{"id":2454,"date":"2022-02-02T09:02:34","date_gmt":"2022-02-02T00:02:34","guid":{"rendered":"https:\/\/www.buddy.info-lab.co.jp\/?p=2454"},"modified":"2022-02-02T09:02:34","modified_gmt":"2022-02-02T00:02:34","slug":"22-2-2%e3%80%80%e3%80%90%e3%83%97%e3%83%ad%e3%82%b0%e3%83%a9%e3%83%9f%e3%83%b3%e3%82%b0%e3%81%ae%e7%bd%a0%e3%80%91es6%e3%81%a8babel%e3%81%a8ie","status":"publish","type":"post","link":"https:\/\/www.buddy.info-lab.co.jp\/?p=2454","title":{"rendered":"22.2.2\u3000\u3010\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u7f60\u3011ES6\u3068Babel\u3068IE"},"content":{"rendered":"

Javascript\u8a00\u8a9e\u306f\u3001\u3082\u3068\u3082\u3068\u306f\u5404Web\u30d6\u30e9\u30a6\u30b6\u3067\u306e\u9055\u3044\u304c\u5927\u304d\u304b\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u73fe\u5728\u3067\u306f\u6a19\u6e96\u5316\u304c\u9032\u3093\u3067\u3044\u307e\u3059\u3002\u6a19\u6e96\u5316\u3055\u308c\u305f\u540d\u79f0\u304cECMAScript\u3067\u3059\u3002\u305d\u306e\u7b2c6\u7248\u304c\u901a\u79f0\u3068\u3057\u3066ES6\u3068\u547c\u3070\u308c\u3001\u898f\u683c\u3068\u3057\u3066\u306e\u6b63\u5f0f\u540d\u79f0\u306fECMAScript2015\u3067\u3059\u3002\u305d\u306e\u5f8c\u306e\u3055\u3089\u306b\u65b0\u3057\u3044\u898f\u683c\u3068\u3057\u3066ECMAScript2017\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6700\u8fd1\u306e\u898f\u683c\u3067\u306f\u3001Javascript\u8a00\u8a9e\u306e\u5f31\u70b9\u3092\u88dc\u3046\u6539\u826f\u304c\u65bd\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u305c\u3072\u6d3b\u7528\u3057\u305f\u3044\u3082\u306e\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u4e3b\u306a\u6a5f\u80fd\u3060\u3051\u7d39\u4ecb\u3057\u307e\u3059\u304c\u3001ECMAScript2015\u3084ECMAScript2017\u3068\u691c\u7d22\u3057\u3066\u3044\u305f\u3060\u304f\u3068\u89e3\u8aac\u3057\u3066\u3044\u308b\u30b5\u30a4\u30c8\u304c\u3044\u308d\u3044\u308d\u898b\u3064\u304b\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

Buddy\u30a2\u30d7\u30ea\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067\u5b9f\u884c\u3055\u308c\u308b\u306e\u3067\u3001\u4f7f\u3048\u308b\u6a5f\u80fd\u306f\u305d\u306e\u30d6\u30e9\u30a6\u30b6\u306eJavascript\u8a00\u8a9e\u306e\u5b9f\u88c5\u306b\u4f9d\u5b58\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002Edge\u3001Chrome\u3001Firefox\u3068\u3044\u3063\u305f\u30d6\u30e9\u30a6\u30b6\u306f\u307f\u306a\u6700\u8fd1\u306eJavascript\u306e\u898f\u683c\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u304c\u3001IE\uff08Internet Explorer\uff09\u306f\u57fa\u672c\u7684\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n

\u3057\u304b\u3057\u3001IE\u3067\u3082ES6\u306e\u65b0\u3057\u3044\u6a5f\u80fd\u3092\u4f7f\u3048\u308b\u3088\u3046\u306b\u3059\u308bBabel\u3068\u3044\u3046\u4ed5\u7d44\u307f\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306fES6\u306e\u6587\u6cd5\u3067\u66f8\u304b\u308c\u305f\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u53e4\u3044ES5\u3067\u5b9f\u884c\u3067\u304d\u308b\u30b9\u30af\u30ea\u30d7\u30c8\u306b\u5909\u63db\u3057\u3066\u304f\u308c\u308b\u3082\u306e\u3067\u3059\u3002Buddy\u3067\u306f\u30a2\u30d7\u30ea\u751f\u6210\u306e\u969b\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3067Babel\u3092\u4f7f\u7528\u3059\u308b\u3088\u3046\u306b\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u5909\u63db\u3055\u308c\u305f\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u5b9f\u884c\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308b\u306e\u3067\u30c7\u30d0\u30c3\u30b0\u306e\u969b\u306b\u30d6\u30e9\u30a6\u30b6\u3067\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u898b\u308b\u3068\u5143\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3068\u306f\u7570\u306a\u308b\u3053\u3068\u306b\u306a\u3063\u3066\u3001\u308f\u304b\u308a\u306b\u304f\u304f\u306a\u308b\u3068\u3044\u3046\u96e3\u70b9\u306f\u3042\u308a\u307e\u3059\u3002<\/p>\n

ES6\u306b\u306a\u308c\u305f\u65b9\u3060\u3068Buddy\u30a2\u30d7\u30ea\u306e\u958b\u767a\u3067\u3082\u4e0b\u8a18\u3067\u3054\u7d39\u4ecb\u3059\u308b\u3088\u3046\u306aES6\u306e\u6a5f\u80fd\u3092\u4f7f\u3063\u305f\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u81ea\u7136\u306b\u66f8\u3044\u3066\u3057\u307e\u3046\u5834\u5408\u3082\u3042\u308b\u3067\u3057\u3087\u3046\u3002\u305d\u308c\u3092Babel\u3092\u4f7f\u7528\u3057\u306a\u3044\u3067\u30a2\u30d7\u30ea\u3068\u3057\u3066\u751f\u6210\u3059\u308b\u3068\u3001Edge\u3001Chrome\u3001Firefox\u3067\u306f\u554f\u984c\u306a\u3044\u304c\u3001IE\u3067\u306f\u52d5\u304b\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002\u30a2\u30d7\u30ea\u958b\u767a\u306e\u4e00\u822c\u7684\u306a\u6ce8\u610f\u4e8b\u9805\u3067\u3059\u304c\u3001\u305d\u306e\u30a2\u30d7\u30ea\u306f\u3069\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u5229\u7528\u3059\u308b\u306e\u304b\u3092\u3042\u3089\u304b\u3058\u3081\u304d\u3061\u3093\u3068\u6c7a\u3081\u3066\u304a\u304f\u3053\u3068\u3001\u305d\u3057\u3066\u5bfe\u8c61\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u30c6\u30b9\u30c8\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002IE\u3092\u5bfe\u8c61\u5916\u3068\u3067\u304d\u308b\u5834\u5408\u306f\u3001ES6\u3092\u3069\u3093\u3069\u3093\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u3001Babel\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u3082\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u4ee5\u4e0a\u304c\u4eca\u56de\u306e\u300c\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u7f60\u300d\u3067\u3059\u304c\u3001ES6\u306e\u65b0\u3057\u3044\u6a5f\u80fd\u304c\u5177\u4f53\u7684\u306b\u308f\u304b\u3089\u306a\u3044\u3068\u30d4\u30f3\u3068\u3053\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002Buddy\u306e\u30a2\u30d7\u30ea\u958b\u767a\u3067\u3082\u3059\u3050\u306b\u5f79\u7acb\u3061\u305d\u3046\u306a\u70b9\u306b\u7d5e\u3063\u3066\u3044\u304f\u3064\u304b\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n

let\u3068const<\/h4>\n

\u5909\u6570\u306e\u5b9a\u7fa9\u306f\u5f93\u6765\u306fvar\u3067\u884c\u3044\u307e\u3059\u304c\u3001var\u306b\u306f\u3001\u4f55\u5ea6\u3082\u540c\u3058\u5909\u6570\u3092\u5b9a\u7fa9\u3067\u304d\u308b\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u5168\u4f53\u304b\u3089\u898b\u3048\u308b\u3001\u3068\u3044\u3046\u5927\u304d\u306a\u5f31\u70b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\n
\r\nvar a = 1;\r\nif(true) {\r\n\tvar a = 2;\r\n}\r\nconsole.log(a);\r\n<\/pre>\n<\/div>\n
\u3053\u306e\u5834\u5408\u3001\u6700\u521d\u306e var a \u3068\u3001if\u306e\u4e2d\u306e var a \u306f\u540c\u3058\u5909\u6570\u306b\u306a\u308a\u3001\u6700\u5f8c\u306econsole.log\u306f 2 \u3068\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u5909\u6570\u306e\u5b9a\u7fa9\u306f\u3001\u672c\u6765\u306f\u4e00\u5ea6\u3060\u3051\u9069\u5207\u306a\u5834\u6240\u3067\u884c\u308f\u308c\u308b\u3079\u304d\u3082\u306e\u3067\u3001\u305d\u3046\u3067\u306a\u3044\u72b6\u6cc1\u306f\u30d0\u30b0\u306e\u539f\u56e0\u306b\u306a\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u30b3\u30d4\u30fc\u30a2\u30f3\u30c9\u30da\u30fc\u30b9\u30c8\u3067\u7de8\u96c6\u3057\u305f\u308a\u3059\u308b\u3068\u540c\u3058\u540d\u524d\u306e\u5909\u6570\u3092\u4e8c\u7b87\u6240\u4ee5\u4e0a\u3067\u5b9a\u7fa9\u3057\u3066\u3044\u308b\u72b6\u6cc1\u304c\u751f\u307e\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u3001var \u3067\u306f\u3053\u308c\u304c\u30a8\u30e9\u30fc\u306b\u306a\u3089\u306a\u3044\u305f\u3081\u3001\u6c17\u3065\u304d\u306b\u304f\u3044\u306e\u3067\u3059\u3002<\/p>\n
let\u306fvar\u3068\u540c\u69d8\u306b\u5909\u6570\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u304c\u3001\u6307\u5b9a\u306e\u5909\u6570\u540d\u304c\u65e2\u5b58\u3060\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001{ } \u306e\u9593\u3067\u3042\u308c\u3070\u305d\u306e\u4e2d\u306b\u6709\u52b9\u7bc4\u56f2\u304c\u9650\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p>\n
\n
\r\nlet a = 1;\r\nif(true) {\r\n\tlet a = 2;\r\n}\r\nconsole.log(a);\r\n<\/pre>\n<\/div>\n
\u3053\u306e\u3088\u3046\u306b\u5148\u307b\u3069\u306e var \u3092 let \u306b\u8fd4\u308b\u3068\u3001\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u306fif\u306e\u4e2d\u306e let a \u306e\u3068\u3053\u308d\u3067\u300ca \u306f\u3059\u3067\u306b\u3042\u308b\u3088\u300d\u3068\u3044\u3046\u610f\u5473\u306e\u30a8\u30e9\u30fc\u4e8c\u306a\u308a\u307e\u3059\u3002<\/p>\n
\n
\r\nlet a = 1;\r\nif(true) {\r\n\tlet b = 2;\r\n}\r\na = b;\r\nconsole.log(a);\r\n<\/pre>\n<\/div>\n
\u3053\u3046\u3059\u308c\u3070let\u3067\u306e\u30a8\u30e9\u30fc\u306f\u8d77\u3053\u308a\u307e\u305b\u3093\u304c\u3001a = b; \u306e\u3068\u3053\u308d\u3067\u300cb\u306f\u672a\u5b9a\u7fa9\u300d\u3068\u3044\u3046\u610f\u5473\u306e\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002let b \u306fif\u306e{ }\u306e\u4e2d\u306b\u3042\u308b\u305f\u3081\u3001\u305d\u306e\u4e2d\u3060\u3051\u3067\u6709\u52b9\u306a\u5909\u6570\u3068\u306a\u308a\u3001\u5916\u5074\u3067\u4f7f\u304a\u3046\u3068\u3059\u308b\u3068\u3053\u3046\u306a\u308b\u308f\u3051\u3067\u3059\u3002
\nvar \u3060\u3068\u3042\u308b\u3068\u3053\u308d\u3067\u5b9a\u7fa9\u3057\u3066\u4f7f\u3063\u305f\u5909\u6570\u304c\u3001\u7121\u95a2\u4fc2\u306a\u3068\u3053\u308d\u3067\u3082\u898b\u3048\u3066\u3057\u307e\u3063\u3066\u30d0\u30b0\u306e\u539f\u56e0\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u304c\u3001let \u3067\u306f\u305d\u308c\u304c\u9632\u3052\u307e\u3059\u3002<\/p>\n
const \u306f let \u3068\u540c\u69d8\u3067\u3059\u304c\u3001\u5b9a\u7fa9\u3057\u305f\u5909\u6570\u306e\u5024\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u3068\u3044\u3046\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\n
\r\nconst c = 1;\r\nc = 2;\r\n<\/pre>\n<\/div>\n
\u3053\u308c\u306f c = 2; \u306e\u3068\u3053\u308d\u3067\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002\u5909\u66f4\u3055\u308c\u308b\u3079\u304d\u3067\u306a\u3044\u3082\u306e\u306f const \u306b\u3057\u3066\u304a\u304f\u3068\u5b89\u5fc3\u3067\u3059\u3002<\/p>\n
\u30a2\u30ed\u30fc\u95a2\u6570<\/h4>\n
Javascript\u3067\u306f\u7121\u540d\u95a2\u6570\u3092\u3088\u304f\u4f7f\u3044\u307e\u3059\u3002\u4ee3\u8868\u7684\u306a\u3082\u306e\u304c\u975e\u540c\u671f\u51e6\u7406\u3067\u306e\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u3067\u3059\u3002\u4f8b\u3048\u3070Buddy\u3067\u306fDB\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u51fa\u3059readData\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\n
\r\nthis.tables.table1.readData(options, function(err, data){\r\n\t\u2026\r\n});\r\n<\/pre>\n<\/div>\n
\u3053\u306e function(err, data){ \u2026 } \u304c\u7121\u540d\u95a2\u6570\u3067\u3059\uff08\u901a\u5e38\u306e\u95a2\u6570\u5b9a\u7fa9\u3067\u3042\u308c\u3070 function \u306e\u5f8c\u306e\u62ec\u5f27\u306e\u524d\u306b\u3042\u308b\u95a2\u6570\u540d\u304c\u3042\u308a\u307e\u305b\u3093\uff09\u3002readData\u306e\u51e6\u7406\u304c\u7d42\u308f\u308b\u3068\u3053\u306e\u7121\u540d\u95a2\u6570\u304c\u547c\u3070\u308c\u3001\u5f15\u6570\u306eerr\u3084data\u3067\u7d50\u679c\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
\n\u3053\u308c\u3092ES6\u306e\u30a2\u30ed\u30fc\u95a2\u6570\u3067\u66f8\u304f\u3068\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002function \u3092\u7701\u7565\u3057\u3066 ) \u3068 { \u306e\u9593\u306b => \u3092\u66f8\u304d\u307e\u3059\u3002<\/p>\n
\n
\r\nthis.tables.table1.readData(options, (err, data) => {\r\n\t\u2026\r\n});\r\n<\/pre>\n<\/div>\n
\u3053\u308c\u3060\u3051\u3060\u3068\u3001\u66f8\u304d\u65b9\u304c\u7c21\u4fbf\u306b\u306a\u3063\u305f\u304f\u3089\u3044\u306e\u3053\u3068\u3067\u3059\u304c\u3001\u5f93\u6765\u306e\u7121\u540d\u95a2\u6570\u3068\u306fthis\u306e\u6271\u3044\u304c\u7570\u306a\u308a\u307e\u3059\u3002\u5f93\u6765\u306e\u7121\u540d\u95a2\u6570\u3067\u306fthis\u306f\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u304c\u3001\u30a2\u30ed\u30fc\u95a2\u6570\u3067\u306f\u5b9a\u7fa9\u6642\u306ethis\u306b\u306a\u308a\u307e\u3059\u3002
\n\u4f8b\u3048\u3070\u4e0a\u8a18\u306e\u4f8b\u3067\u3001\u5f97\u3089\u308c\u305f\u30ec\u30b3\u30fc\u30c9\u6570\u3092LABEL1\u306b\u30bb\u30c3\u30c8\u3057\u3066\u8868\u793a\u3057\u305f\u3044\u5834\u5408\u3001\u5f93\u6765\u306e\u7121\u540d\u95a2\u6570\u3067\u306f\u3001<\/p>\n
\n
\r\nthis.tables.table1.readData(options, (function(err, data){\r\n\tthis.items.LABEL1.setValue(data.length);\r\n}).bind(this));\r\n<\/pre>\n<\/div>\n
\u306e\u3088\u3046\u306b\u3001bind(this) \u3092\u4ed8\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u30a2\u30ed\u30fc\u95a2\u6570\u3067\u306f\u3001<\/p>\n
\n
\r\nthis.tables.table1.readData(options, (err, data) => {\r\n\tthis.items.LABEL1.setValue(data.length);\r\n});\r\n<\/pre>\n<\/div>\n
\u3068\u3001bind(this)\u7121\u3057\u3067OK\u3067\u3001\u975e\u5e38\u306b\u3059\u3063\u304d\u308a\u3057\u307e\u3059\u3002<\/p>\n
\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u6587\u5b57\u5217<\/h4>\n
Javascript\u3067\u306f\u6587\u5b57\u5217\u306f\u30b7\u30f3\u30b0\u30eb\u30af\u30a9\u30fc\u30c8\u300c’\u300d\u307e\u305f\u306f\u30c0\u30d6\u30eb\u30af\u30a9\u30fc\u30c8\u300c”\u300d\u3067\u56f2\u307f\u307e\u3059\u3002ES6\u3067\u306f\u3053\u308c\u306b\u52a0\u3048\u3066\u30d0\u30c3\u30af\u30af\u30a9\u30fc\u30c8\u300c`\u300d\u3067\u56f2\u3080\u3053\u3068\u304c\u3067\u304d\u3001\u305d\u306e\u5834\u5408\u306f ${\u5909\u6570\u540d} \u3067\u5909\u6570\u306e\u5024\u3092\u57cb\u3081\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u9014\u4e2d\u306b\u6539\u884c\u3092\u5165\u308c\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u5f93\u6765\u3067\u3042\u308c\u3070\u3001<\/p>\n
\n
\r\nconst name = '\u540d\u524d';\r\nconst age = 25;\r\nconst s = \"\u540d\u524d: \" + name + \"\\n\u5e74\u9f62: \" + age + \"\\n\";\r\n<\/pre>\n<\/div>\n
\u3068\u66f8\u304f\u3068\u3053\u308d\u3092\u3001<\/p>\n
\n
\r\nconst name = '\u540d\u524d';\r\nconst age = 25;\r\nconst s = `\u540d\u524d: ${name}\r\n\u5e74\u9f62: ${age}\r\n`;\r\n<\/pre>\n<\/div>\n
\u3068\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u3044\u304f\u3064\u304b\u9650\u5b9a\u3057\u3066\u3054\u7d39\u4ecb\u3057\u307e\u3057\u305f\u304c\u3001ES6\u306e\u65b0\u3057\u3044\u6a5f\u80fd\u306f\u3053\u306e\u307b\u304b\u306b\u3082\u305f\u304f\u3055\u3093\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u691c\u7d22\u3057\u3066\u8abf\u3079\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
\uff082022\/2\/2 \u4e2d\u5cf6\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"
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