\u306b\u3064\u3044\u3066<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>&#39;use strict&#39;;\n\n\/\/ \u30e2\u30fc\u30c0\u30eb\uff08\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\uff09\nconst modalWindow = document.getElementById(&#39;js_modalWrap&#39;);\nconst modalClose = document.getElementById(&#39;js_modalClose&#39;);\nconst modalBG = document.getElementById(&#39;js_modalBG&#39;);\n\nif (!sessionStorage.getItem(&#39;visited&#39;)) {\n  sessionStorage.setItem(&#39;visited&#39;, &#39;first&#39;);\n  window.addEventListener(&#39;load&#39;, function () {\n    modalWindow.classList.add(&#39;active&#39;);\n  });\n}else {\n  window.addEventListener(&#39;load&#39;, function () {\n    modalWindow.classList.remove(&#39;active&#39;);\n  });\n}\n\nmodalBG.addEventListener(&#39;click&#39;, function () {\n  modalWindow.classList.add(&#39;active2&#39;);\n  setTimeout(function() {\n    modalWindow.classList.remove(&#39;active&#39;);\n    modalWindow.classList.remove(&#39;active2&#39;);\n  }, 300);\n})\nmodalClose.addEventListener(&#39;click&#39;, function () {\n  modalWindow.classList.add(&#39;active2&#39;);\n  setTimeout(function() {\n    modalWindow.classList.remove(&#39;active&#39;);\n    modalWindow.classList.remove(&#39;active2&#39;);\n  }, 300);\n})<\/code><\/pre><\/div>\n\n\n\n<p>\u524d\u56de\u3068\u306e\u9055\u3044\u306f\u3001\u4e0b\u8a18\u306e\u8a18\u8ff0\u90e8\u5206\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>if (!sessionStorage.getItem(&#39;visited&#39;)) {\n  sessionStorage.setItem(&#39;visited&#39;, &#39;first&#39;);\n  window.addEventListener(&#39;load&#39;, function () {\n    modalWindow.classList.add(&#39;active&#39;);\n  });\n}else {\n  window.addEventListener(&#39;load&#39;, function () {\n    modalWindow.classList.remove(&#39;active&#39;);\n  });\n}<\/code><\/pre><\/div>\n\n\n\n<p>sessionStorage\u3067\u30da\u30fc\u30b8\u3092\u6700\u521d\u306b\u8aad\u307f\u8fbc\u3093\u3060\u3068\u304d\u306b\u3001key\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u304b\u308c\u3070\u3001key\u3068value\u306e\u5024\u3092\u305d\u308c\u305e\u308cvisited\u3068first\u3068\u8a2d\u5b9a\u3057\u3066\u3001\u30e2\u30fc\u30c0\u30eb\u30a6\u30a3\u30f3\u30c9\u30a6\u304c\u8868\u793a\u3055\u308c\u308b\u3088\u3046active\u306e\u30af\u30e9\u30b9\u304c\u4ed8\u4e0e\u3055\u308c\u308b\u3088\u3046\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p>\u3042\u3068\u306felse\u3067\u305d\u308c\u4ee5\u5916\uff08key\u306bvisted\u306e\u5024\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\uff09\u306e\u5834\u5408\u306b\u3001\u30e2\u30fc\u30c0\u30eb\u30a6\u30a3\u30f3\u30c9\u30a6\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u3088\u3046active\u306e\u30af\u30e9\u30b9\u304c\u53d6\u308a\u9664\u304b\u308c\u308b\u3088\u3046\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u5192\u982d\u3067\u3082\u89e6\u308c\u305f\u304c\u3001sessionStorage\u306b\u3064\u3044\u3066\u306f\u3001\u4e0b\u8a18\u306e\u8a18\u4e8b\u3067\u3082\u3042\u3052\u3066\u3044\u308b\u306e\u3067\u53c2\u8003\u306b\u3057\u3066\u307f\u3066\u6b32\u3057\u3044\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/freefuntimes.com\/?p=637\" target=\"_blank\" rel=\"noreferrer noopener\">\u53c2\u8003\u8a18\u4e8b\u306f\u3053\u3061\u3089<\/a><\/p>\n\n\n\n<p>\u305d\u306e\u4ed6\u306e\u90e8\u5206\u306e\u8a18\u8ff0\u306f\u524d\u56de\u306e\u8a18\u4e8b\u3068\u540c\u69d8\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0a\u3067\u5b9f\u88c5\u5b8c\u4e86\u3060\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4eca\u56de\u306fJavaScript\u3092\u7528\u3044\u3066\u3001 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