{"id":9991,"date":"2024-03-15T04:08:09","date_gmt":"2024-03-14T19:08:09","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/%e5%8e%9f%e7%94%9f%e3%81%aejavascript%e3%81%a7%e3%83%89%e3%83%ad%e3%83%83%e3%83%97%e3%83%80%e3%82%a6%e3%83%b3%e3%83%a1%e3%83%8b%e3%83%a5%e3%83%bc%e3%82%92%e5%ae%9f%e8%a3%85%e3%81%99%e3%82%8b%e6%96%b9\/"},"modified":"2025-08-04T04:50:45","modified_gmt":"2025-08-03T19:50:45","slug":"%e5%8e%9f%e7%94%9f%e3%81%aejavascript%e3%81%a7%e3%83%89%e3%83%ad%e3%83%83%e3%83%97%e3%83%80%e3%82%a6%e3%83%b3%e3%83%a1%e3%83%8b%e3%83%a5%e3%83%bc%e3%82%92%e5%ae%9f%e8%a3%85%e3%81%99%e3%82%8b%e6%96%b9","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/%e5%8e%9f%e7%94%9f%e3%81%aejavascript%e3%81%a7%e3%83%89%e3%83%ad%e3%83%83%e3%83%97%e3%83%80%e3%82%a6%e3%83%b3%e3%83%a1%e3%83%8b%e3%83%a5%e3%83%bc%e3%82%92%e5%ae%9f%e8%a3%85%e3%81%99%e3%82%8b%e6%96%b9\/","title":{"rendered":"JavaScript \u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u30e1\u30cb\u30e5\u30fc\u5b9f\u88c5\u3010\u30b3\u30d4\u30da\u3067\u7c21\u5358\u3011"},"content":{"rendered":"<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684JavaScript\u539f\u751f\u5b9e\u73b0\u4e0b\u62c9\u83dc\u5355\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">&lt;!DOCTYPE <span class=\"hljs-keyword\">html<\/span>&gt;<\/span>\r\n<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">html<\/span>&gt;<\/span>\r\n<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">head<\/span>&gt;<\/span>\r\n<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">style<\/span>&gt;<\/span><span class=\"language-css\">\r\n<span class=\"hljs-selector-class\">.dropdown<\/span> {\r\n  <span class=\"hljs-attribute\">position<\/span>: relative;\r\n  <span class=\"hljs-attribute\">display<\/span>: inline-block;\r\n}\r\n\r\n<span class=\"hljs-selector-class\">.dropdown-content<\/span> {\r\n  <span class=\"hljs-attribute\">display<\/span>: none;\r\n  <span class=\"hljs-attribute\">position<\/span>: absolute;\r\n  <span class=\"hljs-attribute\">background-color<\/span>: <span class=\"hljs-number\">#f9f9f9<\/span>;\r\n  <span class=\"hljs-attribute\">min-width<\/span>: <span class=\"hljs-number\">160px<\/span>;\r\n  <span class=\"hljs-attribute\">box-shadow<\/span>: <span class=\"hljs-number\">0px<\/span> <span class=\"hljs-number\">8px<\/span> <span class=\"hljs-number\">16px<\/span> <span class=\"hljs-number\">0px<\/span> <span class=\"hljs-built_in\">rgba<\/span>(<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0.2<\/span>);\r\n  <span class=\"hljs-attribute\">z-index<\/span>: <span class=\"hljs-number\">1<\/span>;\r\n}\r\n\r\n<span class=\"hljs-selector-class\">.dropdown<\/span><span class=\"hljs-selector-pseudo\">:hover<\/span> <span class=\"hljs-selector-class\">.dropdown-content<\/span> {\r\n  <span class=\"hljs-attribute\">display<\/span>: block;\r\n}\r\n<\/span><span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">style<\/span>&gt;<\/span>\r\n<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">head<\/span>&gt;<\/span>\r\n<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">body<\/span>&gt;<\/span>\r\n\r\n<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">div<\/span> <span class=\"hljs-attr\">class<\/span>=<span class=\"hljs-string\">\"dropdown\"<\/span>&gt;<\/span>\r\n  <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">button<\/span>&gt;<\/span>\u4e0b\u62c9\u83dc\u5355<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">button<\/span>&gt;<\/span>\r\n  <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">div<\/span> <span class=\"hljs-attr\">class<\/span>=<span class=\"hljs-string\">\"dropdown-content\"<\/span>&gt;<\/span>\r\n    <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">a<\/span> <span class=\"hljs-attr\">href<\/span>=<span class=\"hljs-string\">\"#\"<\/span>&gt;<\/span>\u9009\u98791<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">a<\/span>&gt;<\/span>\r\n    <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">a<\/span> <span class=\"hljs-attr\">href<\/span>=<span class=\"hljs-string\">\"#\"<\/span>&gt;<\/span>\u9009\u98792<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">a<\/span>&gt;<\/span>\r\n    <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">a<\/span> <span class=\"hljs-attr\">href<\/span>=<span class=\"hljs-string\">\"#\"<\/span>&gt;<\/span>\u9009\u98793<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">a<\/span>&gt;<\/span>\r\n  <span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">div<\/span>&gt;<\/span>\r\n<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">div<\/span>&gt;<\/span>\r\n\r\n<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">body<\/span>&gt;<\/span>\r\n<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">html<\/span>&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<\/p>\n<div>\n<p>\u8981\u7d20\u3068<button>\u8981\u7d20\u3092\u4f7f\u7528\u3057\u3066\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u30e1\u30cb\u30e5\u30fc\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002CSS\u3067\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u30e1\u30cb\u30e5\u30fc\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u8a2d\u5b9a\u3057\u3001JavaScript\u3067\u30de\u30a6\u30b9\u30db\u30d0\u30fc\u30a4\u30d9\u30f3\u30c8\u3092\u76e3\u8996\u3057\u3066\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u8868\u793a\u304a\u3088\u3073\u975e\u8868\u793a\u306b\u3057\u307e\u3057\u305f\u3002\u30de\u30a6\u30b9\u3092\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u30e1\u30cb\u30e5\u30fc\u306b\u91cd\u306d\u308b\u3068\u3001\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/button><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684JavaScript\u539f\u751f\u5b9e\u73b0\u4e0b\u62c9\u83dc\u5355\u7684\u793a\u4f8b\u4ee3\u7801\uff1a &lt;!DOCTYPE html&gt; &lt;html&gt; &lt;head&gt; &lt;style&gt; .dropdown { pos [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[741,740,56,717,91],"class_list":["post-9991","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-css","tag-html","tag-javascript","tag-717","tag-91"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>JavaScript \u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u30e1\u30cb\u30e5\u30fc\u5b9f\u88c5\u3010\u30b3\u30d4\u30da\u3067\u7c21\u5358\u3011 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" 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