{"id":1185,"date":"2023-05-11T14:00:09","date_gmt":"2023-05-11T05:00:09","guid":{"rendered":"https:\/\/freefuntimes.com\/?p=1185"},"modified":"2023-05-11T14:00:12","modified_gmt":"2023-05-11T05:00:12","slug":"select%e3%82%bf%e3%82%b0%e3%82%92%e7%94%a8%e3%81%84%e3%81%9f%e3%82%b9%e3%83%86%e3%83%83%e3%83%97%e5%9e%8b%e3%81%aeqa%e3%82%92jquery%e3%81%a7%e5%ae%9f%e8%a3%85%e3%81%97%e3%81%a6%e3%81%bf%e3%82%8b","status":"publish","type":"post","link":"https:\/\/freefuntimes.com\/?p=1185","title":{"rendered":"select\u30bf\u30b0\u3092\u7528\u3044\u305f\u30b9\u30c6\u30c3\u30d7\u578b\u306eQ&#038;A\u3092jQuery\u3067\u5b9f\u88c5\u3057\u3066\u307f\u308b\uff08\u5099\u5fd8\u9332\uff09"},"content":{"rendered":"\n<p>\u4eca\u56de\u306f\u3001select\u30bf\u30b0\u3092\u7528\u3044\u3066\u3001\u3059\u3067\u306b\u51fa\u3066\u3044\u308b\u9805\u76ee\u306e\u30b8\u30e3\u30f3\u30eb\u3092\u30d7\u30eb\u30c0\u30a6\u30f3\u304b\u3089\u9078\u629e\u3059\u308b\u3068\u3001\u96a0\u308c\u3066\u3044\u308b\u6b21\u306e\u9805\u76ee\u304c\u8868\u793a\u3055\u308c\u3001\u305d\u306e\u8868\u793a\u3055\u308c\u305f\u8cea\u554f\u306e\u9805\u76ee\u3092\u30d7\u30eb\u30c0\u30a6\u30f3\u304b\u3089\u9078\u629e\u3059\u308b\u3068\u3001\u305d\u306e\u8cea\u554f\u306e\u56de\u7b54\u7d50\u679c\u304c\u8868\u793a\u3055\u308c\u308b\u3068\u3044\u3046\u3088\u3046\u306a\u5b9f\u88c5\u3092\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<!--more-->\n\n\n\n<p>\u3053\u306e\u6587\u7ae0\u3060\u3051\u3060\u3068\u5206\u304b\u308a\u306b\u304f\u3044\u3068\u601d\u3044\u307e\u3059\u306e\u3067\u3001\u307e\u305a\u306f\u30c7\u30e2\u3092\u898b\u3066\u3044\u305f\u3060\u304f\u306e\u304c\u3088\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-col-ffffff-color has-col-c-3512-f-background-color has-text-color has-background\" href=\"https:\/\/freefuntimes.com\/demo\/0063_faq\/\" target=\"_blank\" rel=\"noreferrer noopener\">demo<\/a><\/div>\n<\/div>\n\n\n\n<p>\u305f\u3060\u3001\u81ea\u5206\u306e\u5834\u5408\u306f\u3053\u306e\u5b9f\u88c5\u306f\u597d\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u306a\u305c\u304b\u3068\u3044\u3046\u3068\u3001\u521d\u3081\u304b\u3089\u8981\u7d20\u3092\u96a0\u3057\u305f\u72b6\u614b\u306b\u3057\u3066\u3044\u305f\u308a\u3001\u30b9\u30c6\u30c3\u30d7\u3092\u8e0f\u3080\u3068\u3044\u3046\u52d5\u4f5c\u304c\u5fc5\u8981\u306a\u3068\u3053\u308d\u304c\u3001UI\u7684\u306b\u3042\u307e\u308a\u3088\u308d\u3057\u304f\u306a\u3044\u306e\u304b\u306a\u3068\u601d\u3063\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u4eca\u56dejQuery\u3067\u5b9f\u88c5\u3057\u305f\u306e\u306f\u3001JavaScript\u3078\u306e\u5909\u63db\u304c\u4e00\u90e8\u81ea\u5206\u306b\u306f\u96e3\u3057\u3044\u3068\u3053\u308d\u304c\u3042\u3063\u305f\u305f\u3081\u3067\u3059\u3002\u3082\u3063\u3068\u30ec\u30d9\u30eb\u30a2\u30c3\u30d7\u3057\u305f\u3089\u672c\u8a18\u4e8b\u3092\u7d20\u306eJavaScript\u3067\u66f4\u65b0\u3067\u304d\u305f\u3089\u3068\u601d\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u308c\u3067\u306f\u5b9f\u88c5\u306b\u5165\u3063\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<script 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class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #382410;color:#382410\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #382410;color:#382410\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/freefuntimes.com\/?p=1185\/#html%e3%81%ae%e8%a8%98%e8%bf%b0%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6\" >HTML\u306e\u8a18\u8ff0\u306b\u3064\u3044\u3066<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/freefuntimes.com\/?p=1185\/#1%e3%81%a4%e7%9b%ae%e3%81%ae%e7%ae%87%e6%89%80%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6\" >1\u3064\u76ee\u306e\u7b87\u6240\u306b\u3064\u3044\u3066<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/freefuntimes.com\/?p=1185\/#2%e3%81%a4%e7%9b%ae%e3%81%ae%e7%ae%87%e6%89%80%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6\" >2\u3064\u76ee\u306e\u7b87\u6240\u306b\u3064\u3044\u3066<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/freefuntimes.com\/?p=1185\/#%e5%9b%9e%e7%ad%94%e9%83%a8%e5%88%86%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6\" >\u56de\u7b54\u90e8\u5206\u306b\u3064\u3044\u3066<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/freefuntimes.com\/?p=1185\/#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-6\" href=\"https:\/\/freefuntimes.com\/?p=1185\/#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\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;meta name=&quot;robots&quot; content=&quot;index, follow&quot; \/&gt;\n  &lt;title&gt;select\u30bf\u30b0\u3092\u7528\u3044\u305f\u30b9\u30c6\u30c3\u30d7\u578b\u306eQ&A\u5b9f\u88c5&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\n&lt;body&gt;\n  &lt;div class=&quot;bl_question_inner&quot;&gt;\n    &lt;h1&gt;select\u30bf\u30b0\u3092\u7528\u3044\u305f\u30b9\u30c6\u30c3\u30d7\u578b\u306eQ&A\u5b9f\u88c5&lt;\/h1&gt;\n    &lt;!-- 1\u3064\u76ee --&gt;\n    &lt;div id=&quot;genre&quot; class=&quot;bl_queation_area&quot;&gt;\n      &lt;h3 class=&quot;el_h3title&quot;&gt;\u9805\u76ee1\u306b\u3064\u3044\u3066\u9078\u3093\u3067\u304f\u3060\u3055\u3044&lt;\/h3&gt;\n      &lt;div class=&quot;bl_select_inner&quot;&gt;\n        &lt;select id=&quot;q_category&quot; aria-label=&quot;\u8cea\u554f\u30ab\u30c6\u30b4\u30ea\u30fc&quot;&gt;\n          &lt;option value=&quot;&quot;&gt;----&lt;\/option&gt;\n          &lt;option value=&quot;q_category_a&quot;&gt;A\u306b\u3064\u3044\u3066&lt;\/option&gt;\n          &lt;option value=&quot;q_category_b&quot;&gt;B\u306b\u3064\u3044\u3066&lt;\/option&gt;\n          &lt;option value=&quot;q_category_c&quot;&gt;C\u306b\u3064\u3044\u3066&lt;\/option&gt;\n        &lt;\/select&gt;\n      &lt;\/div&gt;\n    &lt;\/div&gt;\n    &lt;!-- 2\u3064\u76ee --&gt;\n    &lt;div id=&quot;question&quot; class=&quot;bl_queation_area hide&quot;&gt;\n      &lt;h3 class=&quot;el_h3title&quot;&gt;\u9805\u76ee2\u306b\u3064\u3044\u3066\u9078\u3093\u3067\u304f\u3060\u3055\u3044&lt;\/h3&gt;\n      &lt;div class=&quot;bl_select_inner&quot;&gt;\n        &lt;!-- A\u306b\u3064\u3044\u3066 --&gt;\n        &lt;select class=&quot;hide&quot; id=&quot;question_a&quot; aria-label=&quot;A\u306b\u3064\u3044\u3066&quot;&gt;\n          &lt;option value=&quot;&quot;&gt;----&lt;\/option&gt;\n          &lt;option value=&quot;question_a01&quot;&gt;A\u306e\u8cea\u554f1\u304c\u5165\u308a\u307e\u3059&lt;\/option&gt;\n          &lt;option value=&quot;question_a02&quot;&gt;A\u306e\u8cea\u554f2\u304c\u5165\u308a\u307e\u3059&lt;\/option&gt;\n          &lt;option value=&quot;question_a03&quot;&gt;A\u306e\u8cea\u554f3\u304c\u5165\u308a\u307e\u3059&lt;\/option&gt;\n        &lt;\/select&gt;\n        &lt;!-- B\u306b\u3064\u3044\u3066 --&gt;\n        &lt;select class=&quot;hide&quot; id=&quot;question_b&quot; aria-label=&quot;B\u306b\u3064\u3044\u3066&quot;&gt;\n          &lt;option value=&quot;&quot;&gt;----&lt;\/option&gt;\n          &lt;option value=&quot;question_b01&quot;&gt;B\u306e\u8cea\u554f1\u304c\u5165\u308a\u307e\u3059&lt;\/option&gt;\n          &lt;option value=&quot;question_b02&quot;&gt;B\u306e\u8cea\u554f2\u304c\u5165\u308a\u307e\u3059&lt;\/option&gt;\n          &lt;option value=&quot;question_b03&quot;&gt;B\u306e\u8cea\u554f3\u304c\u5165\u308a\u307e\u3059&lt;\/option&gt;\n        &lt;\/select&gt;\n        &lt;!-- C\u306b\u3064\u3044\u3066 --&gt;\n        &lt;select class=&quot;hide&quot; id=&quot;question_c&quot; aria-label=&quot;C\u306b\u3064\u3044\u3066&quot;&gt;\n          &lt;option value=&quot;&quot;&gt;----&lt;\/option&gt;\n          &lt;option value=&quot;question_c01&quot;&gt;C\u306e\u8cea\u554f1\u304c\u5165\u308a\u307e\u3059&lt;\/option&gt;\n          &lt;option value=&quot;question_c02&quot;&gt;C\u306e\u8cea\u554f2\u304c\u5165\u308a\u307e\u3059&lt;\/option&gt;\n          &lt;option value=&quot;question_c03&quot;&gt;C\u306e\u8cea\u554f3\u304c\u5165\u308a\u307e\u3059&lt;\/option&gt;\n        &lt;\/select&gt;\n      &lt;\/div&gt;\n    &lt;\/div&gt;\n    &lt;!-- \u56de\u7b54 --&gt;\n    &lt;div id=&quot;answer&quot; class=&quot;bl_answer_area hide&quot;&gt;\n      &lt;div class=&quot;answer&quot;&gt;\n        &lt;!-- A\u306b\u3064\u3044\u3066 --&gt;\n        &lt;div data-category=&quot;question_a&quot;&gt;\n          &lt;div class=&quot;ly_inner hide&quot;&gt;\n            &lt;p&gt;A\u306e\u8cea\u554f1\u306e\u56de\u7b54\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;\/div&gt;\n          &lt;div class=&quot;ly_inner hide&quot;&gt;\n            &lt;p&gt;A\u306e\u8cea\u554f2\u306e\u56de\u7b54\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;\/div&gt;\n          &lt;div class=&quot;ly_inner hide&quot;&gt;\n            &lt;p&gt;A\u306e\u8cea\u554f3\u306e\u56de\u7b54\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;\/div&gt;\n        &lt;\/div&gt;\n        &lt;!-- B\u306b\u3064\u3044\u3066 --&gt;\n        &lt;div data-category=&quot;question_b&quot;&gt;\n          &lt;div class=&quot;ly_inner hide&quot;&gt;\n            &lt;p&gt;B\u306e\u8cea\u554f1\u306e\u56de\u7b54\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;\/div&gt;\n          &lt;div class=&quot;ly_inner hide&quot;&gt;\n            &lt;p&gt;B\u306e\u8cea\u554f2\u306e\u56de\u7b54\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;\/div&gt;\n          &lt;div class=&quot;ly_inner hide&quot;&gt;\n            &lt;p&gt;B\u306e\u8cea\u554f3\u306e\u56de\u7b54\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;\/div&gt;\n        &lt;\/div&gt;\n        &lt;!-- C\u306b\u3064\u3044\u3066 --&gt;\n        &lt;div data-category=&quot;question_c&quot;&gt;\n          &lt;div class=&quot;ly_inner hide&quot;&gt;\n            &lt;p&gt;C\u306e\u8cea\u554f1\u306e\u56de\u7b54\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;\/div&gt;\n          &lt;div class=&quot;ly_inner hide&quot;&gt;\n            &lt;p&gt;C\u306e\u8cea\u554f2\u306e\u56de\u7b54\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;\/div&gt;\n          &lt;div class=&quot;ly_inner hide&quot;&gt;\n            &lt;p&gt;C\u306e\u8cea\u554f3\u306e\u56de\u7b54\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n          &lt;\/div&gt;\n        &lt;\/div&gt;\n      &lt;\/div&gt;\n    &lt;\/div&gt;\n  &lt;\/div&gt;\n  &lt;script src=&quot;https:\/\/ajax.googleapis.com\/ajax\/libs\/jquery\/3.6.4\/jquery.min.js&quot;&gt;&lt;\/script&gt;\n  &lt;script src=&quot;style.js&quot;&gt;&lt;\/script&gt;\n&lt;\/body&gt;\n\n&lt;\/html&gt;<\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1%e3%81%a4%e7%9b%ae%e3%81%ae%e7%ae%87%e6%89%80%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6\"><\/span>1\u3064\u76ee\u306e\u7b87\u6240\u306b\u3064\u3044\u3066<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>id\u306egenru\u30fbq_category\u3001value\u306e\u7a7a\u767d\u3001q_category_a\u301cq_category_c\u3092\u8a18\u8f09\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4efb\u610f\u306e\u540d\u524d\u3067OK\u3067\u3059\u30022\u3064\u76ee\u4ee5\u964d\u306e\u540d\u524d\u3068\u88ab\u3089\u306a\u3044\u3088\u3046\u306b\u3064\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\"><code>&lt;!-- 1\u3064\u76ee --&gt;\n&lt;div id=&quot;genre&quot; class=&quot;bl_queation_area&quot;&gt;\n  &lt;h3 class=&quot;el_h3title&quot;&gt;\u9805\u76ee1\u306b\u3064\u3044\u3066\u9078\u3093\u3067\u304f\u3060\u3055\u3044&lt;\/h3&gt;\n  &lt;div class=&quot;bl_select_inner&quot;&gt;\n    &lt;select id=&quot;q_category&quot; aria-label=&quot;\u8cea\u554f\u30ab\u30c6\u30b4\u30ea\u30fc&quot;&gt;\n      &lt;option value=&quot;&quot;&gt;----&lt;\/option&gt;\n      &lt;option value=&quot;q_category_a&quot;&gt;A\u306b\u3064\u3044\u3066&lt;\/option&gt;\n      &lt;option value=&quot;q_category_b&quot;&gt;B\u306b\u3064\u3044\u3066&lt;\/option&gt;\n      &lt;option value=&quot;q_category_c&quot;&gt;C\u306b\u3064\u3044\u3066&lt;\/option&gt;\n    &lt;\/select&gt;\n  &lt;\/div&gt;\n&lt;\/div&gt;<\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2%e3%81%a4%e7%9b%ae%e3%81%ae%e7%ae%87%e6%89%80%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6\"><\/span>2\u3064\u76ee\u306e\u7b87\u6240\u306b\u3064\u3044\u3066<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>id\u306equestion\u3001class\u306ehide\u3092\u4ed8\u4e0e\u3057\u307e\u3059\u3002\u3053\u3061\u3089\u3082\u540d\u524d\u306f\u4efb\u610f\u3067OK\u3067\u3059\u3002hide\u306f\u8981\u7d20\u3092\u96a0\u3057\u3066\u304a\u304f\u305f\u3081\u306b\u4ed8\u4e0e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\"><code>&lt;!-- 2\u3064\u76ee --&gt;\n&lt;div id=&quot;question&quot; class=&quot;bl_queation_area hide&quot;&gt;<\/code><\/pre><\/div>\n\n\n\n<p>\u7d9a\u3044\u3066\u3001\u540c\u69d8\u306e\u8003\u3048\u65b9\u3067\u4e0b\u8a18\u306e\u3088\u3046\u306bid\u3001value\u306a\u3069\u306e\u540d\u524d\u3092\u3064\u3051\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\"><code>&lt;!-- A\u306b\u3064\u3044\u3066 --&gt;\n&lt;select class=&quot;hide&quot; id=&quot;question_a&quot; aria-label=&quot;A\u306b\u3064\u3044\u3066&quot;&gt;\n  &lt;option value=&quot;&quot;&gt;----&lt;\/option&gt;\n  &lt;option value=&quot;question_a01&quot;&gt;A\u306e\u8cea\u554f1\u304c\u5165\u308a\u307e\u3059&lt;\/option&gt;\n  &lt;option value=&quot;question_a02&quot;&gt;A\u306e\u8cea\u554f2\u304c\u5165\u308a\u307e\u3059&lt;\/option&gt;\n  &lt;option value=&quot;question_a03&quot;&gt;A\u306e\u8cea\u554f3\u304c\u5165\u308a\u307e\u3059&lt;\/option&gt;\n&lt;\/select&gt;\n&lt;!-- B\u306b\u3064\u3044\u3066 --&gt;\n&lt;select class=&quot;hide&quot; id=&quot;question_b&quot; aria-label=&quot;B\u306b\u3064\u3044\u3066&quot;&gt;\n  &lt;option value=&quot;&quot;&gt;----&lt;\/option&gt;\n  &lt;option value=&quot;question_b01&quot;&gt;B\u306e\u8cea\u554f1\u304c\u5165\u308a\u307e\u3059&lt;\/option&gt;\n  &lt;option value=&quot;question_b02&quot;&gt;B\u306e\u8cea\u554f2\u304c\u5165\u308a\u307e\u3059&lt;\/option&gt;\n  &lt;option value=&quot;question_b03&quot;&gt;B\u306e\u8cea\u554f3\u304c\u5165\u308a\u307e\u3059&lt;\/option&gt;\n&lt;\/select&gt;<\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%e5%9b%9e%e7%ad%94%e9%83%a8%e5%88%86%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6\"><\/span>\u56de\u7b54\u90e8\u5206\u306b\u3064\u3044\u3066<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u6700\u5f8c\u306e\u56de\u7b54\u90e8\u5206\u3082\u540c\u3058\u6d41\u308c\u3067\u540d\u524d\u3092\u3064\u3051\u3066\u3044\u304d\u307e\u3059\u3002<br>\u6ce8\u610f\u70b9\u3068\u3057\u3066\u306f\u30012\u306e\u7b87\u6240\u3067\u3064\u3051\u305fid\u306e\u540d\u524d\u3068\u3001\u4eca\u56de\u4e0b\u8a18\u3067\u3064\u3051\u308bdata-category\u306e\u540d\u524d\u3092\u4e00\u81f4\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e0b\u8a18\u306e\u4f8b\u3067\u306fquestion_a\u3092\u4e00\u81f4\u3055\u305b\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\"><code>&lt;!-- A\u306b\u3064\u3044\u3066 --&gt;\n&lt;!-- 2\u3064\u76ee --&gt;\n&lt;select class=&quot;hide&quot; id=&quot;question_a&quot; aria-label=&quot;A\u306b\u3064\u3044\u3066&quot;&gt;\n&lt;\/select&gt;\n\n&lt;!-- \u56de\u7b54 --&gt;\n&lt;div data-category=&quot;question_a&quot;&gt;\n  &lt;div class=&quot;ly_inner hide&quot;&gt;\n    &lt;p&gt;A\u306e\u8cea\u554f1\u306e\u56de\u7b54\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n  &lt;\/div&gt;\n  &lt;div class=&quot;ly_inner hide&quot;&gt;\n    &lt;p&gt;A\u306e\u8cea\u554f2\u306e\u56de\u7b54\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n  &lt;\/div&gt;\n  &lt;div class=&quot;ly_inner hide&quot;&gt;\n    &lt;p&gt;A\u306e\u8cea\u554f3\u306e\u56de\u7b54\u304c\u5165\u308a\u307e\u3059&lt;\/p&gt;\n  &lt;\/div&gt;\n&lt;\/div&gt;\n<\/code><\/pre><\/div>\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-css\" data-lang=\"CSS\"><code>@charset &quot;utf-8&quot;;\n\nbody {\n  color: #222;\n}\nh1 {\n  font-size: 20px;\n  font-weight: bold;\n}\nselect:focus {\n  outline: 3px solid blue;\n}\n.bl_question_inner {\n  width: min(100%, 800px);\n  margin: 40px auto;\n  padding: 16px;\n}\n\n.bl_queation_area {\n  background-color: #ccc;\n  padding: 24px;\n  margin-top: 40px;\n}\n\n.bl_queation_area.hide {\n  display: none;\n}\n\n.el_h3title {\n  font-weight: bold;\n  margin-bottom: 16px;\n}\n\n.bl_select_inner {\n  position: relative;\n  background: #fff;\n  border: 1px solid #222;\n  font-size: 14px;\n}\n\n.bl_select_inner::after {\n  content: &quot;&quot;;\n  position: absolute;\n  top: 50%;\n  right: 25px;\n  transform: translateY(-50%);\n  width: 0;\n  height: 0;\n  border-style: solid;\n  border-width: 10px 8px 0 8px;\n  border-color: #222 rgba(0, 0, 0, 0) rgba(0, 0, 0, 0) rgba(0, 0, 0, 0);\n}\n\n.bl_select_inner select {\n  width: 100%;\n  padding: 25px 45px 25px 25px;\n}\n\n.bl_select_inner select.hide {\n  display: none;\n}\n\n.bl_answer_area {\n  position: relative;\n  padding: 24px;\n  border: 1px solid #222;\n  margin-top: 40px;\n  width: 100%;\n  display: flex;\n  align-items: center;\n}\n\n.bl_answer_area.hide {\n  display: none;\n}\n\n.bl_answer_area::before {\n  content: &quot;A.&quot;;\n  font-size: 14px;\n  color: #222;\n  padding-right: 10px;\n  line-height: 1.3;\n  align-self: flex-start;\n}\n\n.ly_inner p {\n  font-size: 14px;\n}\n\n.ly_inner.hide {\n  display: none;\n}<\/code><\/pre><\/div>\n\n\n\n<p>\u30dd\u30a4\u30f3\u30c8\u306fhide\u306eclass\u304c\u4ed8\u4e0e\u3055\u308c\u308b\u3068\u304d\u306b\u3001\u8981\u7d20\u304c\u975e\u8868\u793a\u306b\u306a\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u308b\u3068\u3053\u308d\u3067\u3059\u3002<\/p>\n\n\n\n<p>transition\u3092\u52b9\u304b\u305b\u305f\u3044\u5834\u5408\u306f\u3001display \u3060\u3068\u3046\u307e\u304f\u3044\u304d\u307e\u305b\u3093\u306e\u3067\u5225\u30a2\u30d7\u30ed\u30fc\u30c1\u304b\u3089\u5bfe\u5fdc\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4eca\u56de\u306f\u672c\u8a18\u4e8b\u306e\u8da3\u65e8\u3068\u7570\u306a\u308b\u305f\u3081\u89e3\u8aac\u306f\u3057\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-css\" data-lang=\"CSS\"><code>.bl_queation_area.hide {\n  display: none;\n}\n.bl_select_inner select.hide {\n  display: none;\n}\n.bl_answer_area.hide {\n  display: none;\n}\n.ly_inner.hide {\n  display: none;\n}<\/code><\/pre><\/div>\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>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>document.addEventListener(&quot;DOMContentLoaded&quot;, () =&gt; {\n  const qCategory = document.getElementById(&quot;q_category&quot;);\n  const genre = document.getElementById(&quot;genre&quot;);\n  const question = document.getElementById(&quot;question&quot;);\n  const answer = document.querySelector(&quot;#answer&quot;);\n\n  \/\/ 1\u3064\u76ee\n  qCategory.addEventListener(&quot;change&quot;, () =&gt; {\n    let q_index = qCategory.selectedIndex;\n\n    answer.classList.add(&quot;hide&quot;);\n    const innerElements = document.querySelectorAll(\n      &quot;#answer .answer .ly_inner&quot;\n    );\n    innerElements.forEach((element) =&gt; {\n      element.classList.add(&quot;hide&quot;);\n    });\n\n    document.querySelector(&quot;#question .bl_select_inner select&quot;).value = &quot;&quot;; \/\/ \u30bb\u30ec\u30af\u30c8\u30dc\u30c3\u30af\u30b9\u9078\u629e\u89e3\u9664\n\n    if (q_index !== 0) {\n      question.classList.remove(&quot;hide&quot;);\n    } else {\n      question.classList.add(&quot;hide&quot;);\n      answer.classList.add(&quot;hide&quot;);\n    }\n\n    select = $(&quot;#question .bl_select_inner select&quot;).eq(q_index - 1);\n    select_id = $(select).attr(&quot;id&quot;);\n    nonselect = $(&quot;#question .bl_select_inner select&quot;).not(select);\n\n    $(select).removeClass(&quot;hide&quot;);\n    $(nonselect).addClass(&quot;hide&quot;);\n  });\n\n  \/\/ 2\u3064\u76ee\n  $(&quot;#question .bl_select_inner select&quot;).on(&quot;change&quot;, function () {\n    a_index = this.selectedIndex;\n    if (a_index !== 0) {\n      question.classList.remove(&quot;hide&quot;);\n      answer.classList.remove(&quot;hide&quot;);\n    } else {\n      question.classList.add(&quot;hide&quot;);\n      answer.classList.add(&quot;hide&quot;);\n    }\n    a_select = $(&#39;[data-category=&quot;&#39; + select_id + &#39;&quot;] .ly_inner&#39;);\n    a_answers = $(a_select).eq(a_index - 1);\n    a_answer = $(a_answers).removeClass(&quot;hide&quot;);\n    $(a_select).not(a_answer).addClass(&quot;hide&quot;);\n  });\n});\n<\/code><\/pre><\/div>\n\n\n\n<p>\u4eca\u56de\u306f\u5192\u982d\u306buse strict\u3092\u5ba3\u8a00\u3059\u308b\u3068\u4e0a\u624b\u304f\u52d5\u4f5c\u3057\u306a\u304b\u3063\u305f\u305f\u3081\u7701\u7565\u3057\u3066\u3044\u307e\u3059\u3002\u81ea\u5206\u306b\u306f\u539f\u56e0\u304c\u7279\u5b9a\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u304c\u3001\u4eca\u5f8c\u89e3\u6c7a\u306e\u7cf8\u53e3\u304c\u3064\u304b\u3081\u305f\u3089\u672c\u8a18\u4e8b\u3092\u66f4\u65b0\u3057\u305f\u3044\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6700\u521d\u306b\u3001const\u3067\u5909\u6570\u3092\u5b9a\u7fa9\u3057\u3066\u4f7f\u3044\u56de\u305b\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e0b\u8a18\u306f1\u3064\u76ee\u306e\u8cea\u554f\u30ab\u30c6\u30b4\u30ea\u30fc\u306e\u30d7\u30eb\u30c0\u30a6\u30f3\u3092\u5909\u66f4\u3057\u305f\u3068\u304d\u306b\u51e6\u7406\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>qCategory.addEventListener(&quot;change&quot;, () =&gt; {\n  \/\/ \u4e2d\u8eab\n});<\/code><\/pre><\/div>\n\n\n\n<p>\u4e0b\u8a18\u3067\u306f\u30011\u3064\u76ee\u306e\u8cea\u554f\u30ab\u30c6\u30b4\u30ea\u30fc\u306e\u30d7\u30eb\u30c0\u30a6\u30f3\u3092\u5909\u66f4\u3057\u305f\u3068\u304d\u306b\u30012\u3064\u76ee\u4ee5\u964d\u306e\u8981\u7d20\u304c\u3059\u3079\u3066\u96a0\u308c\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u308b\u7b87\u6240\u3067\u3059\u3002\u305d\u306e\u5f8c\u306b\u8868\u793a\u3055\u305b\u308b\u51e6\u7406\u3092\u884c\u3063\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>let q_index = qCategory.selectedIndex;\n\nanswer.classList.add(&quot;hide&quot;);\nconst innerElements = document.querySelectorAll(\n  &quot;#answer .answer .ly_inner&quot;\n);\ninnerElements.forEach((element) =&gt; {\n  element.classList.add(&quot;hide&quot;);\n});<\/code><\/pre><\/div>\n\n\n\n<p>\u4e0b\u8a18\u3067\u30012\u3064\u76ee\u3092\u8868\u793a\u3055\u305b\u308b\u51e6\u7406\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<br>\u300cA\u306b\u3064\u3044\u3066\u300d\u3092\u9078\u3093\u3060\u3068\u304d\u306bA\u306e\u8cea\u554f\u9805\u76ee\u304c\u3001\u300cB\u306b\u3064\u3044\u3066\u300d\u3092\u9078\u3093\u3060\u3068\u304d\u306bB\u306e\u8cea\u554f\u9805\u76ee\u304c\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>eq\u306e\u3068\u3053\u308d\u3067\u3001q_index &#8211; 1\u3068\u3057\u3066\u3044\u308b\u306e\u306f\u3001JavaScript\u306e\u914d\u5217\u306e\u9806\u756a\u304c0\u304b\u3089\u59cb\u307e\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u901a\u5e381\u756a\u76ee\u30012\u756a\u76ee\u3068\u59cb\u307e\u308b\u3068\u3053\u308d\u3001JavaScript\u3067\u306f0\u756a\u76ee\u30011\u756a\u76ee\u3068\u59cb\u307e\u308b\u305f\u3081\u3001\u305d\u306e\u5dee\u7570\u30921\u305a\u3089\u3059\u305f\u3081\u30de\u30a4\u30ca\u30b91\u3092\u5165\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>if (q_index !== 0) {\n  question.classList.remove(&quot;hide&quot;);\n} else {\n  question.classList.add(&quot;hide&quot;);\n  answer.classList.add(&quot;hide&quot;);\n}\n\nselect = $(&quot;#question .bl_select_inner select&quot;).eq(q_index - 1);\nselect_id = $(select).attr(&quot;id&quot;);\nnonselect = $(&quot;#question .bl_select_inner select&quot;).not(select);\n\n$(select).removeClass(&quot;hide&quot;);\n$(nonselect).addClass(&quot;hide&quot;);<\/code><\/pre><\/div>\n\n\n\n<p>\u4e0b\u8a18\u306e2\u3064\u76ee\u306e\u51e6\u7406\u306fjQuery\u3067\u306e\u66f8\u304d\u65b9\u3067\u3059\u304c\u30011\u3064\u76ee\u3068\u540c\u69d8\u3067\u30012\u3064\u76ee\u306e\u30d7\u30eb\u30c0\u30a6\u30f3\u3092\u5909\u66f4\u3057\u305f\u3068\u304d\u306b\u51e6\u7406\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>$(&quot;#question .bl_select_inner select&quot;).on(&quot;change&quot;, function () {\n  \/\/ \u4e2d\u8eab\n});<\/code><\/pre><\/div>\n\n\n\n<p>\u4e2d\u8eab\u306e\u51e6\u7406\u306b\u3064\u3044\u3066\u306f\u30011\u3064\u76ee\u306e\u3068\u304d\u3068\u3042\u307e\u308a\u5909\u308f\u308a\u307e\u305b\u3093\u3002<br>\u56de\u7b54\u90e8\u5206\u30922\u3064\u76ee\u3068\u9023\u52d5\u3055\u305b\u3066\u8868\u793a\u3055\u305b\u308b\u305f\u3081\u306e\u5185\u5bb9\u304c\u8a18\u8ff0\u3055\u308c\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3042\u307e\u308a\u9700\u8981\u306e\u306a\u3044\u8a18\u4e8b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u5b9f\u969b\u306b\u5b9f\u52d9\u3067\u4f7f\u3044\u307e\u3057\u305f\u306e\u3067\u5099\u5fd8\u9332\u3068\u3057\u3066\u6b8b\u3057\u3066\u304a\u304d\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4eca\u56de\u306f\u3001select\u30bf\u30b0\u3092\u7528\u3044\u3066\u3001\u3059\u3067\u306b\u51fa\u3066\u3044\u308b\u9805\u76ee\u306e\u30b8\u30e3\u30f3\u30eb\u3092\u30d7\u30eb\u30c0\u30a6\u30f3\u304b\u3089\u9078\u629e\u3059\u308b\u3068\u3001\u96a0\u308c\u3066\u3044\u308b\u6b21\u306e\u9805\u76ee\u304c\u8868\u793a\u3055\u308c\u3001\u305d\u306e\u8868\u793a\u3055\u308c\u305f\u8cea\u554f\u306e\u9805\u76ee\u3092\u30d7\u30eb\u30c0\u30a6\u30f3\u304b\u3089\u9078\u629e\u3059\u308b\u3068\u3001\u305d\u306e\u8cea\u554f\u306e\u56de\u7b54\u7d50\u679c\u304c\u8868\u793a\u3055\u308c\u308b\u3068\u3044\u3046\u3088\u3046\u306a\u5b9f\u88c5\u3092 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1186,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29,33,34,37],"tags":[],"class_list":["post-1185","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-web","category-html","category-css","category-jquery"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/freefuntimes.com\/index.php?rest_route=\/wp\/v2\/posts\/1185"}],"collection":[{"href":"https:\/\/freefuntimes.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/freefuntimes.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/freefuntimes.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/freefuntimes.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1185"}],"version-history":[{"count":2,"href":"https:\/\/freefuntimes.com\/index.php?rest_route=\/wp\/v2\/posts\/1185\/revisions"}],"predecessor-version":[{"id":1188,"href":"https:\/\/freefuntimes.com\/index.php?rest_route=\/wp\/v2\/posts\/1185\/revisions\/1188"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/freefuntimes.com\/index.php?rest_route=\/wp\/v2\/media\/1186"}],"wp:attachment":[{"href":"https:\/\/freefuntimes.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1185"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/freefuntimes.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1185"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/freefuntimes.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}