\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u3063\u3066\u3044\u304f\u3068\u3001\u6bb5\u3005\u3068\u30b3\u30fc\u30c9\u306e\u91cf\u304c\u5897\u3048\u3066\u3044\u304f\u306b\u3064\u308c\u3001\u30b3\u30fc\u30c9\u304c\u8907\u96d1\u5316\u3057\u3066\u3044\u304d\u307e\u3059\u3002
\n\u958b\u767a\u306e\u898f\u6a21\u306b\u3088\u3063\u3066\u306f\u3001\u8907\u96d1\u6027\u304c\u5927\u304d\u304f\u306a\u308b\u3053\u3068\u306f\u907f\u3051\u3089\u308c\u306a\u3044\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u826f\u304f\u8003\u3048\u305a\u306b\u30b3\u30fc\u30c9\u3092\u66f8\u304d\u9032\u3081\u3066\u3057\u307e\u3046\u3068\u3001\u7d50\u679c\u7684\u306b\u624b\u304c\u4ed8\u3051\u3089\u308c\u306a\u3044\u72b6\u614b\u306b\u9665\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n
JavaScript\u306b\u306f\u3001\u30b3\u30fc\u30c9\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u306e\u4fbf\u5229\u306a\u30c4\u30fc\u30eb\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u307e\u305a\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u3063\u3066\u3044\u304f\u6bb5\u968e\u304b\u3089\u30b3\u30fc\u30c9\u304c\u9069\u5207\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u610f\u8b58\u3057\u3066\u3044\u304f\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002
\n\u305d\u3053\u3067\u4eca\u56de\u306f\u3001\u8aad\u307f\u3084\u3059\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u305f\u3081\u306b\u610f\u8b58\u3059\u3079\u304d\u30dd\u30a4\u30f3\u30c8\u3092\u7d39\u4ecb\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n
\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u306e\u898f\u7bc4\u306bUNIX\u54f2\u5b66\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002
\nUNIX OS\u306e\u958b\u767a\u8005\u305f\u3061\u306e\u7d4c\u9a13\u306b\u57fa\u3065\u3044\u305f\u3068\u3055\u308c\u3066\u3044\u308b\u3082\u306e\u3067\u3001\u305d\u306e\u4e2d\u306b\u306f\u300cDo one thing and do it well\u300d\u3068\u3044\u3046\u6709\u540d\u306a\u8a00\u8449\u304c\u3042\u308a\u307e\u3059\u3002
\n\u3064\u307e\u308a\u3001\u4e00\u3064\u306e\u3053\u3068\u3092\u3046\u307e\u304f\u3084\u308b\u3068\u3044\u3046\u683c\u8a00\u3067\u3059\u3002<\/p>\n
\u4f8b\u3048\u3070\u3001JavaScript\u306b\u304a\u3044\u3066\u3082\u3001index.js\u30d5\u30a1\u30a4\u30eb\u306b\u3059\u3079\u3066\u307e\u3068\u3081\u3066\u66f8\u304f\u306e\u3067\u306f\u306a\u304f\u3001\u5f79\u5272\u3054\u3068\u306b\u30d5\u30a1\u30a4\u30eb\u3092\u5206\u5272\u3057\u3066\u66f8\u304f\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059\u3002
\n\u4f3c\u305f\u3088\u3046\u306a\u6a5f\u80fd\u3084\u95a2\u6570\u3067\u3042\u3063\u3066\u3082\u7570\u306a\u308b\u30d5\u30a1\u30a4\u30eb\u306b\u5206\u3051\u308b\u3053\u3068\u3067\u3001\u5f79\u5272\u3092\u3088\u308a\u660e\u78ba\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3044\u3066\u300cDon\u2019t repeat yourself\u300d\u3068\u3044\u3046\u91cd\u8907\u3092\u9632\u3050\u8003\u3048\u65b9\u304c\u3042\u308a\u307e\u3059\u3002
\n\u4f55\u5ea6\u3082\u540c\u3058\u3088\u3046\u306a\u30b3\u30fc\u30c9\u304c\u51fa\u73fe\u3059\u308b\u306e\u3092\u907f\u3051\u308b\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u3002<\/p>\n
\u91cd\u8907\u7b87\u6240\u304c\u591a\u6570\u306b\u6e21\u308b\u3068\u3001\u5358\u7d14\u306b\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u6642\u9593\u3068\u4fee\u6b63\u306e\u624b\u9593\u304c\u304b\u304b\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u4e0d\u5fc5\u8981\u306a\u30b3\u30fc\u30c9\u306b\u3088\u3063\u3066\u4e0d\u5177\u5408\u304c\u751f\u3058\u308b\u539f\u56e0\u3068\u306a\u308a\u307e\u3059\u3002
\n\u305d\u306e\u305f\u3081\u3001\u4f3c\u305f\u52d5\u304d\u3092\u3059\u308b\u95a2\u6570\u306f\u62bd\u8c61\u5ea6\u3092\u9ad8\u3081\u3066\u4e00\u3064\u306b\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n
\u30b3\u30fc\u30c9\u5168\u4f53\u3092\u898b\u305f\u3068\u304d\u306b\u3001\u8907\u96d1\u6027\u304c\u4f4e\u304f\u3088\u308a\u7406\u89e3\u3057\u3084\u3059\u3044\u69cb\u9020\u3092\u5fc3\u304c\u3051\u308b\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\n
\u5909\u6570\u306b\u4f55\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u306e\u304b\u3001\u95a2\u6570\u306b\u306f\u3069\u306e\u3088\u3046\u306a\u76ee\u7684\u304c\u3042\u308b\u306e\u304b\u3001\u30d7\u30ed\u30b0\u30e9\u30de\u306f\u305d\u308c\u3089\u306e\u540d\u524d\u3092\u898b\u3066\u610f\u56f3\u3092\u5224\u65ad\u3057\u307e\u3059\u3002
\n\u305d\u306e\u305f\u3081\u3001\u30d1\u30c3\u3068\u898b\u3066\u5909\u6570\u3084\u95a2\u6570\u306e\u610f\u56f3\u304c\u7d44\u307f\u53d6\u308c\u308b\u3088\u3046\u306b\u3001\u9069\u5207\u306a\u540d\u524d\u3092\u4ed8\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u5408\u3067\u3059\u3002
\n\u5f8c\u8005\u306e\u65b9\u304c\u30d1\u30c3\u3068\u898b\u3066\u5224\u65ad\u3057\u3084\u3059\u3044\u306e\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n
\/\/ \u60aa\u3044\u4f8b\r\nlet p;\r\nfunction pSound() {}\r\n\r\n\/\/ \u826f\u3044\u4f8b\r\nlet playlist;\r\nfunction playSound() {}<\/code><\/pre>\n<\/div>\n\u5909\u6570\u540d\u3092\u77ed\u7e2e\u3057\u3066\u66f8\u3051\u308b\u5834\u5408\u306f\u3001\u3067\u304d\u308b\u3060\u3051\u77ed\u304f\u7c21\u6f54\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n
\n\/\/ \u60aa\u3044\u4f8b\r\nlet songCollection;\r\n\r\n\/\/ \u826f\u3044\u4f8b\r\nlet songs;<\/code><\/pre>\n<\/div>\n\u9069\u5207\u306a\u30b3\u30e1\u30f3\u30c8\u3092\u6b8b\u3059<\/strong><\/h2>\n\u4e0a\u8a18\u3067\u6319\u3052\u305f\u5909\u6570\u540d\u306e\u4ed8\u3051\u65b9\u306b\u3082\u5171\u901a\u3057\u307e\u3059\u304c\u3001\u9069\u5207\u306a\u30b3\u30e1\u30f3\u30c8\u304c\u6b8b\u3055\u308c\u3066\u3044\u308b\u3068\u30b3\u30fc\u30c9\u3092\u8aad\u3080\u52a9\u3051\u306b\u306a\u308a\u307e\u3059\u3002
\n\u305d\u306e\u305f\u3081\u3001\u5f8c\u304b\u3089\u81ea\u5206\u3067\u898b\u8fd4\u3057\u3066\u3082\u7406\u89e3\u3067\u304d\u308b\u3053\u3068\u3001\u4ed6\u306e\u4eba\u304c\u898b\u3066\u3082\u5206\u304b\u308b\u3088\u3046\u306b\u30b3\u30e1\u30f3\u30c8\u3092\u6b8b\u3059\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n
\u4f8b\u3048\u3070\u3001\u300c\u5f8c\u3067\u4fee\u6b63\u3059\u308b\u300d \u3068\u3044\u3046\u30b3\u30e1\u30f3\u30c8\u304c\u3042\u3063\u3066\u3082\u3001\u4f55\u306e\u305f\u3081\u306b\u4f55\u3092\u4fee\u6b63\u3059\u308b\u306e\u304b\u5224\u65ad\u3067\u304d\u307e\u305b\u3093\u3002
\n\u5fc5\u8981\u306a\u60c5\u5831\u3067\u3042\u308c\u3070\u3001\u3088\u308a\u5177\u4f53\u7684\u306b\u30b3\u30e1\u30f3\u30c8\u3092\u6b8b\u3059\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n
\n\/\/ \u60aa\u3044\u4f8b\r\nfunction playSound() {} \/\/ TODO\uff1a\u5f8c\u3067\u4fee\u6b63\u3059\u308b\r\n\r\n\/\/ \u826f\u3044\u4f8b\r\nfunction playSound() {} \/\/ TODO\uff1a\u518d\u751f\u6642\u9593\u304c\u77ed\u3059\u304e\u308b\u305f\u3081\u300130\u79d2\u304b\u30891\u5206\u306b\u4fee\u6b63\u3059\u308b<\/code><\/pre>\n<\/div>\n\u4e00\u65b9\u3001\u30b3\u30fc\u30c9\u304c\u81ea\u660e\u306a\u3082\u306e\u306b\u5bfe\u3057\u3066\u30b3\u30e1\u30f3\u30c8\u3092\u6b8b\u3057\u3066\u3057\u307e\u3046\u3068\u3001\u304b\u3048\u3063\u3066\u53ef\u8aad\u6027\u304c\u4e0b\u304c\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n
\nlet playlist; \/\/ \u30d7\u30ec\u30a4\u30ea\u30b9\u30c8\u3092\u4fdd\u5b58\u3059\u308b\u305f\u3081\u306e\u5909\u6570<\/code><\/pre>\n<\/div>\n\u30b3\u30e1\u30f3\u30c8\u3092\u6b8b\u3059\u969b\u306b\u306f\u3001\u30b3\u30e1\u30f3\u30c8\u3092\u66f8\u304f\u4fa1\u5024\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3082\u610f\u8b58\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u4e00\u8cab\u6027\u3092\u4fdd\u3064<\/strong><\/h2>\n\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u898f\u7d04\u3068\u3057\u3066\u3001\u30b3\u30fc\u30c9\u306e\u66f8\u304d\u65b9\u3092\u7d71\u4e00\u3059\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u4f8b\u3048\u3070\u3001\u30a4\u30f3\u30c7\u30f3\u30c8\u306e\u30b9\u30da\u30fc\u30b9\u304c2\u3064\u3067\u3042\u3063\u305f\u308a4\u3064\u3067\u3042\u3063\u305f\u308a\u3001{}\u5185\u306b\u30b9\u30da\u30fc\u30b9\u304c\u3042\u3063\u305f\u308a\u306a\u304b\u3063\u305f\u308a\u3059\u308b\u3068\u3001\u30b3\u30fc\u30c9\u5168\u4f53\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u60aa\u304f\u306a\u308a\u53ef\u8aad\u6027\u304c\u4e0b\u304c\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n
\nconst validation = ( password ) => { \/\/ ()\u4e2d\u306e\u5f15\u6570\u306e\u5de6\u53f3\u306b\u7121\u99c4\u306a\u30b9\u30da\u30fc\u30b9\u304c\u3042\u308b\r\n return new Promise((resolve, reject) => {\r\n if (password.length >= 8){ \/\/ ()\u3068{}\u306e\u9593\u306b\u30b9\u30da\u30fc\u30b9\u304c\u306a\u3044\r\n resolve({\r\n password: password,\r\n });\r\n } else {\r\n reject('\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u6587\u5b57\u6570\u304c\u5236\u9650\u3092\u6e80\u305f\u3057\u3066\u3044\u307e\u305b\u3093') \/\/ \u4ed6\u306f\u30a4\u30f3\u30c7\u30f3\u30c8\u306e\u30b9\u30da\u30fc\u30b9\u304c2\u3064\u306a\u306e\u306b\u3001\u3053\u3053\u3060\u3051\u30b9\u30da\u30fc\u30b9\u304c4\u3064\u306b\u306a\u3063\u3066\u3044\u308b\r\n }\r\n });\r\n};<\/code><\/pre>\n<\/div>\n\u30c1\u30fc\u30e0\u5358\u4f4d\u3084\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5358\u4f4d\u3067\u30eb\u30fc\u30eb\u304c\u5909\u308f\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002
\n\u307e\u305a\u306f\u3001\u666e\u6bb5\u304b\u3089\u4e00\u8cab\u6027\u306e\u3042\u308b\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u7fd2\u6163\u3092\u8eab\u306b\u4ed8\u3051\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u30b3\u30fc\u30c9\u3092\u5206\u3051\u308b<\/h2>\n
\u4e00\u884c\u3042\u305f\u308a\u306e\u6587\u5b57\u6570\u304c\u9577\u3059\u304e\u305f\u308a\u3001\u8907\u6570\u306e\u6a5f\u80fd\u3092\u6301\u3064\u30b3\u30fc\u30c9\u3092\u4e00\u884c\u306b\u307e\u3068\u3081\u3066\u3057\u307e\u3046\u3068\u3001\u8aad\u307f\u306b\u304f\u304f\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002
\n\u7121\u7406\u306b\u4e00\u884c\u306b\u307e\u3068\u3081\u305a\u306b\u3001\u6a5f\u80fd\u3084\u6642\u7cfb\u5217\u3054\u3068\u306b\u5206\u5272\u3059\u308b\u3053\u3068\u3082\u8003\u3048\u307e\u3057\u3087\u3046\u3002<\/p>\n
\n\/\/ \u60aa\u3044\u4f8b\r\nvalidation(password).then(result => console.log(result)).catch(error => console.log(error));\r\n\r\n\/\/ \u826f\u3044\u4f8b\r\nvalidation(password).then(\r\n\u3000\u3000result => console.log(result),\r\n\u3000\u3000error => console.log(error)\r\n);<\/code><\/pre>\n<\/div>\n\u307e\u305f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3084\u914d\u5217\u306e\u8981\u7d20\u304c\u591a\u3044\u5834\u5408\u306b\u3082\u540c\u3058\u3053\u3068\u304c\u8a00\u3048\u307e\u3059\u3002<\/p>\n
\n\/\/ \u60aa\u3044\u4f8b\r\nconst giftlist = { mother: 'candle', father: 'book', sister: 'earphone', niece: 'gloves' };\r\n\r\n\/\/ \u826f\u3044\u4f8b\r\nconst giftlist = {\r\n mother: 'candle',\r\n father: 'book',\r\n sister: 'earphone',\r\n niece: 'gloves'\r\n};<\/code><\/pre>\n<\/div>\n\u8981\u7d20\u304c\u5c11\u306a\u3044\u5834\u5408\u306b\u306f\u4e00\u884c\u306b\u307e\u3068\u3081\u3066\u66f8\u304f\u306e\u3082\u826f\u3044\u3067\u3059\u304c\u30013\u3064\u4ee5\u4e0a\u30ad\u30fc\u304c\u3042\u308b\u5834\u5408\u306b\u306f\u3001\u5206\u5272\u3059\u308b\u3053\u3068\u3092\u5fc3\u304c\u3051\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u307e\u3068\u3081<\/h2>\n
\u4eca\u56de\u306f\u3001JavaScript\u3067\u8aad\u307f\u3084\u3059\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u305f\u3081\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002<\/p>\n
\u73fe\u5728\u306f\u3001\u30b3\u30fc\u30c9\u3092\u4fee\u6b63\u3059\u308b\u305f\u3081\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3082\u8c4a\u5bcc\u306b\u3042\u308a\u307e\u3059\u304c\u3001\u305d\u308c\u4ee5\u524d\u306b\u8aad\u307f\u3084\u3059\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u7fd2\u6163\u3092\u3064\u3051\u308b\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002
\n\u958b\u767a\u6642\u306e\u751f\u7523\u6027\u5411\u4e0a\u306b\u3082\u7e4b\u304c\u308b\u305f\u3081\u3001\u53c2\u8003\u306b\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u8aad\u307f\u3084\u3059\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u305f\u3081\u306e\u95a2\u9023\u8a18\u4e8b<\/h2>\n
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