{"id":8865,"date":"2025-02-28T20:31:42","date_gmt":"2025-02-28T11:31:42","guid":{"rendered":"https:\/\/techmania.jp\/blog\/?p=8865"},"modified":"2025-02-28T20:31:44","modified_gmt":"2025-02-28T11:31:44","slug":"javascript-sleep","status":"publish","type":"post","link":"https:\/\/techmania.jp\/blog\/javascript-sleep\/","title":{"rendered":"\u3010JavaScript\u5165\u9580\u3011\u51e6\u7406\u3092\u4e00\u6642\u505c\u6b62\u3059\u308bsleep\u6a5f\u80fd\u3092\u5b9f\u88c5\u3059\u308b"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u591a\u304f\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306b\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4e00\u6642\u7684\u306b\u505c\u6b62\u3055\u305b\u308b\u305f\u3081\u306e\u300csleep\u300d\u3068\u3044\u3046\u6a5f\u80fd\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">sleep\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u7279\u5b9a\u306e\u51e6\u7406\u3092\u6307\u5b9a\u3057\u305f\u6642\u9593\u3060\u3051\u30b9\u30c8\u30c3\u30d7\u3055\u305b\u3089\u308c\u308b\u306e\u3067\u3001\u6642\u9593\u5dee\u3067\u51e6\u7406\u3092\u5b9f\u884c\u3057\u305f\u3044\u3068\u304d\u306a\u3069\u306b\u4fbf\u5229\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u65b9\u3067\u3001JavaScript\u3067\u306f\u3053\u306esleep\u6a5f\u80fd\u306f\u8a00\u8a9e\u4ed5\u69d8\u306b\u542b\u307e\u308c\u3066\u304a\u3089\u305a\u3001\u81ea\u5206\u3067\u5b9f\u88c5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u3053\u3067\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f\u3001JavaScript\u3067sleep\u6a5f\u80fd\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\uff01<\/p>\n\n\n\n<h2 id=\"outline__1\" class=\"wp-block-heading\">sleep\u3068\u306f\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">sleep\u3068\u306f\u3001\u591a\u304f\u306e\u8a00\u8a9e\u3067\u4e3b\u306b\u95a2\u6570\u3068\u3057\u3066\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u52d5\u304d\u3092\u4e00\u6642\u7684\u306b\u505c\u6b62\u3055\u305b\u308b\u305f\u3081\u306e\u6a5f\u80fd\u3067\u3059\u3002\u6307\u5b9a\u306e\u6642\u9593\u306b\u51e6\u7406\u3092\u5b9f\u884c\u3055\u305b\u305f\u308a\u3001\u4e00\u5b9a\u306e\u9593\u9694\u3067\u51e6\u7406\u3092\u5b9f\u884c\u3055\u305b\u305f\u3044\u5834\u5408\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070\u3001\u73fe\u5728\u6642\u523b\u3092\u5143\u306b\u6307\u5b9a\u306e\u6642\u9593\u307e\u3067\u306e\u79d2\u6570\u3092\u8a08\u7b97\u3057\u3001\u305d\u306e\u6642\u9593\u5206\u3060\u3051\u51e6\u7406\u3092\u5f85\u6a5f\u3055\u305b\u308b\u3053\u3068\u3067\u3001\u4efb\u610f\u306e\u6642\u523b\u306b\u51e6\u7406\u3092\u5b9f\u884c\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<br>\u307e\u305f\u3001\u4e00\u5ea6\u306b\u51e6\u7406\u3057\u3088\u3046\u3068\u3059\u308b\u3068CPU\u306e\u51e6\u7406\u91cf\u304c\u81a8\u5927\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3088\u3046\u306a\u4f5c\u696d\u306e\u5834\u5408\u306b\u3001sleep\u3092\u4f7f\u3063\u3066\u4e00\u5b9a\u9593\u9694\u306b\u51e6\u7406\u3092\u5206\u3051\u308b\u3053\u3068\u3067\u3001\u8ca0\u62c5\u3092\u8efd\u6e1b\u3055\u305b\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<br>\u305d\u306e\u4ed6\u306b\u3082\u3001\u975e\u540c\u671f\u51e6\u7406\u3067\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3059\u308b\u969b\u306b\u3001\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u51e6\u7406\u9806\u3092\u5236\u5fa1\u3057\u305f\u3044\u5834\u5408\u306a\u3069\u306b\u3082sleep\u306e\u4e00\u6642\u505c\u6b62\u6a5f\u80fd\u306f\u5f79\u7acb\u3061\u307e\u3059\u3002\uff08\u975e\u540c\u671f\u51e6\u7406\u304c\u4f55\u304b\u306b\u3064\u3044\u3066\u306f\u5f8c\u307b\u3069\u8aac\u660e\u3057\u307e\u3059\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u3088\u3046\u306b\u3001\u69d8\u3005\u306a\u5834\u9762\u3067\u6d3b\u7528\u3067\u304d\u308bsleep\u3067\u3059\u304c\u3001\u6b8b\u5ff5\u306a\u304c\u3089JavaScript\u306b\u306f\u76f4\u63a5\u7684\u306b\u6271\u3046\u305f\u3081\u306e\u6a5f\u80fd\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002<br>\u305d\u306e\u305f\u3081\u3001\u3053\u306e\u8a18\u4e8b\u3067\u306fJavaScript\u306e\u6a5f\u80fd\u3092\u5229\u7528\u3057\u3066\u64ec\u4f3c\u7684\u306bsleep\u6a5f\u80fd\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__2\" class=\"wp-block-heading\">\u30bf\u30a4\u30de\u30fc\u3092\u5229\u7528\u3059\u308b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305a\u306f\u3001\u30bf\u30a4\u30de\u30fc\u51e6\u7406\u3092\u4f7f\u3063\u3066\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30bf\u30a4\u30de\u30fc\u51e6\u7406\u3068\u306f\u3001\u6307\u5b9a\u306e\u6642\u9593\u304c\u7d4c\u904e\u3057\u305f\u5f8c\u306b\u4efb\u610f\u306e\u51e6\u7406\u3092\u5b9f\u884c\u3055\u305b\u308b\u305f\u3081\u306e\u6a5f\u80fd\u3067\u3059\u30021\u5ea6\u306e\u307f\u51e6\u7406\u3092\u5b9f\u884c\u3055\u305b\u308b\u95a2\u6570\u3068\u3001\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3092\u5b9f\u884c\u3055\u305b\u308b\u95a2\u6570\u306e2\u3064\u304c\u4e3b\u306a\u30bf\u30a4\u30de\u30fc\u51e6\u7406\u6a5f\u80fd\u3068\u3057\u3066\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u308c\u305e\u308c\u306e\u4f7f\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 id=\"outline__2_1\" class=\"wp-block-heading\">setTimeout\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u521d\u3081\u306b\u3001<strong>setTimeout\u95a2\u6570<\/strong>\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u304b\u3089\u8aac\u660e\u3057\u307e\u3059\u3002\u5148\u307b\u3069\u7d39\u4ecb\u3057\u305f2\u3064\u306e\u95a2\u6570\u306e\u3046\u3061\u30011\u5ea6\u306e\u307f\u51e6\u7406\u3092\u5b9f\u884c\u3055\u305b\u308b\u65b9\u3067\u3042\u308b\u306e\u304c\u3001\u3053\u306esetTimeout\u95a2\u6570\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">setTimeout\u95a2\u6570\u3092\u4f7f\u3046\u969b\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u4f8b\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010\u57fa\u672c\u69cb\u6587\u3011<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>setTimeout(\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570, \u30df\u30ea\u79d2\u5358\u4f4d\u306e\u6642\u9593);<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">setTimeout\u95a2\u6570\u306e\u5f15\u6570\u306b\u6307\u5b9a\u3059\u308b\u306e\u306f\u3001\u4e3b\u306b\u5b9f\u884c\u3055\u305b\u305f\u3044\u51e6\u7406\uff08\u95a2\u6570\uff09\u3068\u5f85\u3061\u6642\u9593\u306e2\u3064\u3067\u3059\u3002\u5b9f\u884c\u3059\u308b\u95a2\u6570\u306b\u5f15\u6570\u3092\u6e21\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u6642\u9593\u6307\u5b9a\u306e\u5f8c\u306b\u7d9a\u3051\u3066\u5024\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<br>\u6642\u9593\u306e\u6307\u5b9a\u306f\u30df\u30ea\u79d2 (1\/1000 \u79d2)\u5358\u4f4d\u3067\u884c\u3046\u306e\u3067\u3001\u4f8b\u3048\u30701\u79d2\u5f8c\u306b\u5b9f\u884c\u3055\u305b\u305f\u3044\u5834\u5408\u306f\u300c1000\u300d\u3068\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u969b\u306bsetTimeout\u95a2\u6570\u3092\u4f7f\u3046\u5834\u5408\u306f\u3001\u5f15\u6570\u306b\u6e21\u3059\u95a2\u6570\u3092\u306a\u308b\u3079\u304f\u5206\u3051\u3066\u8a18\u8ff0\u3059\u308b\u65b9\u304c\u30b3\u30fc\u30c9\u304c\u898b\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u95a2\u6570\u3092\u5ba3\u8a00\nfunction sample1() {\n    console.log(\"sample1\");\n}\n\/\/ \u5909\u6570\u3068\u3057\u3066\u3082\u4f7f\u3048\u307e\u3059\nconst sample2 = function () {\n    console.log(\"sample2\");\n}\nsetTimeout(sample1, 1000);\nsetTimeout(sample2, 2000);<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sample1 \/\/ \u5b9f\u884c\u3057\u3066\u304b\u30891\u79d2\u5f8c\u306b\u8868\u793a\nsample2 \/\/ \u5b9f\u884c\u3057\u3066\u304b\u30892\u79d2\u5f8c\u306b\u8868\u793a<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u8a18\u306e\u4f8b\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u305d\u308c\u305e\u308c1\u79d2\u5f8c\u30682\u79d2\u5f8c\u306b\u30ed\u30b0\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<br>\u3053\u306e\u3088\u3046\u306b\u3001\u7279\u5b9a\u306e\u51e6\u7406\u306e\u5b9f\u884c\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u9045\u3089\u305b\u305f\u3044\u5834\u5408\u306bsetTimeout\u95a2\u6570\u306f\u6709\u52b9\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3060\u3057\u3001\u3042\u304f\u307e\u3067\u51e6\u7406\u306e\u5b9f\u884c\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u5909\u66f4\u3059\u308b\u305f\u3081\u306e\u95a2\u6570\u306a\u306e\u3067\u3001setTimeout\u95a2\u6570\u3088\u308a\u5f8c\u306b\u8a18\u8ff0\u3057\u305f\u30b3\u30fc\u30c9\u306f\u95a2\u6570\u306e\u51e6\u7406\u7d50\u679c\u3092\u5f85\u305f\u305a\u306b\u5148\u306b\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<br>\u305d\u306e\u305f\u3081\u3001\u5b9f\u884c\u5b8c\u4e86\u5f8c\u306b\u884c\u3044\u305f\u3044\u51e6\u7406\u306f\u5168\u3066\u5f15\u6570\u306e\u95a2\u6570\u5185\u306b\u8a18\u8ff0\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u306a\u3044\u308f\u3051\u3067\u3059\u304c\u3001\u5185\u5bb9\u306b\u3088\u3063\u3066\u306f\u901a\u79f0<strong>\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u5730\u7344<\/strong>\u3068\u547c\u3070\u308c\u308b\u3088\u3046\u306a\u8907\u96d1\u306a\u5165\u308c\u5b50\u72b6\u614b\u304c\u767a\u751f\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u7121\u7406\u306bsetTimeout\u95a2\u6570\u3067\u5b9f\u88c5\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u53ef\u8aad\u6027\u304c\u4e0b\u304c\u308b\u539f\u56e0\u306b\u306a\u308a\u304b\u306d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070\u3001\u540c\u3058\u52d5\u4f5c\u3092php\u306esleep\u95a2\u6570\u3068JavaScript\u306esetTimeout\u95a2\u6570\u3067\u8a18\u8ff0\u3057\u305f\u5834\u5408\u306b\u3001\u3053\u3093\u306a\u306b\u3082\u898b\u3065\u3089\u3055\u304c\u5909\u308f\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010PHP\u306e\u5834\u5408\u3011<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sleep(1);\necho \"\uff11\u79d2\u7d4c\u3061\u307e\u3057\u305f\u3002\"\nsleep(1);\necho \"2\u79d2\u7d4c\u3061\u307e\u3057\u305f\u3002\"<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010JavaScript\u306e\u5834\u5408\u3011<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>setTimeout(function () {\n    console.log(\"1\u79d2\u7d4c\u3061\u307e\u3057\u305f\u3002\");\n    setTimeout(function () {\n        console.log(\"\uff12\u79d2\u7d4c\u3061\u307e\u3057\u305f\u3002\");\n    }, 1000);\n}, 1000);<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u8a18\u306eJavaScript\u306e\u30b3\u30fc\u30c9\u304c\u3001\u3044\u308f\u3086\u308b\u5165\u308c\u5b50\u72b6\u614b(\u30cd\u30b9\u30c8)\u3067\u3059\u3002<br>\u540c\u3058\u3088\u3046\u306a\u8a18\u8ff0\u3092\u4e00\u5ea6\u7e70\u308a\u8fd4\u3057\u305f\u3060\u3051\u3067\u3082\u3001\u30b3\u30fc\u30c9\u306e\u8aad\u307f\u306b\u304f\u3055\u304c\u5897\u3057\u305f\u3053\u3068\u304c\u5206\u304b\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u51e6\u7406\u9806\u3092\u53b3\u5bc6\u306b\u6307\u5b9a\u3057\u305f\u3044\u5834\u5408\u306f\u3001setTimeout\u95a2\u6570\u306e\u307f\u3067\u5b9f\u88c5\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u5f8c\u307b\u3069\u7d39\u4ecb\u3059\u308bPromise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u6d3b\u7528\u3059\u308b\u306e\u304c\u3044\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 id=\"outline__2_2\" class=\"wp-block-heading\">setInterval\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b21\u306b\u3001<strong>setInterval\u95a2\u6570<\/strong>\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002<br>\u3053\u3061\u3089\u306f\u3001\u4e00\u5b9a\u6642\u9593\u3054\u3068\u306b\u540c\u3058\u51e6\u7406\u3092\u7e70\u308a\u8fd4\u3057\u305f\u3044\u5834\u5408\u306b\u4f7f\u7528\u3059\u308b\u95a2\u6570\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u57fa\u672c\u7684\u306a\u69cb\u6587\u306f\u5148\u307b\u3069\u306esetTimeout\u95a2\u6570\u3068\u307b\u3068\u3093\u3069\u5909\u308f\u308a\u307e\u305b\u3093\u304c\u3001setInterval\u95a2\u6570\u306e\u5834\u5408\u306f\u30bf\u30a4\u30de\u30fc\u3092\u505c\u6b62\u3055\u305b\u308b\u305f\u3081\u306e<strong>clearInterval\u95a2\u6570<\/strong>\u3092<strong>\u5fc5\u305a<\/strong>\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3046\u3057\u306a\u3044\u3068\u3001\u540c\u3058\u51e6\u7406\u3092\u6c38\u9060\u306b\u7e70\u308a\u8fd4\u3057\u7d9a\u3051\u308b\u3053\u3068\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u5b9f\u969b\u306e\u52d5\u304d\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ sampleInterval\u3092\u5b9f\u884c\u3059\u308b\u95a2\u6570\u3092\u5ba3\u8a00\nfunction sampleInterval(interval) {\n    let counter = 0;\n    \/\/ 5\u56de\u540c\u3058\u51e6\u7406\u3092\u7e70\u308a\u8fd4\u3059sampleInterval\u95a2\u6570\n    const showHello = setInterval(function () {\n        console.log(\"Hello!\");\n        counter++;\n        \/\/ 5\u56de\u76ee\u306b\u9054\u3057\u305f\u3089clearInterval\u95a2\u6570\u3067\u505c\u6b62\u3055\u305b\u308b\n        if (counter === 5) {\n            clearInterval(showHello);\n            console.log(\"\u5b8c\u4e86\");\n        }\n    }, interval);\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\"Hello!\"\n\"Hello!\"\n\"Hello!\"\n\"Hello!\"\n\"Hello!\"\n\"\u5b8c\u4e86\"<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">clearInterval\u95a2\u6570\u306e\u5f15\u6570\u306b\u6e21\u3059\u305f\u3081\u3001setInterval\u95a2\u6570\u306f\u5909\u6570\u3068\u3057\u3066\u5ba3\u8a00\u3057\u3066\u3044\u307e\u3059\u3002\u540c\u3058\u51e6\u7406\u304c\u7e70\u308a\u8fd4\u3055\u308c\u308b\u305f\u3073\u306b\u30ab\u30a6\u30f3\u30c8\u6570\u304c\u52a0\u7b97\u3055\u308c\u3066\u3044\u304f\u306e\u3067\u30015\u56de\u76ee\u306b\u5230\u9054\u3057\u305f\u6642\u70b9\u3067\u505c\u6b62\u3059\u308b\u3088\u3046if\u6587\u3067\u6761\u4ef6\u5206\u3051\u3092\u3057\u3066\u3001\u305d\u306e\u6761\u4ef6\u4e0b\u3067clearInterval\u95a2\u6570\u3092\u5b9f\u884c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u3088\u3046\u306b\u3001\u30eb\u30fc\u30d7\u51e6\u7406\u5185\u3067sleep\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u306e\u3068\u540c\u7b49\u306e\u52d5\u304d\u3092\u3001setInterval\u95a2\u6570\u3067\u5b9f\u73fe\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__3\" class=\"wp-block-heading\">Promise\u3092\u5229\u7528\u3057\u3066sleep\u6a5f\u80fd\u3092\u4f5c\u308b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u307b\u3069\u306e\u8aac\u660e\u3067\u3082\u5c11\u3057\u89e6\u308c\u307e\u3057\u305f\u304c\u3001\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u9806\u3092\u53b3\u5bc6\u306b\u5b9a\u3081\u305f\u3044\u5834\u5408\u306b\u304a\u3044\u3066\u3001setTimeout\u95a2\u6570\u306f\u3042\u307e\u308a\u4f7f\u7528\u306b\u9069\u3057\u3066\u3044\u307e\u305b\u3093\u3002<br>\u305d\u3053\u3067\u6d3b\u7528\u3059\u308b\u306e\u304c\u3001<strong>Promise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Promise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3001\u5f15\u6570\u306b\u6307\u5b9a\u3057\u305f\u51e6\u7406\u304c\u5b8c\u4e86\u3057\u305f\u969b\u306b\u3001\u305d\u306e\u51e6\u7406\u304c\u6210\u529f\u3057\u305f\u304b\u5426\u304b\u3092\u7d50\u679c\u3068\u3057\u3066\u53d7\u3051\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002<br>Promise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306f\u3001\u300c<strong>PromiseStatus<\/strong>\u300d\u3068\u3044\u3046\u51e6\u7406\u72b6\u614b\u3092\u8868\u3059\u30b9\u30c6\u30fc\u30bf\u30b9\u304c\u3042\u308a\u3001\u4ee5\u4e0b\u306e3\u3064\u3067\u5b9f\u884c\u7d50\u679c\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>pending: \u51e6\u7406\u4e2d<\/li>\n\n\n\n<li>resolved: \u51e6\u7406\u304c\u6210\u529f\u3057\u305f\u72b6\u614b<\/li>\n\n\n\n<li>rejected: \u51e6\u7406\u304c\u5931\u6557\u3057\u305f\u72b6\u614b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u4f5c\u6210\u6642\u306f\u3053\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u304cpending\u72b6\u614b\u3068\u306a\u3063\u3066\u304a\u308a\u3001resolved\u306b\u79fb\u884c\u3059\u308b\u3068<strong>then\u30e1\u30bd\u30c3\u30c9<\/strong>\u304c\u3001rejected\u306b\u79fb\u884c\u3057\u305f\u5834\u5408\u306b\u306f<strong>catch\u30e1\u30bd\u30c3\u30c9<\/strong>\u304c\u7d9a\u3051\u3066\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<br>\u5404\u30e1\u30bd\u30c3\u30c9\u306e\u8fd4\u308a\u5024\u3067Promise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd4\u3059\u3053\u3068\u3067\u3001\u8907\u6570\u56de\u7d9a\u3051\u3066\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002\u3053\u306e\u65b9\u6cd5\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u4efb\u610f\u306e\u9806\u756a\u3067\u51e6\u7406\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u969b\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\nnew Promise(function (resolve) {\n    setTimeout(function () {\n        console.log(\"1\u756a\u76ee\");\n        \/\/ \u30b9\u30c6\u30fc\u30bf\u30b9\u3092resolve\u306b\u79fb\u884c\n        resolve(\"2\u756a\u76ee\");\n    }, 1000);\n})\n    .then(function (val) {\n        setTimeout(function () {\n            console.log(val);\n        }, 1000);\n    });<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1\u756a\u76ee\n2\u756a\u76ee<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Promise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5f15\u6570\u306b\u306f\u95a2\u6570\u3092\u6e21\u3057\u307e\u3059\u3002\u305d\u306e\u95a2\u6570\u306e\u7b2c\u4e00\u5f15\u6570\u306bresolve\u95a2\u6570\u3092\u3001\u7b2c\u4e8c\u5f15\u6570\u306b\u306f\u4efb\u610f\u3067reject\u95a2\u6570\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\uff08\u5f15\u6570\u540d\u306f\u5206\u304b\u308a\u3084\u3059\u3044\u3088\u3046\u306b\u8a18\u8ff0\u3057\u3066\u3044\u308b\u3060\u3051\u306a\u306e\u3067\u3001\u5b9f\u969b\u306b\u306f\u4efb\u610f\u306e\u540d\u524d\u3092\u3064\u3051\u3089\u308c\u307e\u3059\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u51e6\u7406\u304c\u5b8c\u4e86\u3057\u305f\u5f8c\u3001\u5f15\u6570\u3068\u3057\u3066\u53d7\u3051\u53d6\u3063\u305fresolve\u95a2\u6570\u304breject\u95a2\u6570\u306e\u3069\u3061\u3089\u304b\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u3001Promise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u304c\u5909\u5316\u3057\u307e\u3059\u3002<br>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306fresolve\u95a2\u6570\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u306e\u3067\u3001Promise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u306fresolved\u3078\u3068\u79fb\u884c\u3057\u3001then\u30e1\u30bd\u30c3\u30c9\u304c\u7d9a\u3044\u3066\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u969b\u306b\u30dd\u30a4\u30f3\u30c8\u306a\u306e\u304c\u3001<strong>resolve\u95a2\u6570\u3084reject\u95a2\u6570\u306b\u3082\u5f15\u6570\u3092\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u308b<\/strong>\u70b9\u3067\u3059\u3002<br>\u6e21\u3057\u305f\u5024\u306fPromise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u300c<strong>PromiseValue<\/strong>\u300d\u306b\u683c\u7d0d\u3055\u308c\u3001then\u30e1\u30bd\u30c3\u30c9\u306e\u5f15\u6570\u3068\u3057\u3066\u53d7\u3051\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__4\" class=\"wp-block-heading\">JavaScript\u306e\u975e\u540c\u671f\u51e6\u7406\u3068\u306f\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u57fa\u672c\u7684\u306b\u3001\u4e0a\u304b\u3089\u4e0b\u3078\u3068\u8a18\u8ff0\u3057\u305f\u9806\u306b\u30b3\u30fc\u30c9\u3092\u51e6\u7406\u3057\u307e\u3059\u3002\u3053\u306e\u51e6\u7406\u65b9\u6cd5\u306e\u3053\u3068\u3092\u3001\u540c\u671f\u51e6\u7406\u3068\u8a00\u3044\u307e\u3059\u3002<br>\u540c\u671f\u51e6\u7406\u3067\u306f\u3001\u524d\u306e\u884c\u306b\u8a18\u8ff0\u3057\u305f\u51e6\u7406\u304c\u5b8c\u5168\u306b\u7d42\u308f\u308b\u307e\u3067\u6b21\u306e\u884c\u306b\u79fb\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u901a\u4fe1\u51e6\u7406\u306a\u3069\u306e\u91cd\u3044\u4f5c\u696d\u3092\u884c\u306a\u3063\u305f\u5834\u5408\u306b\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u5168\u4f53\u306e\u51e6\u7406\u304c\u9045\u308c\u3066\u3057\u307e\u3046\u3068\u3044\u3046\u30c7\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<br>\u3053\u306e\u30c7\u30e1\u30ea\u30c3\u30c8\u3092\u89e3\u6d88\u3059\u308b\u305f\u3081\u306b\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u3001\u975e\u540c\u671f\u51e6\u7406\u3068\u3044\u3046\u51e6\u7406\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u975e\u540c\u671f\u51e6\u7406\u306e\u6700\u5927\u306e\u30e1\u30ea\u30c3\u30c8\u306f\u3001\u524d\u306e\u51e6\u7406\u306e\u5b8c\u4e86\u3092\u5f85\u3064\u3053\u3068\u306a\u304f\u6b21\u306e\u51e6\u7406\u3092\u958b\u59cb\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u3044\u3046\u70b9\u306b\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\u3068\u753b\u9762\u63cf\u5199\u3092\u4e26\u884c\u3057\u3066\u884c\u3046\u306a\u3069\u3001\u8907\u6570\u306e\u30bf\u30b9\u30af\u3092\u540c\u6642\u306b\u51e6\u7406\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br>\u3053\u308c\u307e\u3067\u7d39\u4ecb\u3057\u3066\u304d\u305f\u30bf\u30a4\u30de\u30fc\u51e6\u7406\u3084Promise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3082\u3001\u975e\u540c\u671f\u51e6\u7406\u306e\u4e00\u90e8\u3067\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__5\" class=\"wp-block-heading\">async\/await\u3092\u5229\u7528\u3057\u3066sleep\u6a5f\u80fd\u3092\u4f5c\u308b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u975e\u540c\u671f\u51e6\u7406\u3092\u6d3b\u7528\u3059\u308b\u65b9\u6cd5\u3068\u3057\u3066\u6709\u540d\u306a\u300c<strong>async \/ await<\/strong>\u300d\u3092\u5229\u7528\u3057\u3066\u3001sleep\u6a5f\u80fd\u3092\u5b9f\u73fe\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">async\u3068 await \u306f\u3001\u975e\u540c\u671f\u51e6\u7406\u3092\u884c\u3046\u305f\u3081\u306e\u6a5f\u80fd\u306e\u4e00\u3064\u3067\u3042\u308a\u3001\u5148\u307b\u3069\u7d39\u4ecb\u3057\u305f\u300cPromise.then\u300d\u3092\u3088\u308a\u898b\u3084\u3059\u304f\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306e\u65b9\u6cd5\u3067\u3082\u3042\u308a\u307e\u3059\u3002<br>\u95a2\u6570\u306e\u982d\u306b async \u3068\u4ed8\u3051\u308b\u3053\u3068\u3067\u3001\u305d\u306e\u95a2\u6570\u3092Promise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd4\u3059\u975e\u540c\u671f\u95a2\u6570\u3068\u3057\u3066\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>async function sample() {\n    return 1;\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">await \u306f async\u95a2\u6570\u5185\u306e\u307f\u3067\u4f7f\u7528\u3067\u304d\u308b\u6f14\u7b97\u5b50\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">await\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001Promise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u8fd4\u5374\u3055\u308c\u308b\u307e\u3067\u95a2\u6570\u5185\u306e\u51e6\u7406\u304c\u4e00\u6642\u505c\u6b62\u3055\u308c\u308b\u305f\u3081\u3001\u540c\u671f\u7684\u306b\u30b3\u30fc\u30c9\u3092\u51e6\u7406\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a66\u3057\u306b\u3001\u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u306e\u52d5\u304d\u3092 await \u306e\u3042\u308b\u7121\u3057\u3067\u6bd4\u8f03\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>async function sample2() {\n    new Promise(resolve => {\n        setTimeout(() => {\n            console.log(\"5\u79d2\u7d4c\u904e\");\n            resolve();\n        }, 5000)\n    });\n    console.log(\"Hello\uff01\");\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010await\u3042\u308a\u306e\u5834\u5408\u306e\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u25b6 Promise\u00a0{&lt;pending>}\n5\u79d2\u7d4c\u904e\nHello!<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010await\u306a\u3057\u306e\u5834\u5408\u306e\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Hello!\n\u25b6 Promise\u00a0{&lt;fulfilled>: undefined}\n5\u79d2\u7d4c\u904e<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ed\u30b0\u306e\u8868\u793a\u3055\u308c\u308b\u9806\u756a\u304c\u5909\u308f\u308b\u306e\u304c\u5206\u304b\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002<br>\u3053\u306e\u3088\u3046\u306b\u3001Promise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u51e6\u7406\u3092\u5f85\u3063\u3066\u304b\u3089then\u30e1\u30bd\u30c3\u30c9\u306e\u51e6\u7406\u306b\u79fb\u884c\u3059\u308b\u3068\u3044\u3046\u52d5\u304d\u3092\u3001 async \u3068 await \u3092\u4f7f\u3063\u3066\u66f8\u304d\u63db\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__6\" class=\"wp-block-heading\">\u3010\u756a\u5916\u7de8\u3011jQuery\u3067sleep\u6a5f\u80fd\u3092\u4f5c\u308b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">JavaScript\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306e1\u3064\u3067\u3042\u308bjQuery\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001Deferred\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5229\u7528\u3057\u3066sleep\u6a5f\u80fd\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Deferred\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3082\u307e\u305f\u3001\u975e\u540c\u671f\u51e6\u7406\u3092\u6271\u3046\u305f\u3081\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002<br>Promise\u3068\u540c\u69d8\u306b3\u3064\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u3067\u51e6\u7406\u72b6\u614b\u3092\u8868\u3057\u3001Promise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u7d50\u679c\u3068\u3057\u3066\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const sleep = function () {\n    const def = new $.Deferred();\n    setTimeout(() => {\n        console.log(\"3\u79d2\u7d4c\u904e\");\n        def.resolve();\n    }, 3000);\n    return def.promise();\n}\nasync function sample() {\n    await sleep();\n    console.log(\"Hello!\");\n}\nsample();<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>3\u79d2\u7d4c\u904e\nHello!<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Deferred\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u5f8c\u3001\u51e6\u7406\u304c\u5b8c\u4e86\u3057\u305f\u6bb5\u968e\u3067resolve\u3092\u5b9f\u884c\u3057\u3066\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u5909\u66f4\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u5f8c\u306b\u3001\u300cdef.promise()\u300d\u3067Promise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd4\u5374\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u304b\u3089\u3082\u5206\u304b\u308b\u3088\u3046\u306b\u3001Promise\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u8fd4\u3055\u308c\u308b\u306e\u3067\u300casync\/await\u300d\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__7\" class=\"wp-block-heading\">\u3010\u5fdc\u7528\u3011\u4e00\u884c\u3067sleep\u6a5f\u80fd\u3092\u5b9f\u88c5\u3059\u308b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u5f8c\u306b\u3001sleep\u6a5f\u80fd\u3092\u7c21\u5358\u306b\u5b9f\u88c5\u3057\u305f\u3044\u65b9\u306e\u305f\u3081\u306b\u3001\u4e00\u884c\u3067\u8a18\u8ff0\u3059\u308b\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<br>\u57fa\u672c\u7684\u306b\u306f\u3001\u3053\u306e\u65b9\u6cd5\u3067\u307b\u3068\u3093\u3069\u306e\u5834\u9762\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u306e\u3067\u3001\u305c\u3072\u899a\u3048\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305a\u3001\u4ee5\u4e0b\u306e\u4e00\u884c\u3092\u8a18\u8ff0\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const sleep = time => new Promise(resolve => setTimeout(resolve, time));<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6a5f\u80fd\u306e\u5b9f\u88c5\u306f\u3053\u308c\u3060\u3051\u3067\u5b8c\u4e86\u3067\u3059\u3002<br>\u4f5c\u6210\u3057\u305f\u3053\u306esleep\u5909\u6570\u3092\u3001async\u95a2\u6570\u5185\u306e\u5b9f\u884c\u3057\u305f\u3044\u7b87\u6240\u3067await\u306e\u5f8c\u306b\u8a18\u8ff0\u3059\u308b\u3060\u3051\u3067\u3001sleep\u6a5f\u80fd\u3092\u7c21\u5358\u306b\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u306f\u30a2\u30ed\u30fc\u95a2\u6570\u3068\u3044\u3046\u8a18\u8ff0\u65b9\u6cd5\u3092\u4f7f\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u898b\u6163\u308c\u306a\u3044\u65b9\u306f\u5185\u5bb9\u304c\u5c11\u3057\u8aad\u307f\u53d6\u308a\u306b\u304f\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u3053\u306e\u8a18\u8ff0\u65b9\u6cd5\u3092\u899a\u3048\u3066\u304a\u304f\u3068\u4ed6\u306e\u5834\u9762\u3067\u3082\u6709\u52b9\u6d3b\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br>\u4f59\u88d5\u304c\u3042\u308c\u3070\u3001\u30a2\u30ed\u30fc\u95a2\u6570\u306b\u3064\u3044\u3066\u3082\u8abf\u3079\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u969b\u306b\u4f7f\u7528\u3059\u308b\u5834\u5408\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const sleep = time => new Promise(resolve => setTimeout(resolve, time));\n\nasync function example() {\n    console.log('Start');\n    await sleep(2000); \/\/ 2\u79d2\u5f85\u3064\n    console.log('End');\n}\n\nexample();<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Start\n\u25b6 Promise\u00a0{&lt;pending>}\nEnd<\/code><\/pre>\n\n\n\n<h2 id=\"outline__8\" class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">JavaScript\u3067sleep\u6a5f\u80fd\u3092\u6271\u3046\u5834\u5408\u3001\u975e\u540c\u671f\u51e6\u7406\u306b\u3064\u3044\u3066\u3082\u7406\u89e3\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u306a\u3044\u305f\u3081\u3001\u96e3\u3057\u304f\u611f\u3058\u308b\u4eba\u3082\u3044\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3067\u3059\u304c\u3001\u975e\u540c\u671f\u51e6\u7406\u3092\u4f7f\u3044\u3053\u306a\u3059\u3053\u3068\u304c\u3067\u304d\u308c\u3070JavaScript\u3092\u4f7f\u3063\u3066\u3067\u304d\u308b\u3053\u3068\u304c\u4e00\u6c17\u306b\u5e83\u304c\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6163\u308c\u308b\u307e\u3067\u4f55\u5ea6\u3082\u30b3\u30fc\u30c9\u3092\u8a66\u3057\u305f\u308a\u3001\u8a18\u4e8b\u3092\u8aad\u307f\u8fd4\u3057\u305f\u308a\u3057\u306a\u304c\u3089\u3001\u4f7f\u3044\u65b9\u3092\u899a\u3048\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n\n\n\n<h2 id=\"outline__9\" class=\"wp-block-heading\">\u95a2\u9023\u8a18\u4e8b<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/techmania.jp\/blog\/javascript0001\/\">JavaScript\u3068\u306f\uff1f\u521d\u5fc3\u8005\u5411\u3051\u306b\u3067\u304d\u308b\u3053\u3068\u3084\u57fa\u672c\u7684\u306a\u66f8\u304d\u65b9\u3092\u89e3\u8aac<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/techmania.jp\/blog\/javascript0002\/\">JavaScript\u304c\u521d\u5fc3\u8005\u306b\u304a\u30b9\u30b9\u30e1\u306a\u7406\u7531\u3092\u73fe\u5f79\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u304c\u89e3\u8aac<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/techmania.jp\/blog\/programming0012\/\">\u3010JavaScript\u5165\u9580\u3011\u7c21\u5358\u306a\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3057\u3066\u7fd2\u5f97<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/techmania.jp\/blog\/javascript-getelementbyid\/\">\u3010JavaScript\u5165\u9580\u3011getElementById\u306e\u4f7f\u3044\u65b9\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u5fb9\u5e95\u89e3\u8aac<\/a><\/li>\n<\/ul>\n\n\n\n<h2 id=\"outline__10\" class=\"wp-block-heading\">JavaScript\u306e\u52c9\u5f37\u65b9\u6cd5\u306f\uff1f<\/h2>\n\n\n<p>\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<br \/>\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<p>\u305f\u3060\u3001JavaScript\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<p><span 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class=\"post-img\">\n\n\n<p>IT\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<div class=\"bgBox\">\n<p><strong>\uff1c\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u306e\u7279\u5fb4\uff1e<\/strong><br \/><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><br \/><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><br \/><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><br \/><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<p>\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<br \/>\u8a71\u3092\u805e\u304d\u305f\u3044\u30fb\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u3068\u3044\u3046\u65b9\u306f<a href=\"https:\/\/techmania.jp\/lp\/2\" target=\"_blank\" rel=\"noopener\">\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":"\u591a\u304f\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306b\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4e00\u6642\u7684\u306b\u505c\u6b62\u3055\u305b\u308b\u305f\u3081\u306e\u300csleep\u300d\u3068\u3044\u3046\u6a5f\u80fd\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002 sleep\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u7279\u5b9a\u306e\u51e6\u7406\u3092\u6307\u5b9a\u3057\u305f\u6642\u9593\u3060\u3051\u30b9\u30c8\u30c3\u30d7\u3055\u305b\u3089\u308c\u308b\u306e\u3067\u3001\u6642\u9593\u5dee\u3067\u51e6\u7406\u3092\u5b9f\u884c\u3057\u305f\u3044\u3068\u304d\u306a\u3069\u306b\u4fbf\u5229\u3067\u3059\u3002 \u4e00\u65b9\u3067\u3001JavaScript\u3067\u306f\u3053\u306esleep\u6a5f\u80fd\u306f\u8a00\u8a9e\u4ed5\u69d8\u306b\u542b\u307e\u308c\u3066\u304a\u3089\u305a\u3001\u81ea\u5206\u3067\u5b9f\u88c5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u305d\u3053\u3067\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f\u3001JavaScript\u3067slee [&hellip;]","protected":false},"author":11,"featured_media":8882,"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\/js_sleep.png","fifu_image_alt":"\u3010JavaScript\u5165\u9580\u3011\u51e6\u7406\u3092\u4e00\u6642\u505c\u6b62\u3059\u308bsleep\u6a5f\u80fd\u3092\u5b9f\u88c5\u3059\u308b","footnotes":""},"categories":[15],"tags":[],"class_list":["post-8865","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-programming"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" 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