interface \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u540d {\n \u30d7\u30ed\u30d1\u30c6\u30a3\u540d1: \u578b;\n \u30d7\u30ed\u30d1\u30c6\u30a3\u540d2: \u578b;\n ...\n}<\/code><\/pre><\/div>\n\n\n\n\u4f8b\u3048\u3070\u6b21\u306e\u3088\u3046\u306b\u3001 \u300cStudent\u300d \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9a\u7fa9\u3057\u305f\u5834\u5408\u3001\u305d\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9f\u88c5\u3057\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001 string\u578b\u306e\u30d7\u30ed\u30d1\u30c6\u30a3 \u300cname\u300d \u3068\u3001number\u578b\u306e\u30d7\u30ed\u30d1\u30c6\u30a3 \u300cage\u300d \u3092\u5fc5\u305a\u6240\u6301\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\ninterface Student {\n name: string;\n age: number;\n}<\/code><\/pre><\/div>\n\n\n\n\u307e\u305f\u3001\u4ee5\u4e0b\u306e\u4f8b\u306e\u3088\u3046\u306b\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u578b\u306b\u4ed6\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u6307\u5b9a\u3057\u3066\u3001\u30cd\u30b9\u30c8\u3055\u305b\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\ninterface Score {\n english: number;\n math: number;\n science: number;\n}\n\ninterface Student {\n name: string;\n age: number;\n score: Score;\n}<\/code><\/pre><\/div>\n\n\n\n\u5b9a\u7fa9\u3057\u305finterface\u3092\u4f7f\u7528\u3059\u308b<\/h3>\n\n\n\n
\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u5b9a\u7fa9\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u5b9f\u969b\u306b\u4f7f\u7528\u3057\u305f\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3084\u30af\u30e9\u30b9\u306b\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f7f\u7528\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u578b\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\ninterface Student {\n name: string;\n age: number;\n}\n\nlet taro: Student = {\n name: "Taro Yamada",\n age: 15\n};<\/code><\/pre><\/div>\n\n\n\n\u30af\u30e9\u30b9\u306b\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9f\u88c5\u3059\u308b\u5834\u5408\u306f\u3001\u300cimplements\u300d \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\ninterface Human {\n name: string;\n age: number;\n sayHello(): void;\n}\n \nclass Student implements Human {\n\n name: string;\n age: number;\n\n constructor(name: string, age: number) {\n this.name = name;\n this.age = age;\n }\n\n sayHello() {\n console.log(`\u3053\u3093\u306b\u3061\u306f\u3001\u79c1\u306e\u540d\u524d\u306f${this.name}\u3067\u3059\u3002\u5e74\u9f62\u306f${this.age}\u6b73\u3067\u3059\u3002`);\n }\n}<\/code><\/pre><\/div>\n\n\n\n\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u3001\u8907\u6570\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002
\u305d\u306e\u5834\u5408\u306f \u300c,\u300d \u3067\u533a\u5207\u3063\u3066\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\ninterface Human {\n\tname: string;\n\tage: number;\n}\n\ninterface greet {\n\tsayHello(): void;\n}\n\nclass Student implements Human, Greet {\n\tname: string;\n\tage: number;\n\n\tconstructor(name: string, age: number) {\n\t\tthis.name = name;\n\t\tthis.age = age;\n\t}\n\n\tsayHello() {\n\t\tconsole.log(\n\t\t\t`\u3053\u3093\u306b\u3061\u306f\u3001\u79c1\u306e\u540d\u524d\u306f${this.name}\u3067\u3059\u3002\u5e74\u9f62\u306f${this.age}\u6b73\u3067\u3059\u3002`,\n\t\t);\n\t}\n}\n\nconst taro = new Student("\u592a\u90ce", 20);\n\ntaro.sayHello();<\/code><\/pre><\/div>\n\n\n\n\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n\u3053\u3093\u306b\u3061\u306f\u3001\u79c1\u306e\u540d\u524d\u306f\u592a\u90ce\u3067\u3059\u3002\u5e74\u9f62\u306f20\u6b73\u3067\u3059\u3002<\/code><\/pre><\/div>\n\n\n\n\u3044\u305a\u308c\u3082\u3001\u6307\u5b9a\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u30d7\u30ed\u30d1\u30c6\u30a3\u3084\u30e1\u30bd\u30c3\u30c9\u304c\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u3068\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u95a2\u6570\u578b\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u5ba3\u8a00\u3059\u308b<\/h3>\n\n\n\n
TypeScript\u3067\u306f\u3001\u95a2\u6570\u3092\u578b\u3068\u3057\u3066\u5b9a\u7fa9\u3059\u308b\u5834\u5408\u306b\u3082\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u95a2\u6570\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9a\u7fa9\u3059\u308b\u969b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u69cb\u6587\u3067\u3001\u5f15\u6570\u3068\u623b\u308a\u5024\u306e\u578b\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u3010\u57fa\u672c\u69cb\u6587\u3011<\/strong><\/p>\n\n\n\ninterface \u95a2\u6570\u540d {\n (\u5f15\u65701: \u578b1, \u5f15\u65702: \u578b2, ...): \u623b\u308a\u5024\u306e\u578b;\n}<\/code><\/pre><\/div>\n\n\n\n\u95a2\u6570\u304c\u53d7\u3051\u53d6\u308b\u5f15\u6570\u3084\u623b\u308a\u5024\u306e\u578b\u306a\u3069\u3092\u53b3\u5bc6\u306b\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u9593\u9055\u3063\u305f\u578b\u306e\u30c7\u30fc\u30bf\u3092\u95a2\u6570\u306b\u6e21\u3059\u3053\u3068\u3092\u9632\u304e\u3001\u5b89\u5168\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u307e\u305f\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u3067\u3001\u95a2\u6570\u304c\u3069\u306e\u3088\u3046\u306a\u5f15\u6570\u3092\u53d6\u308a\u3001\u3069\u306e\u3088\u3046\u306a\u5024\u3092\u8fd4\u3059\u304b\u3092\u660e\u793a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3001\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u304c\u5411\u4e0a\u3059\u308b\u3068\u3044\u3046\u5229\u70b9\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u4ee5\u4e0b\u306f\u3001\u7c21\u5358\u306a\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3059\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\ninterface FunctionSayHello {\n (name: string): string;\n}\n\ninterface FunctionSum {\n (x: number, y: number): number;\n}\n\nconst sayHello: FunctionSayHello = function(name: string) {\n return `\u3053\u3093\u306b\u3061\u306f\u3001\u79c1\u306e\u540d\u524d\u306f${name}\u3067\u3059\u3002`;\n};\n\nconst sum: FunctionSum = function(x: number, y: number) {\n return x + y;\n};\n\nconsole.log(sayHello("\u5c71\u7530\u592a\u90ce"));\nconsole.log(sum(2, 3));<\/code><\/pre><\/div>\n\n\n\n\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n\u3053\u3093\u306b\u3061\u306f\u3001\u79c1\u306e\u540d\u524d\u306f\u5c71\u7530\u592a\u90ce\u3067\u3059\u3002\n5<\/code><\/pre><\/div>\n\n\n\nreadonly\u3067\u8aad\u307f\u53d6\u308a\u5c02\u7528\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5ba3\u8a00\u3059\u308b<\/h3>\n\n\n\n
TypeScript\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u306f\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u540d\u306e\u524d\u306b \u300creadonly\u300d \u4fee\u98fe\u5b50\u3092\u3064\u3051\u308b\u3053\u3068\u3067\u3001\u8aad\u307f\u53d6\u308a\u5c02\u7528\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u3057\u3066\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u4ee5\u4e0b\u306e\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\ninterface Human {\n readonly name: string;\n age: number;\n}\n\nlet taro: Human = {\n name: "\u5c71\u7530\u592a\u90ce",\n age: 15\n};\n\ntaro.name = "\u7530\u4e2d\u592a\u90ce";\ntaro.age = 20;<\/code><\/pre><\/div>\n\n\n\n\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/p>\n\n\n\n
error TS2540: Cannot assign to 'name' because it is a read-only property.<\/code><\/pre><\/div>\n\n\n\n\u4e0a\u8a18\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u3053\u306e\u3088\u3046\u306b\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u3002
let\u3067\u5909\u6570\u3092\u5ba3\u8a00\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u672c\u6765\u3067\u3042\u308c\u3070\u5024\u306e\u4e0a\u66f8\u304d\u304c\u53ef\u80fd\u306a\u306e\u3067\u3059\u304c\u3001name\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u8aad\u307f\u53d6\u308a\u5c02\u7528\u306e\u305f\u3081\u4e0d\u5177\u5408\u304c\u8d77\u304d\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n
\u3053\u306e\u3088\u3046\u306b\u3001\u4e00\u90e8\u306e\u5024\u306e\u307f\u3092\u4e0a\u66f8\u304d\u4e0d\u53ef\u3068\u3057\u305f\u3044\u5834\u5408\u306a\u3069\u306b\u4fbf\u5229\u306a\u6a5f\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n
interface\u306e\u7d99\u627f\u3068\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9<\/h3>\n\n\n\n
interface\u306b\u4f3c\u305f\u6a5f\u80fd\u306b\u3001type\uff08\u578b\u30a8\u30a4\u30ea\u30a2\u30b9\uff09\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002
\u57fa\u672c\u7684\u306a\u4ed5\u69d8\u304c\u4f3c\u3066\u3044\u308b\u3053\u306e\uff12\u3064\u3067\u3059\u304c\u3001\u7d99\u627f\u3084\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u306e\u70b9\u306b\u304a\u3044\u3066\u3001\u8a18\u8ff0\u65b9\u6cd5\u3084\u52d5\u4f5c\u304c\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u307e\u305a\u306f\u3001\u305d\u308c\u305e\u308c\u306e\u7d99\u627f\u65b9\u6cd5\u304b\u3089\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002
interface\u306e\u5834\u5408\u306f\u3001\u300cextends\u300d \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u7d99\u627f\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\ninterface Job {\n job: string;\n}\n\ninterface Human extends Job {\n name: string;\n}<\/code><\/pre><\/div>\n\n\n\n\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u300cJob\u300d \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u7d99\u627f\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u7d50\u679c\u3068\u3057\u3066 \u300cHuman\u300d \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f job \u3068 name \u306e\uff12\u3064\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6301\u3064\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u4e00\u65b9\u3001type\u3067\u306f\u7d99\u627f\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u304c\u3001\u4ee3\u308f\u308a\u306b\u4ea4\u5dee\u578b (&) \u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u4f3c\u305f\u6a5f\u80fd\u3092\u5b9f\u73fe\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\ntype Job = {\n job: string;\n};\n\ntype Human = Job & {\n name: string;\n};<\/code><\/pre><\/div>\n\n\n\ninterface\u3067\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3092\u884c\u3046\u5834\u5408\u306b\u3001\u4e92\u63db\u6027\u306e\u306a\u3044\u578b\u3092\u6307\u5b9a\u3059\u308b\u3068\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u4f8b\u3067\u3059\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\ninterface Human {\n name: string;\n age: number;\n}\n\ninterface Student extends Human {\n name: number;\n age: number;\n class: number;\n}<\/code><\/pre><\/div>\n\n\n\n\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\nerror TS2430: Interface 'Student' incorrectly extends interface 'Human'.\n Types of property 'name' are incompatible.\n Type 'number' is not assignable to type 'string'.<\/code><\/pre><\/div>\n\n\n\n\u4e00\u65b9\u3001type\u306e\u5834\u5408\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u304c\u767a\u751f\u305b\u305a\u3001never\u578b\u3068\u3057\u3066\u51e6\u7406\u3055\u308c\u307e\u3059\u3002
\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u306e\u30df\u30b9\u3092\u9632\u304e\u305f\u3044\u5834\u5408\u306f\u3001type\u3088\u308a\u3082 interface\u306e\u65b9\u304c\u4f7f\u7528\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u307e\u305f\u3001\u6b21\u306e\u9805\u76ee\u3067\u3082\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u304c\u3001TypeScript\u306e\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b declaration merging\u3068\u3044\u3046\u30c6\u30af\u30cb\u30c3\u30af\u306b\u3088\u308a\u3001interface\u3067\u306f\u540c\u540d\u3067\u306e\u5b9a\u7fa9\u3092\u8907\u6570\u884c\u3063\u305f\u5834\u5408\u306b\u5185\u5bb9\u304c\u30de\u30fc\u30b8\u3055\u308c\u308b\u3068\u3044\u3046\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u3053\u306e\u7279\u5fb4\u306f type\u306b\u306f\u7121\u3044\u6a5f\u80fd\u306e\u305f\u3081\u3001\u62e1\u5f35\u6027\u3092\u91cd\u8981\u8996\u3059\u308b\u5834\u5408\u3082 interface\u306e\u4f7f\u7528\u304c\u3088\u308a\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
interface\u306e\u5ba3\u8a00\u3092\u30de\u30fc\u30b8\u3059\u308b<\/h2>\n\n\n\n
\u5148\u307b\u3069\u3082\u89e3\u8aac\u3057\u305f\u3088\u3046\u306b\u3001interface\u306f \u300cDeclaration Merging\u300d \u3068\u3044\u3046\u30c6\u30af\u30cb\u30c3\u30af\u306b\u3088\u308a\u3001\u540c\u3058\u540d\u524d\u3067\u5ba3\u8a00\u3055\u308c\u305f2\u3064\u4ee5\u4e0a\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\uff11\u3064\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3068\u3057\u3066\u7d71\u5408\uff08\u30de\u30fc\u30b8\uff09\u3059\u308b\u3068\u3044\u3046\u7279\u5fb4\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u4ee5\u4e0b\u306e\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\ninterface Human {\n name: string;\n}\n\ninterface Human {\n age: number;\n}\n\nconst human: Human = {\n name: "\u5c71\u7530\u592a\u90ce" \n};<\/code><\/pre><\/div>\n\n\n\n\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\nerror TS2741: Property 'age' is missing in type '{ name: string; }' but required in type 'Human'.<\/code><\/pre><\/div>\n\n\n\n\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001human\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b age\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u306a\u3044\u3068\u3057\u3066\u3001\u30a8\u30e9\u30fc\u304c\u51fa\u3066\u3057\u307e\u3044\u307e\u3059\u3002
\u3053\u306e\u30a8\u30e9\u30fc\u306f\u3001\u5ba3\u8a00\u306e\u30de\u30fc\u30b8\u306b\u3088\u308a\u3001Human\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304c\u6301\u3064\u30d7\u30ed\u30d1\u30c6\u30a3\u304c name \u3068 age \u306e\uff12\u3064\u3068\u306a\u3063\u305f\u305f\u3081\u306b\u767a\u751f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u3053\u306e\u3088\u3046\u306b\u3001interface\u3067\u540c\u540d\u3067\u306e\u5ba3\u8a00\u3092\u8907\u6570\u884c\u3046\u3068\u3001\u81ea\u52d5\u3067\u5185\u5bb9\u304c1\u3064\u306b\u7d71\u5408\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
\u307e\u3068\u3081<\/h2>\n\n\n\n
\u3044\u304b\u304c\u3067\u3057\u305f\u304b\uff1f\u4eca\u56de\u306f\u3001interface\u3092\u4f7f\u7528\u3057\u3066\u578b\u5b9a\u7fa9\u3092\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u578b\u5b89\u5168\u6027\u3084\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u306e\u89b3\u70b9\u306b\u304a\u3044\u3066\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u975e\u5e38\u306b\u91cd\u8981\u306a\u6a5f\u80fd\u3067\u3059\u306e\u3067\u3001\u305c\u3072\u3053\u306e\u8a18\u4e8b\u3082\u53c2\u8003\u306b\u3057\u306a\u304c\u3089\u3001\u5b9f\u969b\u306e\u958b\u767a\u306b\u6d3b\u7528\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n
TypeScript\u306e\u52c9\u5f37\u65b9\u6cd5\u306f\uff1f<\/h2>\n\n\n
\u66f8\u7c4d\u3084\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3067\u5b66\u7fd2\u3059\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u6628\u4eca\u3067\u306f\u3001YouTube\u306a\u3069\u306e\u52d5\u753b\u30b5\u30a4\u30c8\u3084\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u30b5\u30a4\u30c8\u306a\u3069\u3082\u5145\u5b9f\u3057\u3066\u3044\u3066\u591a\u304f\u306e\u60c5\u5831\u304c\u624b\u306b\u5165\u308a\u307e\u3059\u3002
\u305d\u3057\u3066\u3001\u3088\u308a\u52b9\u7387\u7684\u306b\u77e5\u8b58\u30fb\u30b9\u30ad\u30eb\u3092\u7fd2\u5f97\u3059\u308b\u306b\u306f\u3001\u77e5\u8b58\u3092\u3064\u3051\u306a\u304c\u3089\u5b9f\u969b\u306b\u624b\u3092\u52d5\u304b\u3057\u3066\u307f\u308b\u306a\u3069\u3001\u30a4\u30f3\u30d7\u30c3\u30c8\u3068\u30a2\u30a6\u30c8\u30d7\u30c3\u30c8\u3092\u7e70\u308a\u8fd4\u3057\u3066\u3044\u304f\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u7279\u306b\u72ec\u5b66\u306e\u5834\u5408\u306f\u3001\u6709\u8b58\u8005\u306b\u8cea\u554f\u304c\u3067\u304d\u305f\u308a\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u3092\u3082\u3089\u3048\u308b\u3088\u3046\u306a\u74b0\u5883\u304c\u3042\u308b\u3068\u3001\u7406\u89e3\u5ea6\u304c\u6df1\u307e\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n
\u305f\u3060\u3001TypeScript\u306b\u9650\u3089\u305a\u3001IT\u30b9\u30ad\u30eb\u3092\u8eab\u306b\u3064\u3051\u308b\u969b\u3001\u3069\u3046\u3057\u3066\u3082\u8ab2\u984c\u306b\u3076\u3064\u304b\u3063\u3066\u3057\u307e\u3046\u3053\u3068\u306f\u3042\u308a\u307e\u3059\u3088\u306d\u3002\u7279\u306b\u72ec\u5b66\u3060\u3068\u3001\u308f\u304b\u3089\u306a\u3044\u90e8\u5206\u3092\u30d7\u30ed\u306b\u8cea\u554f\u3067\u304d\u308b\u6a5f\u4f1a\u3092\u78ba\u4fdd\u3057\u306b\u304f\u304f\u3001\u30e2\u30c1\u30d9\u30fc\u30b7\u30e7\u30f3\u304c\u7d9a\u304d\u306b\u304f\u3044\u3068\u3044\u3046\u5074\u9762\u304c\u3042\u308a\u307e\u3059\u3002\u72ec\u5b66\u3067\u30e2\u30c1\u30d9\u30fc\u30b7\u30e7\u30f3\u3092\u7dad\u6301\u3059\u308b\u81ea\u4fe1\u304c\u306a\u3044\u4eba\u306b\u306f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u3068\u3044\u3046\u624b\u3082\u3042\u308a\u307e\u3059\u3002\u8cbb\u7528\u306f\u639b\u304b\u308a\u307e\u3059\u304c\u3001\u305d\u306e\u5206\u30b9\u30ad\u30eb\u3092\u8eab\u306b\u3064\u3051\u3084\u3059\u3044\u3067\u3059\u3002\u3057\u3063\u304b\u308a\u3068\u77e5\u8b58\u30fb\u30b9\u30ad\u30eb\u3092\u7fd2\u5f97\u3057\u3066\u5b9f\u8df5\u306b\u6d3b\u304b\u3057\u305f\u3044\u3068\u3044\u3046\u4eba\u306f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002<\/p>\n
\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u306a\u3089\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u304c\u304a\u3059\u3059\u3081\uff01<\/strong><\/span><\/p>\n\n\n![](\"https:\/\/web-img.rensa.jp.net\/rensa\/images\/techmania\/thumbnail\/images\/yuudou.png\")
\n\n\nIT\u30b9\u30ad\u30eb\u9700\u8981\u306e\u9ad8\u307e\u308a\u3068\u3068\u3082\u306b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u3082\u5897\u3048\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u3069\u306e\u30b9\u30af\u30fc\u30eb\u306b\u901a\u3046\u3079\u304d\u304b\u8ff7\u3063\u3066\u3057\u307e\u3046\u4eba\u3082\u3044\u308b\u3067\u3057\u3087\u3046\u3002\u305d\u3093\u306a\u65b9\u306b\u306f\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\uff01\u3053\u308c\u307e\u3067\u591a\u304f\u306eIT\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u80b2\u6210\u30fb\u8f29\u51fa\u3057\u3066\u304d\u305f\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u3067\u3082\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u3092\u958b\u8b1b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\n\uff1c\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u306e\u7279\u5fb4\uff1e<\/strong>
\u30fb\u305f\u3057\u304b\u306a\u80b2\u6210\u5b9f\u7e3e\u3068\u89aa\u8eab\u306a\u6559\u80b2\u3000\uff5e\u30bb\u30ab\u30f3\u30c9\u30ad\u30e3\u30ea\u30a2\u3092\u5168\u529b\u652f\u63f4\uff5e<\/strong>
\u30fb\u8b1b\u5e2b\u304c\u73fe\u5f79\u30a8\u30f3\u30b8\u30cb\u30a2\u3000\uff5e\u201c\u672c\u5f53\u201d\u306e\u958b\u767a\u30ce\u30a6\u30cf\u30a6\u3092\u76f4\u306b\u5b66\u3079\u308b\uff5e<\/strong>
\u30fb\u5c02\u5c5e\u8b1b\u5e2b\u304c\u5b66\u7fd2\u3092\u5fb9\u5e95\u30b5\u30dd\u30fc\u30c8\u3000\uff5e\u300c\u308f\u304b\u3089\u306a\u3044\u300d\u3092\u5fb9\u5e95\u89e3\u6c7a\uff5e<\/strong>
\u30fb\u5b9f\u52d9\u30d9\u30fc\u30b9\u3067\u30b9\u30ad\u30eb\u3092\u7fd2\u5f97\u3000\uff5e\u5b9f\u8df5\u7684\u306a\u51dd\u7e2e\u30ab\u30ea\u30ad\u30e5\u30e9\u30e0\uff5e<\/strong><\/p>\n<\/div>\n\u3053\u306e\u3088\u3046\u306a\u7279\u5fb4\u3092\u6301\u3064\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u306fIT\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30b9\u30bf\u30fc\u30c8\u30e9\u30a4\u30f3\u3068\u3057\u3066\u6700\u9069\u3067\u3059\u3002
\u8a71\u3092\u805e\u304d\u305f\u3044\u30fb\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u3068\u3044\u3046\u65b9\u306f\u3053\u3061\u3089<\/a>\u304b\u3089\u304a\u6c17\u8efd\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002<\/p>","protected":false},"excerpt":{"rendered":"\u7686\u3055\u3093\u306f\u3001TypeScript\u3067\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u6d3b\u7528\u3057\u3066\u3044\u307e\u3059\u304b\uff1f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u578b\u306e\u8a00\u8a9e\u3067\u306f\u7279\u306b\u91cd\u8981\u8996\u3055\u308c\u308b\u6a5f\u80fd\u3067\u3059\u304c\u3001\u4f7f\u3044\u65b9\u304c\u3088\u304f\u5206\u304b\u3089\u306a\u3044\u3068\u3044\u3063\u305f\u65b9\u3082\u4e2d\u306b\u306f\u3044\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002 \u305d\u3053\u3067\u4eca\u56de\u306f\u3001TypeScript\u3067\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9a\u7fa9\u3059\u308b\u65b9\u6cd5\u3084\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u3001\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002 TypeScript\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3068\u306f\uff1f JavaScript\u306b\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u76f8\u5f53\u3059 […]","protected":false},"author":11,"featured_media":9724,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"fifu_image_url":"https:\/\/web-img.rensa.jp.net\/rensa\/images\/techmania\/thumbnail\/images\/ts_interface.webp","fifu_image_alt":"\u3010TypeScript\u5165\u9580\u3011interface\u3067\u578b\u5b9a\u7fa9\u3092\u4f5c\u6210\u3059\u308b\uff01Type\u3068\u306e\u9055\u3044\u30fb\u4f7f\u3044\u5206\u3051\u3082\u89e3\u8aac","footnotes":""},"categories":[15],"tags":[],"class_list":["post-9721","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-programming"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t