{"id":5711,"date":"2024-06-11T11:49:03","date_gmt":"2024-06-11T02:49:03","guid":{"rendered":"https:\/\/taitan916.info\/blog\/?p=5711"},"modified":"2024-04-11T16:56:57","modified_gmt":"2024-04-11T07:56:57","slug":"post-5711","status":"publish","type":"post","link":"https:\/\/taitan916.info\/blog\/archives\/5711","title":{"rendered":"JavaScript\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30ad\u30fc\u306b\u5909\u6570\u3092\u6307\u5b9a\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"

JavaScript\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306ekey\u53ca\u3073value\u306b\u5909\u6570\u3092\u6307\u5b9a\u3057\u305f\u304b\u3063\u305f\u3002\u300cconst obj = {key : value}\u300d\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u305f\u3068\u3053\u308dkey\u306e\u65b9\u304c\u6b63\u5e38\u306b\u6307\u5b9a\u3067\u304d\u3066\u3044\u306a\u3044\u3088\u3046\u3067\u547c\u3073\u51fa\u305d\u3046\u3068\u3057\u3066\u3082undefined\u306b\u306a\u3063\u305f\u3002\u4ee5\u4e0b\u306b\u89e3\u6c7a\u65b9\u6cd5\u3092\u30e1\u30e2\u3002<\/p>\n

 <\/p>\n

\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9<\/h2>\n

NG\u30d1\u30bf\u30fc\u30f3<\/h3>\n
const key = 'name';\r\nconst value = '\u9234\u6728';\r\n\r\nconst obj = {\r\n    key : value,\r\n}\r\n\r\nconsole.log(obj.name);<\/pre>\n
\u4e0a\u8a18\u306e\u8a18\u8ff0\u3060\u3068\u300cundefined\u300d\u304c\u51fa\u529b\u3055\u308c\u308b\u3002<\/p>\n
OK\u30d1\u30bf\u30fc\u30f3<\/h3>\n
const key = 'name';\r\nconst value = '\u9234\u6728';\r\n\r\nconst obj = {\r\n    [key] : value,\r\n}\r\n\r\nconsole.log(obj.name);\r\nconsole.log(obj[key]);<\/pre>\n
\u4e0a\u8a18\u306e\u8a18\u8ff0\u3060\u3068\u300c\u9234\u6728<\/span><\/span><\/span><\/span>\u300d\u304c\u51fa\u529b\u3055\u308c\u308b\u3002<\/p>\n
 <\/p>\n
\u53c2\u8003\u30b5\u30a4\u30c8<\/h2>\n
https:\/\/engineering.webstudio168.jp\/2023\/04\/javascript-obj-key-variables\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
JavaScript\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306ekey\u53ca\u3073value\u306b\u5909\u6570\u3092\u6307\u5b9a\u3057\u305f\u304b\u3063\u305f\u3002 ... <\/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":[],"class_list":["post-5711","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-javascript"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/5711","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/comments?post=5711"}],"version-history":[{"count":1,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/5711\/revisions"}],"predecessor-version":[{"id":5712,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/5711\/revisions\/5712"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/media\/1067"}],"wp:attachment":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/media?parent=5711"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/categories?post=5711"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/tags?post=5711"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}