{"id":29659,"date":"2024-03-18T21:50:01","date_gmt":"2024-03-18T12:50:01","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/dropdownlist%e3%81%ab%e3%82%a4%e3%83%99%e3%83%b3%e3%83%88%e3%82%92%e8%bf%bd%e5%8a%a0%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95js\/"},"modified":"2024-03-22T21:30:45","modified_gmt":"2024-03-22T12:30:45","slug":"dropdownlist%e3%81%ab%e3%82%a4%e3%83%99%e3%83%b3%e3%83%88%e3%82%92%e8%bf%bd%e5%8a%a0%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95js","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/dropdownlist%e3%81%ab%e3%82%a4%e3%83%99%e3%83%b3%e3%83%88%e3%82%92%e8%bf%bd%e5%8a%a0%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95js\/","title":{"rendered":"dropDownList()\u306b\u30a4\u30d9\u30f3\u30c8\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5(JS)"},"content":{"rendered":"<p>dropDownList()\u306b\u30a4\u30d9\u30f3\u30c8\u3092\u8ffd\u52a0\u3059\u308b\u306b\u306f\u3001addEventListener()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u307e\u305a\u3001dropDownList\u8981\u7d20\u306e\u53c2\u7167\u3092\u53d6\u5f97\u3057\u3001addEventListener()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30a4\u30d9\u30f3\u30c8\u3092\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u4f8b\u3067\u3059\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-comment\">\/\/ \u83b7\u53d6dropDownList\u5143\u7d20\u7684\u5f15\u7528<\/span>\r\n<span class=\"hljs-keyword\">var<\/span> dropDownList = <span class=\"hljs-variable language_\">document<\/span>.<span class=\"hljs-title function_\">getElementById<\/span>(<span class=\"hljs-string\">'dropDownList'<\/span>);\r\n\r\n<span class=\"hljs-comment\">\/\/ \u6dfb\u52a0\u4e8b\u4ef6<\/span>\r\ndropDownList.<span class=\"hljs-title function_\">addEventListener<\/span>(<span class=\"hljs-string\">'change'<\/span>, <span class=\"hljs-keyword\">function<\/span>() {\r\n  <span class=\"hljs-comment\">\/\/ \u5728\u9009\u62e9\u53d1\u751f\u6539\u53d8\u65f6\u6267\u884c\u7684\u4ee3\u7801<\/span>\r\n  <span class=\"hljs-variable language_\">console<\/span>.<span class=\"hljs-title function_\">log<\/span>(<span class=\"hljs-string\">'\u9009\u62e9\u53d1\u751f\u6539\u53d8'<\/span>);\r\n});\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u6700\u521d\u306bgetElementById()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001dropDownList\u3068\u3044\u3046ID\u306e\u8981\u7d20\u306e\u53c2\u7167\u3092\u53d6\u5f97\u3057\u3001\u305d\u306e\u8981\u7d20\u306baddEventListener()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066change\u30a4\u30d9\u30f3\u30c8\u306e\u30ea\u30b9\u30ca\u30fc\u3092\u8ffd\u52a0\u3057\u307e\u3057\u305f\u3002\u9078\u629e\u304c\u5909\u66f4\u3055\u308c\u305f\u3068\u304d\u306b\u306f\u3001\u30ea\u30b9\u30ca\u30fc\u5185\u306e\u30b3\u30fc\u30c9\u304c\u5b9f\u884c\u3055\u308c\u3001\u30b3\u30f3\u30bd\u30fc\u30eb\u306b&#8221;\u9078\u629e\u304c\u5909\u66f4\u3055\u308c\u307e\u3057\u305f&#8221;\u3068\u51fa\u529b\u3055\u308c\u307e\u3059\u3002\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3001\u30ea\u30b9\u30ca\u30fc\u5185\u306e\u30b3\u30fc\u30c9\u3092\u5909\u66f4\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>dropDownList()\u306b\u30a4\u30d9\u30f3\u30c8\u3092\u8ffd\u52a0\u3059\u308b\u306b\u306f\u3001addEventListener()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u307e\u305a\u3001dropDownList\u8981\u7d20\u306e\u53c2\u7167\u3092\u53d6\u5f97\u3057\u3001addEventListener()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30a4 [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-29659","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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