{"id":20960,"date":"2025-10-26T09:02:13","date_gmt":"2025-10-26T09:02:13","guid":{"rendered":"https:\/\/pokecon.jp\/job\/?p=20960"},"modified":"2025-10-26T09:02:13","modified_gmt":"2025-10-26T09:02:13","slug":"typescript-object-freeze-%e3%81%ae%e4%bb%a3%e6%9b%bf%e3%81%a8%e3%81%97%e3%81%a6%e3%81%ae-as-const-satisfies-%e3%81%ae%e6%b4%bb%e7%94%a8","status":"publish","type":"post","link":"https:\/\/pokecon.jp\/job\/20960\/","title":{"rendered":"[TypeScript] Object.freeze() \u306e\u4ee3\u66ff\u3068\u3057\u3066\u306e as const satisfies \u306e\u6d3b\u7528"},"content":{"rendered":"\n<\/p>\n
\n

\u30a2\u30eb\u30c0\u30b0\u30e9\u30e0<\/a>\u3067\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30a8\u30f3\u30b8\u30cb\u30a2\u3068\u3057\u3066\u6d3b\u52d5\u3057\u3066\u3044\u308b\u677e\u7530\u3067\u3059\u3002<\/p>\n

TypeScript\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5b9a\u7fa9\u3059\u308b\u5834\u5408\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u5909\u66f4\u3092\u9632\u304e\u305f\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002
\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u8a2d\u5b9a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002<\/p>\n

\n
const<\/span> appConfig =<\/span> {<\/span>\n  API_URL<\/span>:<\/span> \"https:\/\/example.com\"<\/span>,<\/span>\n  API_VERSION<\/span>:<\/span> \"v2\"<\/span>,<\/span>\n  TIMEOUT<\/span>:<\/span> 5000<\/span>,<\/span>\n}<\/span>\n<\/code><\/pre>\n<\/div>\n
JS\u3067\u9577\u3089\u304f\u958b\u767a\u3057\u3066\u304d\u305f\u4eba\u306b\u3068\u3063\u3066\u306f\u3001Object.freeze()<\/code> \u3092\u4f7f\u3046\u306e\u304c\u81ea\u7136\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n
\n
\nconst<\/span> appConfig =<\/span> Object.<\/span>freeze<\/span>(<\/span>{<\/span>\n  API_URL<\/span>:<\/span> \"https:\/\/example.com\"<\/span>,<\/span>\n  API_VERSION<\/span>:<\/span> \"v2\"<\/span>,<\/span>\n  TIMEOUT<\/span>:<\/span> 5000<\/span>,<\/span>\n}<\/span>)<\/span>\n\n\nappConfig.<\/span>TIMEOUT<\/span> =<\/span> 3000<\/span> \n<\/code><\/pre>\n<\/div>\n
\u3057\u304b\u3057\u3001TypeScript\u3092\u6d3b\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u3088\u308a\u826f\u3044\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002
\u672c\u7a3f\u3067\u306f\u3001TypeScript\u306b\u304a\u3051\u308b\u4e0d\u5909\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5b9a\u7fa9\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3001Object.freeze()<\/code> \u304c\u306a\u305c\u539f\u5247\u4e0d\u8981\u306a\u306e\u304b\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n
\n \u8981\u7d04<\/h2>\n
    \n
  • \nas const satisfies<\/code> \u3092\u7a4d\u6975\u7684\u306b\u6d3b\u7528<\/p>\n
      \n
    • \u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306e\u578b\u5b89\u5168\u6027\u306f\u3053\u308c\u3067\u5341\u5206\u306b\u62c5\u4fdd\u3067\u304d\u308b<\/li>\n<\/ul>\n<\/li>\n
    • \nObject.freeze()<\/code> \u306a\u3069\u306f\u539f\u5247\u4e0d\u8981<\/p>\n
        \n
      • TypeScript\u74b0\u5883\u3067\u3042\u308c\u3070\u3001\u5b9f\u884c\u6642\u306e\u4e0d\u5909\u6027\u30c1\u30a7\u30c3\u30af\u306f\u5197\u9577<\/li>\n
      • \u305f\u3060\u3057\u3001\u578b\u306e\u306a\u3044JavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u9023\u643a\u3059\u308b\u5834\u5408\u306a\u3069\u3001\u4f8b\u5916\u7684\u306b\u6709\u7528\u306a\u30b1\u30fc\u30b9\u3082\u3042\u308b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
        \n const \u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5ba3\u8a00\u3057\u305f\u3060\u3051\u3067\u306f\u4e0d\u5909\u306b\u306a\u3089\u306a\u3044<\/h2>\n
        \u91cd\u8981\u306a\u70b9\u304b\u3089\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002
        \u307e\u305a\u3001const<\/code> \u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5ba3\u8a00\u3057\u3066\u3082\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u5909\u66f4\u53ef\u80fd\u3067\u3059\u3002
        const<\/code> \u306f\u518d\u4ee3\u5165\u3092\u7981\u6b62\u3059\u308b\u3060\u3051\u3067\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u300c\u4e2d\u8eab\u300d(\u30d7\u30ed\u30d1\u30c6\u30a3) \u307e\u3067\u306f\u4fdd\u8b77\u3057\u307e\u305b\u3093\u3002<\/p>\n
        \n
        const<\/span> appConfig =<\/span> {<\/span>\n  API_URL<\/span>:<\/span> \"https:\/\/example.com\"<\/span>,<\/span>\n  API_VERSION<\/span>:<\/span> \"v2\"<\/span>,<\/span>\n  TIMEOUT<\/span>:<\/span> 5000<\/span>,<\/span>\n}<\/span>\n\n\nappConfig.<\/span>TIMEOUT<\/span> =<\/span> 3000<\/span>\n<\/code><\/pre>\n<\/div>\n
        \n TypeScript\u306e\u6a5f\u80fd\u306e\u6d3b\u7528<\/h2>\n
        \n as const<\/code> (const\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3)<\/h3>\n
        as const<\/code> \u3092\u4f7f\u3046\u3068\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u3059\u3079\u3066 readonly<\/code> \u306b\u306a\u308a\u3001\u578b\u3082\u30ea\u30c6\u30e9\u30eb\u578b\uff08string<\/code> \u3067\u306f\u306a\u304f \"https:\/\/example.com\"<\/code>\uff09\u3068\u3057\u3066\u63a8\u8ad6\u3055\u308c\u307e\u3059\u3002<\/p>\n
        \n
        const<\/span> appConfig =<\/span> {<\/span>\n  API_URL<\/span>:<\/span> \"https:\/\/example.com\"<\/span>,<\/span>\n  API_VERSION<\/span>:<\/span> \"v2\"<\/span>,<\/span>\n  TIMEOUT<\/span>:<\/span> 5000<\/span>,<\/span>\n}<\/span> as<\/span> const<\/span>\n\n\n\nappConfig.<\/span>TIMEOUT<\/span> =<\/span> 3000<\/span>\n<\/code><\/pre>\n<\/div>\n
        typeof appConfig<\/code> \u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
        \n
        {<\/span>\n  readonly<\/span> API_URL<\/span>:<\/span> \"https:\/\/example.com\"<\/span>;<\/span>\n  readonly<\/span> API_VERSION<\/span>:<\/span> \"v2\"<\/span>;<\/span>\n  readonly<\/span> TIMEOUT<\/span>:<\/span> 5000<\/span>;<\/span>\n}<\/span>\n<\/code><\/pre>\n<\/div>\n
        \u3053\u306e\u3088\u3046\u306b\u3001as const<\/code> \u306fTypeScript\u3067\u4e0d\u5909\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5b9a\u7fa9\u3059\u308b\u305f\u3081\u306e\u57fa\u672c\u7684\u306a\u624b\u6cd5\u3067\u3059\u3002<\/p>\n
        \n satisfies<\/code> \u6f14\u7b97\u5b50\u306e\u8ffd\u52a0<\/h3>\n
        as const<\/code> \u306f\u5f37\u529b\u3067\u3059\u304c\u3001\u578b\u306e\u6574\u5408\u6027\u3092\u4fdd\u8a3c\u3059\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n
        \u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a Config<\/code> \u578b\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002<\/p>\n
        \n
        type<\/span> Config<\/span> =<\/span> {<\/span>\n  API_URL<\/span>:<\/span> string<\/span>;<\/span>\n  API_VERSION<\/span>:<\/span> 'v1'<\/span> |<\/span> 'v2'<\/span>;<\/span>\n  TIMEOUT<\/span>:<\/span> number<\/span>;<\/span>\n}<\/span>\n<\/code><\/pre>\n<\/div>\n
        appConfig<\/code> \u304c Config<\/code> \u578b\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u305f\u3044\u5834\u5408\u3001as const<\/code> \u3060\u3051\u3067\u306f\u4e0d\u5341\u5206\u3067\u3059\u3002
        \u305d\u3053\u3067\u3001satisfies<\/code> \u6f14\u7b97\u5b50\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u3044\u307e\u3059\u3002<\/p>\n
        \n
        const<\/span> appConfig =<\/span> {<\/span>\n  API_URL<\/span>:<\/span> \"https:\/\/example.com\"<\/span>,<\/span>\n  API_VERSION<\/span>:<\/span> \"v2\"<\/span>,<\/span>\n  TIMEOUT<\/span>:<\/span> 5000<\/span>,<\/span>\n}<\/span> as<\/span> const<\/span> satisfies Config \n<\/code><\/pre>\n<\/div>\n
        as const satisfies Config<\/code> \u306b\u3088\u3063\u3066\u3001\u4ee5\u4e0b\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002<\/p>\n
          \n
        • \nappConfig<\/code> \u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u3059\u3079\u3066 readonly<\/code> \u306b\u306a\u308b<\/li>\n
        • \nappConfig<\/code> \u306f Config<\/code> \u578b\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u691c\u8a3c\u3055\u308c\u308b<\/li>\n
        • \nappConfig<\/code> \u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u30ea\u30c6\u30e9\u30eb\u578b\u3068\u3057\u3066\u63a8\u8ad6\u3055\u308c\u308b<\/li>\n<\/ul>\n
          \n Object.freeze()<\/code> \u306f\u4e0d\u8981\uff1f<\/h2>\n
          Object.freeze()<\/code> \u306f\u3001\u5b9f\u884c\u6642<\/strong>\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5909\u66f4\u3092\u7981\u6b62\u3059\u308bJavaScript\u306e\u7d44\u307f\u8fbc\u307f\u95a2\u6570\u3067\u3059\u3002
          \u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u8ffd\u52a0\u30fb\u524a\u9664\u30fb\u5909\u66f4\u7b49\u3092\u9632\u304e\u307e\u3059\u3002<\/p>\n
          \n
          const<\/span> appConfig =<\/span> {<\/span>\n  API_URL<\/span>:<\/span> \"https:\/\/example.com\"<\/span>,<\/span>\n  API_VERSION<\/span>:<\/span> \"v2\"<\/span>,<\/span>\n  TIMEOUT<\/span>:<\/span> 5000<\/span>,<\/span>\n}<\/span>\n\nObject<\/span>.<\/span>freeze<\/span>(<\/span>appConfig)<\/span>\n\n\n\nappConfig.<\/span>TIMEOUT<\/span> =<\/span> 3000<\/span>\n<\/code><\/pre>\n<\/div>\n
          \u3057\u304b\u3057\u3001TypeScript\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001as const satisfies<\/code> \u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u6642<\/strong>\u306b\u540c\u69d8\u306e\u4e0d\u5909\u6027\u3092\u4fdd\u8a3c\u3067\u304d\u307e\u3059\u3002
          \u3088\u3063\u3066\u3001TypeScript\u74b0\u5883\u4e0b\u3067\u306f Object.freeze()<\/code> \u306f\u5197\u9577\u3067\u3059\u3002
          \u3080\u3057\u308d\u3001\u30cd\u30b9\u30c8\u3055\u308c\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3084\u914d\u5217\u306b\u5bfe\u3057\u3066\u306f Object.freeze()<\/code> \u304c\u6d45\u3044\u51cd\u7d50\u3057\u304b\u884c\u308f\u306a\u3044\u305f\u3081\u3001\u8aa4\u89e3\u3092\u62db\u304f\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002
          (as const<\/code> \u306f\u30cd\u30b9\u30c8\u3055\u308c\u305f\u30d7\u30ed\u30d1\u30c6\u30a3\u3082\u3059\u3079\u3066 readonly<\/code> \u306b\u3057\u307e\u3059)<\/p>\n
          \n
          const<\/span> appConfig =<\/span> {<\/span>\n  API_URL<\/span>:<\/span> \"https:\/\/example.com\"<\/span>,<\/span>\n  OPTIONS<\/span>:<\/span> {<\/span>\n    retry<\/span>:<\/span> true<\/span>,<\/span>\n    timeout<\/span>:<\/span> 3000<\/span>,<\/span>\n  }<\/span>,<\/span>\n}<\/span>\n\nObject<\/span>.<\/span>freeze<\/span>(<\/span>appConfig)<\/span>\n\n\nappConfig.<\/span>OPTIONS<\/span>.<\/span>retry<\/span> =<\/span> false<\/span>\n<\/code><\/pre>\n<\/div>\n
          \n Object.freeze()<\/code> \u304c\u6709\u52b9\u306a\u4f8b\u5916\u7684\u306a\u30b1\u30fc\u30b9<\/h2>\n
          \u3068\u306f\u3044\u3048\u3001Object.freeze()<\/code> \u304c\u5b8c\u5168\u306b\u7121\u7528\u3068\u3044\u3046\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002
          TypeScript\u30b3\u30f3\u30d1\u30a4\u30e9\u306e\u76e3\u8996\u5916\u3001\u3064\u307e\u308a\u3001\u5b9f\u884c\u6642\uff08\u30b3\u30f3\u30d1\u30a4\u30eb\u5f8c\uff09\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u5909\u66f4\u3055\u308c\u308b\u30ea\u30b9\u30af\u304c\u3042\u308b\u5834\u5408\u306b\u306f\u3001Object.freeze()<\/code> \u304c\u6709\u52b9\u3067\u3059\u3002<\/p>\n
          \n \u578b\u306e\u306a\u3044JavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u9023\u643a\u3059\u308b\u5834\u5408<\/h3>\n
          \u578b\u5b9a\u7fa9\uff08.d.ts<\/code>\uff09\u304c\u306a\u3044\u3001\u3082\u3057\u304f\u306f\u4e0d\u5b8c\u5168\u306aJavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u9023\u643a\u3059\u308b\u5834\u5408\u3067\u3059\u3002
          \u30e9\u30a4\u30d6\u30e9\u30ea\u5185\u90e8\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u66f8\u304d\u63db\u3048\u3089\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
          \n
          import<\/span> {<\/span> someOldJsLibrary }<\/span> from<\/span> \"some-old-lib\"<\/span>\n\nconst<\/span> settings =<\/span> {<\/span>\n  mode:<\/span> \"safe\"<\/span>,<\/span>\n}<\/span> as<\/span> const<\/span>\n\n\nsomeOldJsLibrary<\/span>(<\/span>settings)<\/span>\n\nconsole<\/span>.<\/span>log<\/span>(<\/span>settings.<\/span>mode)<\/span> <\/code><\/pre>\n<\/div>\n
          \u3053\u306e\u3088\u3046\u306a\u5834\u5408\u3001Object.freeze()<\/code> \u3092\u4f7f\u3063\u3066\u5b9f\u884c\u6642\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4e0d\u5909\u306b\u3059\u308b\u3053\u3068\u304c\u6709\u52b9\u3067\u3059\u3002<\/p>\n
          \n
          import<\/span> {<\/span> someOldJsLibrary }<\/span> from<\/span> \"some-old-lib\"<\/span>\n\nconst<\/span> settings =<\/span> Object.<\/span>freeze<\/span>(<\/span>{<\/span>\n  mode:<\/span> \"safe\"<\/span>,<\/span>\n}<\/span> as<\/span> const<\/span>)<\/span>\n\n\nsomeOldJsLibrary<\/span>(<\/span>settings)<\/span>\n\nconsole<\/span>.<\/span>log<\/span>(<\/span>settings.<\/span>mode)<\/span> \n<\/code><\/pre>\n<\/div>\n
          \n \u578b\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u308b\u4e0d\u6b63\u306a\u5909\u66f4\u3092\u9632\u304e\u305f\u3044\u5834\u5408<\/h3>\n
          \u5834\u5408\u306b\u3088\u3063\u3066\u306f\u3001\u958b\u767a\u8005\u304c as<\/code> \u3092\u4f7f\u3063\u3066\u578b\u30c1\u30a7\u30c3\u30af\u3092\u56de\u907f\u3057\u3001\u4e0d\u6b63\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5909\u66f4\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
          \n
          const<\/span> appConfig =<\/span> {<\/span>\n  API_URL<\/span>:<\/span> \"https:\/\/example.com\"<\/span>,<\/span>\n  TIMEOUT<\/span>:<\/span> 5000<\/span>,<\/span>\n}<\/span> as<\/span> const<\/span> satisfies Config<\/span>\n\n(<\/span>appConfig as<\/span> any<\/span>)<\/span>.<\/span>TIMEOUT<\/span> =<\/span> 1000<\/span> \n<\/code><\/pre>\n<\/div>\n
          \u4e0a\u8a18\u306f\u6975\u7aef\u306a\u4f8b\u3067\u3059\u304c\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u3084\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3068\u306e\u517c\u306d\u5408\u3044\u3067\u3001\u578b\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\u304c\u5229\u7528\u3055\u308c\u308b\u30b1\u30fc\u30b9\u3082\u3042\u308a\u307e\u3059\u3002
          \u6975\u529b\u907f\u3051\u308b\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u3046\u3057\u305f\u30b7\u30c1\u30e5\u30a8\u30fc\u30b7\u30e7\u30f3\u3067\u306e\u5fdc\u6025\u51e6\u7f6e\u3068\u3057\u3066 Object.freeze()<\/code> \u306e\u5229\u7528\u3092\u691c\u8a0e\u3067\u304d\u307e\u3059\u3002<\/p>\n
          \n
          \nconst<\/span> appConfig =<\/span> Object.<\/span>freeze<\/span>(<\/span>{<\/span>\n  API_URL<\/span>:<\/span> \"https:\/\/example.com\"<\/span>,<\/span>\n  TIMEOUT<\/span>:<\/span> 5000<\/span>,<\/span>\n}<\/span> as<\/span> const<\/span> satisfies Config)<\/span>\n\n(<\/span>appConfig as<\/span> any<\/span>)<\/span>.<\/span>TIMEOUT<\/span> =<\/span> 1000<\/span> \n<\/code><\/pre>\n<\/div>\n
          \n \u307e\u3068\u3081<\/h2>\n
          TypeScript\u3067\u4e0d\u5909\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5b9a\u7fa9\u3059\u308b\u969b\u306f\u3001as const satisfies<\/code> \u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u578b\u5b89\u5168\u6027\u3068\u4e0d\u5909\u6027\u3092\u52b9\u679c\u7684\u306b\u62c5\u4fdd\u3067\u304d\u307e\u3059\u3002
          Object.freeze()<\/code> \u306f\u539f\u5247\u4e0d\u8981\u3067\u3059\u304c\u3001\u578b\u306e\u306a\u3044JavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u306e\u9023\u643a\u3084\u3001\u578b\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u308b\u4e0d\u6b63\u306a\u5909\u66f4\u3092\u9632\u304e\u305f\u3044\u5834\u5408\u306a\u3069\u3001\u4f8b\u5916\u7684\u306b\u6709\u7528\u306a\u30b1\u30fc\u30b9\u3082\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n
          \u672c\u7a3f\u304c\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u4e0d\u5909\u6027\u306b\u95a2\u3059\u308b\u7406\u89e3\u3084\u3001\u53e4\u3044JavaScript\u30b3\u30fc\u30c9\u3068\u306e\u9023\u643a\u3084\u6539\u4fee\u306b\u5f79\u7acb\u3066\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n
          \n \u53c2\u8003\u8cc7\u6599<\/h2>\n