{"id":6037,"date":"2021-02-26T14:01:11","date_gmt":"2021-02-26T05:01:11","guid":{"rendered":"http:\/\/www.otwo.jp\/blog\/?p=6037"},"modified":"2021-02-26T14:01:11","modified_gmt":"2021-02-26T05:01:11","slug":"asynchronous-processing","status":"publish","type":"post","link":"https:\/\/www.otwo.jp\/blog\/asynchronous-processing\/","title":{"rendered":"JavaScript\u306e\u975e\u540c\u671f\u51e6\u7406\u3092\u540c\u671f\u3055\u305b\u308b\u65b9\u6cd5\u3010\u521d\u5fc3\u8005\u5411\u3051\u3011"},"content":{"rendered":"

\"\"
\n\u3053\u3093\u306b\u3061\u306fWEB\u306e\u4f50\u91ce\u3067\u3059\u3002
\n\u4e45\u3057\u3076\u308a\u306e\u6295\u7a3f\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u4eca\u56de\u306fJavaScript\u306e\u975e\u540c\u671f\u51e6\u7406\u306b\u3064\u3044\u3066\u306e\u5185\u5bb9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u3053\u306e\u8a18\u4e8b\u3067\u306f\u975e\u540c\u671f\u51e6\u7406\u3067\u60f3\u5b9a\u3057\u305f\u7d50\u679c\u306b\u306a\u3089\u306a\u304b\u3063\u305f\u30b1\u30fc\u30b9\u3092\u4eee\u5b9a\u3057\u3066\u3001\u305d\u306e\u89e3\u6c7a\u7b56\u3092\u5b9f\u969b\u306b\u30b3\u30fc\u30c9\u3092\u898b\u306a\u304c\u3089\u8aac\u660e\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u3053\u3053\u3067\u7d39\u4ecb\u3059\u308b\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u7406\u89e3\u3059\u308b\u306e\u306f\u8aac\u660e\u3082\u9577\u304f\u306a\u308a\u307e\u3059\u306e\u3067\u3001\u4eca\u56de\u306f\u4f7f\u3044\u65b9\u306e\u30a4\u30e1\u30fc\u30b8\u3092\u63b4\u3081\u308b\u7a0b\u5ea6\u3067\u7d39\u4ecb\u3057\u307e\u3059\u3002
\n\u3088\u308d\u3057\u3051\u308c\u3070\u5b9f\u969b\u306b\u30b3\u30fc\u30c9\u3092\u52d5\u304b\u3057\u306a\u304c\u3089\u6700\u5f8c\u307e\u3067\u304a\u4ed8\u304d\u5408\u3044\u304f\u3060\u3055\u3044\u3002<\/p>\n

\n

\u3082\u304f\u3058<\/p>\n

\n
\u975e\u540c\u671f\u51e6\u7406\u3068\u306f<\/a><\/dt>\n
\u540c\u671f\u51e6\u7406\u3092\u4f5c\u308b\u65b9\u6cd5<\/a><\/dt>\n
\u30b3\u30fc\u30eb\u30d0\u30c3\u30af<\/a><\/dd>\n
Promise<\/a><\/dd>\n
async\/await<\/a><\/dd>\n<\/dl>\n<\/div>\n

\u975e\u540c\u671f\u51e6\u7406\u3068\u306f<\/h2>\n

\u307e\u305a\u975e\u540c\u671f\u51e6\u7406\u3063\u3066\u3069\u3093\u306a\u3082\u306e\u304b\u3092\u7c21\u5358\u306b\u8aac\u660e\u3057\u307e\u3059\u3002
\n\u975e\u540c\u671f\u51e6\u7406\u306f\u5b9f\u884c\u3057\u305f\u51e6\u7406\u306e\u5b8c\u4e86\u3092\u5f85\u305f\u305a\u306b\u6b21\u306e\u51e6\u7406\u3092\u5b9f\u884c\u3059\u308b\u52d5\u304d<\/span>\u306e\u4e8b\u3067\u3059\u3002
\n\u9006\u306b\u540c\u671f\u51e6\u7406\u306f\u5b9f\u884c\u3057\u305f\u51e6\u7406\u306e\u5b8c\u4e86\u3092\u5f85\u3063\u3066\u6b21\u306e\u51e6\u7406\u3092\u5b9f\u884c\u3059\u308b\u52d5\u304d<\/span>\u3068\u3057\u3066\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n

\u3053\u3053\u3067\u306f\u4f8b\u3068\u3057\u30662\u3064\u306e\u5909\u6570\u3092\u8db3\u3057\u7b97\u3059\u308b\u30b3\u30fc\u30c9\u3067\u8aac\u660e\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\n
let int1 = 0;\r\nlet int2 = 0;\r\n\r\n\/\/ int1\u3068int2\u306b\u5024\u3092\u30bb\u30c3\u30c8\u3059\u308b\u95a2\u6570\r\nfunction set_int(a, b){\r\n  int1 = a;\r\n  int2 = b;\r\n}\r\n\r\n\/\/ int1\u3068int2\u3092\u8db3\u3057\u7b97\u3059\u308b\u95a2\u6570\r\nfunction sum_int(){\r\n  alert(int1 + int2);\r\n}\r\n\r\nset_int(1, 2);  \/\/ \u5909\u6570\u306b\u5024\u3092\u30bb\u30c3\u30c8\r\nsum_int();      \/\/ \u8db3\u3057\u7b97\u3057\u305f\u3082\u306e\u3092\u30a2\u30e9\u30fc\u30c8\u3067\u8868\u793a\r\n<\/code><\/pre>\n<\/div>\n
\u3053\u308c\u3092\u5b9f\u884c\u3059\u308b\u3068\u30a2\u30e9\u30fc\u30c8\u3067”3″\u304c\u5b9f\u884c\u3055\u308c\u308b\u3053\u3068\u304c\u89e3\u308a\u307e\u3059\u3002
\n\u3053\u308c\u304f\u3089\u3044\u30b7\u30f3\u30d7\u30eb\u3067\u3042\u308c\u3070\u975e\u540c\u671f\u3092\u610f\u8b58\u3059\u308b\u3053\u3068\u3082\u306a\u3044\u306e\u3067\u3059\u304c\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3069\u3046\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n
\n
let int1 = 0;\r\nlet int2 = 0;\r\n\r\n\/\/ int1\u3068int2\u306b\u5024\u3092\u30bb\u30c3\u30c8\u3059\u308b\u95a2\u6570\r\nfunction set_int(a, b){\r\n  setTimeout(function(){\u3000\/\/ \u51e6\u7406\u306e\u5b9f\u884c\u306b1\u79d2\u306e\u9045\u5ef6\r\n    int1 = a;\r\n    int2 = b;\r\n  }, 1000);\r\n}\r\n\r\n\/\/ int1\u3068int2\u3092\u8db3\u3057\u7b97\u3059\u308b\u95a2\u6570\r\nfunction sum_int(){\r\n  alert(int1 + int2);\r\n}\r\n\r\nset_int(1, 2);  \/\/ \u5909\u6570\u306b\u5024\u3092\u30bb\u30c3\u30c8\r\nsum_int();      \/\/ \u8db3\u3057\u7b97\u3057\u305f\u3082\u306e\u3092\u30a2\u30e9\u30fc\u30c8\u3067\u8868\u793a\r\n<\/code><\/pre>\n<\/div>\n
set_int()\u306e\u547c\u3073\u51fa\u3057\u304b\u3089\u51e6\u7406\u306e\u5b9f\u884c\u307e\u3067\u306b1\u79d2\u306e\u9045\u5ef6\u304c\u51fa\u308b\u69d8\u306b\u3057\u307e\u3057\u305f\u3002
\n\u305d\u306e\u7d50\u679c\u3001\u5b9f\u884c\u7d50\u679c\u304c”0″\u3068\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002
\n\u203b\u7d50\u679c\u304c3\u306e\u4eba\u306f\u6050\u3089\u304f\u30ad\u30e3\u30c3\u30b7\u30e5\u306a\u306e\u3067\u30af\u30ea\u30a2\u3057\u3066\u304f\u3060\u3055\u3044\uff01<\/span><\/p>\n
\u3053\u308c\u306fsum_int()\u304c\u5148\u306b\u5b9f\u884c\u3055\u308c\u305fset_int()\u306e\u5b8c\u4e86\u3092\u5f85\u305f\u305a\u306b\u5b9f\u884c\u3055\u308c\u305f\u7d50\u679c\u3067\u3001\u3053\u306e\u51e6\u7406\u306e\u5b8c\u4e86\u3092\u5f85\u305f\u306a\u3044\u52d5\u304d\u304c\u975e\u540c\u671f\u51e6\u7406\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u540c\u671f\u51e6\u7406\u3092\u4f5c\u308b\u65b9\u6cd5<\/h2>\n
\u6b21\u306b\u5148\u307b\u3069\u306e\u7d50\u679c\u304c”0″\u306b\u306a\u3063\u305f\u30b3\u30fc\u30c9\u3092”3″\u3068\u306a\u308b\u3088\u3046\u306b\u30b3\u30fc\u30c9\u3092\u7d44\u3080\u65b9\u6cd5\u30923\u3064\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n
\n\u30fb\u30b3\u30fc\u30eb\u30d0\u30c3\u30af
\n\u30fbPromise
\n\u30fbasync\/await\n<\/div>\n
\u30b3\u30fc\u30eb\u30d0\u30c3\u30af<\/h3>\n
\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u306f\u304b\u306a\u308a\u30e1\u30b8\u30e3\u30fc\u306a\u65b9\u6cd5\u3067\u3059\u3002
\n\u30b3\u30fc\u30eb(\u5b9f\u884c)\u3059\u308b\u95a2\u6570\u306e\u5f15\u6570\u306b\u51e6\u7406(\u95a2\u6570\u3067\u3082\u53ef)\u3092\u8ffd\u52a0\u3057\u3066\u3001\u5fc5\u8981\u306a\u51e6\u7406\u304c\u7d42\u308f\u3063\u305f\u5f8c\u306b\u5f15\u6570\u306e\u51e6\u7406\u3092\u5b9f\u884c\u3059\u308b\u65b9\u6cd5\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\n
let int1 = 0;\r\nlet int2 = 0;\r\n\r\n\/\/ int1\u3068int2\u306b\u5024\u3092\u30bb\u30c3\u30c8\u3059\u308b\u95a2\u6570\r\nfunction set_int(a, b, callback){\r\n  setTimeout(function(){\r\n    int1 = a;\r\n    int2 = b;\r\n    callback();\r\n  }, 1000);\r\n}\r\n\r\n\/\/ int1\u3068int2\u3092\u8db3\u3057\u7b97\u3059\u308b\u95a2\u6570\r\nfunction sum_int(){\r\n  alert(int1 + int2);\r\n}\r\n\r\nset_int(1, 2, sum_int);\r\n<\/code><\/pre>\n<\/div>\n
\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f\u4e0b\u8a18\u306e\u5909\u66f4\u3092\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\n\u30fb18\u884c\u76ee\u306eset_int()\u306e\u5f15\u6570\u306bsum_int()\u3092\u5f15\u6570\u306b\u8ffd\u52a0
\n\u30fb5\u884c\u76ee\u3067\u5f15\u6570\u306esum_int()\u3092callback\u306e\u540d\u524d\u3067\u53d7\u3051\u53d6\u308b(callback\u306e\u540d\u524d\u306f\u4efb\u610f)
\n\u30fb9\u884c\u76ee\u3067\u5fc5\u8981\u51e6\u7406\u304c\u7d42\u308f\u3063\u305f\u5f8c\u306bcallback\u3092\u5b9f\u884c\n<\/div>\n
\u3082\u3061\u308d\u30939\u884c\u76ee\u3092
\ncallback() \u21d2 sum_int()
\n\u306b\u3057\u3066\u3082\u540c\u69d8\u306e\u7d50\u679c\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u6e1b\u7b97\u3057\u305f\u3044\u3068\u8a00\u3063\u305f\u5834\u5408\u306b\u3082\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u306e\u51e6\u7406\u3092\u5909\u3048\u308b\u3060\u3051\u3067\u5bfe\u5fdc\u3067\u304d\u308b\u306e\u3067\u4f7f\u3044\u52dd\u624b\u304c\u826f\u3044\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n
Promise<\/h3>\n
\u300eJavaScript \u540c\u671f\u300f\u3068\u304b\u3067\u8abf\u3079\u308b\u3068\u5fc5\u305a\u51fa\u3066\u304f\u308bPromise\u306e\u7d39\u4ecb\u3067\u3059\u3002
\n\u3053\u3061\u3089\u3082\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u3068\u540c\u69d8\u306e\u4e8b\u304c\u3067\u304d\u307e\u3059\u304c\u3001\u66f8\u5f0f\u304c\u30ac\u30e9\u3063\u3068\u5909\u308f\u3063\u305f\u308a\u3001Promise\u304c\u5c11\u3057\u72ec\u7279\u306a\u4ed5\u69d8\u3068\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u96e3\u3057\u3055\u3092\u611f\u3058\u308b\u4eba\u3082\u591a\u3044\u306f\u305a\u3002
\n\u3057\u304b\u3057\u975e\u540c\u671f\u51e6\u7406\u3092\u7d44\u3080\u4e0a\u3067\u306f\u5fc5\u9808\u3068\u3082\u8a00\u3048\u308b\u306e\u3067\u3001\u305c\u3072\u899a\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
\n
let int1 = 0;\r\nlet int2 = 0;\r\n\r\n\/\/ int1\u3068int2\u306b\u5024\u3092\u30bb\u30c3\u30c8\u3059\u308b\u95a2\u6570\r\nfunction set_int(a, b){\r\n  return new Promise(function(resolve, reject){\r\n    setTimeout(function(){\r\n      int1 = a;\r\n      int2 = b;\r\n      resolve();    \/\/ \u51e6\u7406\u5b8c\u4e86\r\n      \/\/ reject();  \/\/ \u51e6\u7406\u5931\u6557\r\n    }, 1000);\r\n  });\r\n}\r\n\r\n\/\/ int1\u3068int2\u3092\u8db3\u3057\u7b97\u3059\u308b\u95a2\u6570\r\nfunction sum_int(){\r\n  alert(int1 + int2);\r\n}\r\n\r\n\/\/ \u5909\u6570\u306b\u5024\u3092\u30bb\u30c3\u30c8\r\nset_int(1, 2).then(function(){\r\n  \/\/ resolve\u3060\u3063\u305f\u6642\u306e\u51e6\u7406\r\n  sum_int();\r\n});\r\nset_int(1, 2).catch(function(){\r\n  \/\/ reject\u3060\u3063\u305f\u6642\u306e\u51e6\u7406\r\n  alert(\"...err\");\r\n});\r\n<\/code><\/pre>\n<\/div>\n
Promise\u3092\u77e5\u3089\u306a\u3044\u4eba\u306b\u306f\u898b\u6163\u308c\u306a\u3044\u30b3\u30fc\u30c9\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u3068\u306e\u4f7f\u3044\u5206\u3051\u3068\u3057\u3066\u306f\u3001\u51e6\u7406\u304c\u7169\u96d1\u306b\u306a\u308a\u53ef\u8aad\u6027\u304c\u4e0b\u304c\u308b\u5834\u5408\u306b\u4f7f\u7528\u3055\u308c\u305f\u308a\u3057\u307e\u3059\u3002
\n\u307e\u305f\u3053\u3053\u3067\u306f\u57fa\u672c\u7684\u306a\u8aac\u660e\u306e\u307f\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u4ed6\u306b\u3082\u6a5f\u80fd\u304c\u3042\u308b\u306e\u3067\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u4f7f\u3044\u5206\u3051\u3066\u304f\u3060\u3055\u3044\u3002
\n\u305d\u306e\u8fba\u308a\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u308c\u3066\u3044\u308b\u30b5\u30a4\u30c8\u3092\u8cbc\u3063\u3066\u304a\u304d\u307e\u3059\u306e\u3067\u8208\u5473\u3042\u308b\u65b9\u306f\u305c\u3072\u3002<\/p>\n
TECH PLAY | \u3010JavaScript\u3011\u521d\u5fc3\u8005\u306b\u3082\u308f\u304b\u308bPromise\u306e\u4f7f\u3044\u65b9<\/a><\/div>\n
\u8a71\u3092\u623b\u3057\u3066Promise\u3092\u4f7f\u3046\u4e0a\u3067\u77e5\u3063\u3066\u304a\u304d\u305f\u3044\u30dd\u30a4\u30f3\u30c8\u304c\u3053\u3061\u3089\u3002<\/p>\n
\n\u30fbPromise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8
\n\u30fbthen\u30e1\u30bd\u30c3\u30c9
\n\u30fbcatch\u30e1\u30bd\u30c3\u30c9\n<\/div>\n
\u305d\u308c\u305e\u308c\u8efd\u304f\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n
Promise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<\/span><\/h4>\n
Promise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u51e6\u7406\u306e\u5b8c\u4e86\u3092\u5f85\u305f\u305b\u308b\u95a2\u6570<\/span>\u306e\u623b\u308a\u5024\u3068\u306a\u308b\u3088\u3046\u306b\u4f5c\u6210\u3057\u307e\u3059\u3002
\n\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f6\u884c\u76ee\u3067\u3059\u3002<\/p>\n
Promise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306f\u72b6\u614b\u3068\u547c\u3070\u308c\u308b\u3082\u306e\u304c\u3042\u308a\u3001\u899a\u3048\u3066\u304a\u304d\u305f\u3044\u306e\u306f\u4e0b\u8a18\u306e2\u3064\u3067\u3059\u3002<\/p>\n
\n\u30fbresolve\uff1a\u6210\u529f\u306e\u72b6\u614b(\u30b5\u30f3\u30d7\u30eb\u3067\u306f10\u884c\u76ee)
\n\u30fbreject\uff1a\u5931\u6557\u306e\u72b6\u614b(\u30b5\u30f3\u30d7\u30eb\u3067\u306f11\u884c\u76ee)\n<\/div>\n
Promise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u4e2d\u306b\u8a18\u8ff0\u3057\u3066\u3044\u308b\u51e6\u7406\u5185\u3067\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u3053\u306e2\u3064\u306e\u72b6\u614b\u306b\u5909\u5316\u3055\u305b\u308b\u4e8b\u3067\u3001\u305d\u306e\u51e6\u7406\u306e\u5b8c\u4e86\u3092\u7d50\u679c\u3068\u3057\u3066\u8fd4\u3057\u307e\u3059\u3002<\/p>\n
then\u30e1\u30bd\u30c3\u30c9<\/h4>\n
Promise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304cresolve(\u6210\u529f)\u3068\u306a\u3063\u305f\u5834\u5408\u306b\u5b9f\u884c\u3057\u305f\u3044\u51e6\u7406\u3092\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002
\n\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f22\u884c\u76ee\u3067\u3059\u3002<\/p>\n
\u30a4\u30e1\u30fc\u30b8\u3068\u3057\u3066\u306f\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3092\u5916\u306b\u8a18\u8ff0\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u305f\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002<\/p>\n
catch\u30e1\u30bd\u30c3\u30c9<\/h4>\n
Promise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304creject(\u5931\u6557)\u3068\u306a\u3063\u305f\u5834\u5408\u306b\u5b9f\u884c\u3057\u305f\u3044\u51e6\u7406\u3092\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002
\n\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f26\u884c\u76ee\u3067\u3059\u3002<\/p>\n
\u5916\u90e8\u30d5\u30a1\u30a4\u30eb\u3092\u53c2\u7167\u3059\u308b\u51e6\u7406\u3067\u3001\u53c2\u7167\u30d5\u30a1\u30a4\u30eb\u304c\u7121\u304b\u3063\u305f\u2026\u306a\u3069\u4f8b\u5916\u51e6\u7406\u3092\u8a18\u8ff0\u3057\u305f\u308a\u3057\u307e\u3059\u3002<\/p>\n
async\/await<\/h3>\n
\u6700\u5f8c\u306basync\/await\u3001\u3053\u308c\u306fPromise\u306e\u4f7f\u3044\u52dd\u624b\u826f\u304f\u3057\u305f\u3082\u306e\u3067\u3059\u3002
\nPromise\u306b\u6bd4\u3079\u304b\u306a\u308a\u30b3\u30fc\u30c9\u304c\u898b\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n
\n
let int1 = 0;\r\nlet int2 = 0;\r\n\r\n\/\/ int1\u3068int2\u306b\u5024\u3092\u30bb\u30c3\u30c8\u3059\u308b\u95a2\u6570\r\nasync function set_int(a, b){\r\n  \/*\r\n  \u3053\u3053\u306b\u6642\u9593\u306e\u304b\u304b\u308b\u51e6\u7406\u304c\u3042\u308b\u60f3\u5b9a\r\n  *\/\r\n  int1 = a;\r\n  int2 = b;\r\n  return true;\r\n}\r\n\r\n\/\/ int1\u3068int2\u3092\u8db3\u3057\u7b97\u3059\u308b\u95a2\u6570\r\nfunction sum_int(){\r\n  alert(int1 + int2);\r\n}\r\n\r\nasync function run_process(){\r\n  await set_int(1, 2);\r\n  sum_int();\r\n}\r\nrun_process();\r\n<\/code><\/pre>\n<\/div>\n
run_process()\u306e\u4e2d\u306b\u5b9f\u884c\u3059\u308bset_int()\u3068sum_int()\u3092\u307e\u3068\u3081\u305f\u5f62\u306b\u306a\u308a\u307e\u3057\u305f\u304c\u3001Promise\u306e\u6642\u3088\u308a\u3082\u30b3\u30fc\u30c9\u304c\u30b9\u30c3\u30ad\u30ea\u3057\u307e\u3057\u305f\u3002
\nint_set()\u3067\u306fsetTimeout\u30671\u79d2\u306e\u9045\u5ef6\u3092\u51fa\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u3053\u3053\u3067\u306f\u8aac\u660e\u306e\u90fd\u5408\u4e0a\u6d88\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
async\/await\u306e\u6319\u52d5\u3092\u305d\u308c\u305e\u308c\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n
async<\/h4>\n
async\u306f”async function()”\u3067\u5ba3\u8a00\u3057\u307e\u3059\u3002
\nasync\u3092\u4ed8\u3051\u308b\u3053\u3068\u3067\u3001\u305d\u306e\u95a2\u6570\u3067\u306fPromise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8()\u3092\u8fd4\u3059\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u30dd\u30a4\u30f3\u30c8\u306f\u3053\u3093\u306a\u611f\u3058\u3067\u3059\u3002<\/p>\n
\n\u30fbasync function()\u306e\u4e2d\u3067return\u3059\u308b\u3068resolve\u306b\u306a\u308b
\n\u30fbasync function()\u306e\u4e2d\u3067throw\u3059\u308b\u3068reject\u306b\u306a\u308b
\n\u30fbasync function()\u306e\u4e2d\u3067\u3057\u304bawait\u304c\u4f7f\u3048\u306a\u3044\n<\/div>\n
\u4e0a\u306b\u3082\u66f8\u3044\u305f\u3088\u3046\u306basync function()\u306fPromise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd4\u3057\u307e\u3059\u3002
\nasync\u3092\u4f7f\u3046\u5834\u5408\u306e\u72b6\u614b\u306freturn\u3092\u4f7f\u3046\u4e8b\u3067resolve\u3001throw\u3092\u4f7f\u3046\u4e8b\u3067reject\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u307e\u305f\u5f8c\u8ff0\u3059\u308bawait\u306e\u8aac\u660e\u306b\u3082\u306a\u308a\u307e\u3059\u304c\u3001\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067set_int()\u3092\u4ee5\u4e0b\u306b\u5909\u66f4\u3057\u3066\u3082\u540c\u3058\u6319\u52d5\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\n
function set_int(a, b){\r\n  return new Promise(function(resolve, reject){\r\n    setTimeout(function(){\r\n      int1 = a;\r\n      int2 = b;\r\n      resolve();\r\n    }, 1000);\r\n  });\r\n}\r\n<\/code><\/pre>\n<\/div>\n
await<\/h4>\n
await\u306fPromise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u72b6\u614b\u304c\u78ba\u5b9a\u3059\u308b\u307e\u3067\u51e6\u7406\u3092\u4e00\u6642\u4e2d\u65ad\u3059\u308b\u52d5\u304d\u3092\u3057\u307e\u3059\u3002
\n\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f20\u884c\u76ee\u306b\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3053\u3053\u3067\u306f”await int_set()”\u3068\u3057\u3066\u3044\u308b\u306e\u3067\u3001int_set()\u306e\u72b6\u614b\u304c\u78ba\u5b9a(\u51e6\u7406\u304c\u5b8c\u4e86)\u3059\u308b\u307e\u3067sum_int()\u304c\u5b9f\u884c\u3055\u308c\u306a\u3044\u6319\u52d5\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
await\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306e\u30dd\u30a4\u30f3\u30c8\u306f\u3053\u3093\u306a\u611f\u3058\u3067\u3059\u3002<\/p>\n
\n\u30fbawait\u3067\u5b9f\u884c\u3055\u308c\u308b\u95a2\u6570\u306f\u5fc5\u305aPromise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd4\u3059\u5fc5\u8981\u304c\u3042\u308b
\n\u30fbawait\u306fasync function()\u306e\u4e2d\u3067\u3057\u304b\u4f7f\u3048\u306a\u3044\n<\/div>\n
Promise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd4\u3059\u95a2\u6570\u306fasync function()\u3067\u4f5c\u6210\u3067\u304d\u307e\u3059\u304c\u3001await\u3092\u4f7f\u3046\u95a2\u6570\u3082async function()\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002
\n\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c919\u884c\u76ee\u3067run_process()\u306fPromise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd4\u3057\u3066\u3044\u307e\u305b\u3093\u304c\u3001await\u3092\u4f7f\u3046\u305f\u3081\u306basync\u3092\u4f7f\u3063\u3066\u3044\u308b\u3068\u8a00\u3046\u70b9\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
\n
\u3044\u304b\u304c\u3060\u3063\u305f\u3067\u3057\u3087\u3046\u304b\u3002
\n\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3093\u3067\u304f\u3060\u3055\u3063\u305f\u65b9\u306e\u591a\u304f\u306f\u975e\u540c\u671f\u51e6\u7406\u3067\u56f0\u3063\u305f\u7d4c\u9a13\u304c\u3042\u308b\u65b9\u3060\u3068\u601d\u3044\u307e\u3059\u306e\u3067\u3001\u3053\u306e\u8a18\u4e8b\u304c\u5c11\u3057\u3067\u53c2\u8003\u306b\u306a\u3063\u305f\u3089\u5b09\u3057\u3044\u9650\u308a\u3067\u3059\u3002<\/p>\n