{"id":10152,"date":"2026-01-09T16:47:28","date_gmt":"2026-01-09T07:47:28","guid":{"rendered":"https:\/\/techmania.jp\/blog\/?p=10152"},"modified":"2026-01-09T16:47:29","modified_gmt":"2026-01-09T07:47:29","slug":"javascript-settimeout","status":"publish","type":"post","link":"https:\/\/techmania.jp\/blog\/javascript-settimeout\/","title":{"rendered":"\u3010JavaScript\u5165\u9580\u3011setTimeout\u306e\u4f7f\u3044\u65b9\u3068\u6d3b\u7528\u4f8b\u3092\u89e3\u8aac\uff01"},"content":{"rendered":"\n

JavaScript\u3067\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u969b\u306b\u3001\u7279\u5b9a\u306e\u51e6\u7406\u306e\u5b9f\u884c\u3092\u9045\u3089\u305b\u305f\u3044\u6642\u304c\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u3002
\u305d\u306e\u969b\u306b\u6d3b\u7528\u3067\u304d\u308b\u306e\u304c\u3001setTimeout\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002<\/p>\n\n\n\n

setTimeout\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u30da\u30fc\u30b8\u8868\u793a\u306a\u3069\u306e\u7279\u5b9a\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u304b\u3089\u4e00\u5b9a\u6642\u9593\u5f8c\u306b\u51e6\u7406\u3092\u5b9f\u884c\u3057\u305f\u308a\u306a\u3069\u3001\u30bf\u30a4\u30de\u30fc\u6a5f\u80fd\u3068\u3057\u3066\u3082\u6d3b\u7528\u3067\u304d\u308b\u30e1\u30bd\u30c3\u30c9\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002
\u4eca\u56de\u306f\u3053\u306e\u3001setTimeout\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3001\u89e3\u8aac\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u57fa\u672c\u7684\u306a\u65b9\u6cd5\u304b\u3089\u5fdc\u7528\u4f8b\u307e\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u304f\u306e\u3067\u3001\u305c\u3072\u53c2\u8003\u306b\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n

setTimeout\u3068\u306f\uff1f<\/h2>\n\n\n\n

setTimeout\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u7279\u5b9a\u306e\u51e6\u7406\u306e\u5b9f\u884c\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u9045\u3089\u305b\u305f\u3044\u5834\u5408\u306b\u4f7f\u7528\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002
\u901a\u5e38\u3001\u30b3\u30fc\u30c9\u306f\u4e0a\u304b\u3089\u4e0b\u3078\u3068\u8a18\u8ff0\u9806\u306b\u5b9f\u884c\u3055\u308c\u307e\u3059\u304c\u3001setTimeout\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u7279\u5b9a\u306e\u51e6\u7406\u306e\u5b9f\u884c\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u6307\u5b9a\u3057\u305f\u79d2\u6570\u3060\u3051\u9045\u3089\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

\u307e\u305f\u3001\u4e0a\u8a18\u306e\u7279\u5fb4\u304b\u3089\u3001Promise \u3084 async\/await \u306a\u3069\u306e\u975e\u540c\u671f\u51e6\u7406\u3068\u5408\u308f\u305b\u3066\u6d3b\u7528\u3055\u308c\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

setTimeout\u306e\u4f7f\u3044\u65b9<\/h2>\n\n\n\n

\u305d\u308c\u3067\u306f\u65e9\u901f\u3001setTimeout\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002
\u307e\u305a\u306f\u3001\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u304b\u3089\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

\u57fa\u672c\u69cb\u6587<\/h3>\n\n\n\n

setTimeout\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u969b\u306e\u57fa\u672c\u69cb\u6587\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u3010\u57fa\u672c\u69cb\u6587\u3011<\/strong><\/p>\n\n\n\n

setTimeout(\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570, \u5b9f\u884c\u30bf\u30a4\u30df\u30f3\u30b0)<\/code><\/pre><\/div>\n\n\n\n
\u7b2c\uff11\u5f15\u6570\u306b\u306f\u3001\u9045\u5ef6\u5b9f\u884c\u3059\u308b\u51e6\u7406\u5185\u5bb9\u3092\u5b9a\u7fa9\u3057\u305f\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002
(\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3068\u306f\u3001\u95a2\u6570\u5185\u3067\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u6e21\u3055\u308c\u308b\u95a2\u6570\u306e\u3053\u3068\u3092\u8a00\u3044\u307e\u3059)<\/p>\n\n\n\n
\u7b2c\uff12\u5f15\u6570\u306b\u306f\u3001\u51e6\u7406\u3092\u5b9f\u884c\u3059\u308b\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u30df\u30ea\u79d2 (1\/1000 \u79d2)\u5358\u4f4d\u3067\u6307\u5b9a\u3057\u307e\u3059\u3002
\u4f8b\u3048\u3070\u3001\u8a72\u5f53\u51e6\u7406\u306e\u5b9f\u884c\u30bf\u30a4\u30df\u30f3\u30b0\u3092\uff11\u79d2\u9045\u5ef6\u3055\u305b\u305f\u3044\u5834\u5408\u306f\u3001\u300c1000\u300d \u3068\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3001\u5b9f\u969b\u306e\u8a18\u8ff0\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
setTimeout(function() {\n    console.log("3\u79d2\u7d4c\u904e\u3057\u307e\u3057\u305f");\n}, 3000);<\/code><\/pre><\/div>\n\n\n\n
\u4e0a\u8a18\u306e\u4f8b\u306e\u5834\u5408\u3001\u5b9f\u884c\u958b\u59cb\u304b\u3089\u7d04\uff13\u79d2\u5f8c\u306b\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u6587\u5b57\u5217\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
\u305f\u3060\u3057\u3001\u6307\u5b9a\u3057\u305f\u79d2\u6570\u306f\u53b3\u5bc6\u306b\u5b88\u3089\u308c\u308b\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u3042\u304f\u307e\u3067\u76ee\u5b89\u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n
setTimeout\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u6307\u5b9a\u3057\u305f\u79d2\u6570\u304c\u7d4c\u904e\u3057\u305f\u969b\u306b\u5bfe\u8c61\u306e\u51e6\u7406\u3092\u3059\u3050\u306b\u5b9f\u884c\u3059\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u3001\u4e00\u65e6\u30bf\u30b9\u30af\u30ad\u30e5\u30fc\u3078\u3068\u8ffd\u52a0\u3057\u307e\u3059\u3002
\u30bf\u30b9\u30af\u30ad\u30e5\u30fc\u3068\u306f\u3001\u5b9f\u884c\u5f85\u3061\u306e\u95a2\u6570\u3092\u4e00\u6642\u7684\u306b\u8caf\u3081\u3066\u304a\u304f\u305f\u3081\u306e\u5834\u6240\u3067\u3001\u8ffd\u52a0\u3055\u308c\u305f\u95a2\u6570\u306f\u3001\u65e2\u306b\u547c\u3073\u51fa\u3057\u6e08\u307f\u306e\u95a2\u6570(\u30bf\u30b9\u30af)\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u51e6\u7406\u306e\u5b9f\u884c\u304c\u4fdd\u7559\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
\u4e0a\u8ff0\u306e\u4ed5\u69d8\u306b\u3088\u308a\u3001\u65e2\u5b58\u30bf\u30b9\u30af\u306e\u51e6\u7406\u306b\u6642\u9593\u304c\u304b\u304b\u3063\u305f\u5834\u5408\u306b\u3001\u30bf\u30b9\u30af\u30ad\u30e5\u30fc\u306b\u8ffd\u52a0\u3057\u305f\u51e6\u7406\u306e\u5b9f\u884c\u304c\u6307\u5b9a\u306e\u79d2\u6570\u3088\u308a\u3082\u9045\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002
setTimeout\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u3042\u304f\u307e\u3067\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u9806\u3092\u5927\u307e\u304b\u306b\u8abf\u6574\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u3067\u3042\u308a\u3001\u7279\u5b9a\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u5fc5\u305a\u51e6\u7406\u3092\u5b9f\u884c\u3055\u305b\u308b\u305f\u3081\u306e\u95a2\u6570\u3067\u306f\u306a\u3044\u70b9\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n
setTimeout\u306e\u6d3b\u7528\u4f8b<\/h2>\n\n\n\n
setTimeout\u30e1\u30bd\u30c3\u30c9\u3092\u6d3b\u7528\u3059\u308b\u65b9\u6cd5\u306f\u69d8\u3005\u3067\u3059\u304c\u3001\u307e\u305a\u306f\u7c21\u5358\u306a\u4f8b\u3068\u3057\u3066\u3001\u6307\u5b9a\u3057\u305f\u79d2\u6570\u304c\u7d4c\u904e\u3057\u305f\u5f8c\u306b\u30a2\u30e9\u30fc\u30c8\u3092\u8868\u793a\u3059\u308b\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u7279\u5b9a\u306e\u30a4\u30d9\u30f3\u30c8\u304b\u3089n\u79d2\u5f8c\u306b\u30a2\u30e9\u30fc\u30c8\u3092\u8868\u793a\u3059\u308b<\/h3>\n\n\n\n
\u4f8b\u3048\u3070\u3001\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u5b8c\u4e86\u6642\u3084\u30dc\u30bf\u30f3\u30af\u30ea\u30c3\u30af\u6642\u306a\u3069\u3001\u7279\u5b9a\u306e\u51e6\u7406\u3084\u30a4\u30d9\u30f3\u30c8\u3092\u304d\u3063\u304b\u3051\u306b setTimeout\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3001n\u79d2\u5f8c\u306b\u30a2\u30e9\u30fc\u30c8\u3092\u8868\u793a\u3059\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002
\u8868\u793a\u65b9\u6cd5\u306f\u5358\u7d14\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3092\u5bfe\u5fdc\u3059\u308b\u7b87\u6240\u306b\u8a18\u8ff0\u3059\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
setTimeout(function(){\n  alert(time + "3\u79d2\u7d4c\u904e");\n}, 3000);<\/code><\/pre><\/div>\n\n\n\n
\u8a66\u3057\u306b\u3001\u5165\u529b\u3057\u305f\u79d2\u6570\u3067\u8a2d\u5b9a\u3059\u308b\u7c21\u5358\u306a\u30bf\u30a4\u30de\u30fc\u3092\u5b9f\u88c5\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002
\u307e\u305a\u306f\u3001\u8a2d\u5b9a\u3059\u308b\u79d2\u6570\u3092\u5165\u529b\u3059\u308b\u305f\u3081\u306e\u30c6\u30ad\u30b9\u30c8\u6b04\u3068\u3001\u30bf\u30a4\u30de\u30fc\u3092\u30bb\u30c3\u30c8\u3059\u308b\u305f\u3081\u306e\u30dc\u30bf\u30f3\u3092HTML\u3067\u914d\u7f6e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
<body>\n    <label>\u30bf\u30a4\u30de\u30fc\uff1a<input type="text" id="telText"> \u79d2<\/label>\n    <input type="button" value="set" id="checkBtn">\n<\/body><\/code><\/pre><\/div>\n\n\n\n
\u5b8c\u4e86\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u753b\u9762\u304c\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\"\"\n\n\n\n
\u7d9a\u3044\u3066\u3001set\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u305f\u969b\u306b\u30a2\u30e9\u30fc\u30c8\u304c\u30bb\u30c3\u30c8\u3055\u308c\u308b\u3088\u3046\u3001\u30b3\u30fc\u30c9\u3092\u8a18\u8ff0\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002
JavaScript\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u51e6\u7406\u3092\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
const text = document.getElementById('telText');\nconst checkBtn = document.getElementById('checkBtn');\n\ncheckBtn.addEventListener('click', () => {\n    const time = text.value;\n    setTimeout(function(){\n        alert(time + "\u79d2\u7d4c\u904e");\n    }, time * 1000);\n});<\/code><\/pre><\/div>\n\n\n\n
\u5165\u529b\u3057\u305f\u79d2\u6570\u3067\u7121\u4e8b\u306b\u30a2\u30e9\u30fc\u30c8\u304c\u8868\u793a\u3055\u308c\u308c\u3070\u3001\u6210\u529f\u3067\u3059\u3002<\/p>\n\n\n\n\"\"\n\n\n\n\"\"\n\n\n\n
clearTimeout\u3067\u30bf\u30a4\u30de\u30fc\u3092\u505c\u6b62\u3059\u308b<\/h3>\n\n\n\n
\u30bb\u30c3\u30c8\u3057\u305f\u51e6\u7406\u3092\u4e2d\u65ad\u3055\u305b\u305f\u3044\u30b1\u30fc\u30b9\u3082\u4e2d\u306b\u306f\u3042\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002
\u305d\u306e\u5834\u5408\u306f\u3001clearTimeout\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
clearTimeout\u30e1\u30bd\u30c3\u30c9\u306e\u5f15\u6570\u306b\u306f\u3001\u4e2d\u65ad\u3055\u305b\u305f\u3044 setTimeout\u30e1\u30bd\u30c3\u30c9\u306e\u8b58\u5225\u5b50(ID) \u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002
ID\u306f\u3001setTimeout\u30e1\u30bd\u30c3\u30c9\u306e\u623b\u308a\u5024\u3067\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
const id = setTimeout(function(){\n  console.log("3\u79d2\u7d4c\u904e");\n}, 3000); \n\nclearTimeout(id);<\/code><\/pre><\/div>\n\n\n\n
setTimeout\u306e\u5fdc\u7528\u4f8b<\/h2>\n\n\n\n
\u3053\u3053\u304b\u3089\u306f\u3001setTimeout\u30e1\u30bd\u30c3\u30c9\u306e\u5fdc\u7528\u7684\u306a\u4f7f\u3044\u65b9\u3084\u3001\u4f7f\u7528\u6642\u306b\u6ce8\u610f\u3059\u308b\u3079\u304d\u3044\u304f\u3064\u304b\u306e\u70b9\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002
\u305d\u308c\u305e\u308c\u3001\u9806\u306b\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
\u8907\u6570\u306e\u30bf\u30a4\u30de\u30fc\u51e6\u7406\u3092\u5b9f\u884c\u3059\u308b<\/h3>\n\n\n\n
\u975e\u540c\u671f\u306b\u51e6\u7406\u3057\u305f\u3044\u8907\u6570\u306e\u95a2\u6570\u3092\u3001\u4efb\u610f\u306e\u9806\u756a\u3067\u5b9f\u884c\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u305f\u3044\u30b1\u30fc\u30b9\u3082\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u7c21\u5358\u306a\u5b9f\u88c5\u65b9\u6cd5\u3068\u3057\u3066\u306f\u3001\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u306e\u4e2d\u3067\u518d\u5ea6 setTimeout\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
setTimeout(function() {\n  console.log(\u201c3\u79d2\u7d4c\u904e\u3057\u307e\u3057\u305f");\n\n    setTimeout(function() {\n        console.log(\u201c1\u79d2\u7d4c\u904e\u3057\u307e\u3057\u305f");\n    }, 1000);\n\n}, 3000);<\/code><\/pre><\/div>\n\n\n\n
\u305f\u3060\u3057\u3001\u3053\u306e\u65b9\u6cd5\u306f\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u5730\u7344\u3068\u547c\u3070\u308c\u308b\u72b6\u614b\u306b\u9665\u308a\u3084\u3059\u304f\u3001\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u304c\u4e0b\u304c\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u305f\u3081\u304a\u52e7\u3081\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
\u4e0a\u8a18\u306e\u3088\u3046\u306a\u51e6\u7406\u3092\u5b9f\u88c5\u3057\u305f\u3044\u5834\u5408\u306f\u3001Promise.then\u30e1\u30bd\u30c3\u30c9 \u3084 async\/await \u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
const timer = function(time) {\n    return new Promise(function (resolve) {\n        setTimeout(function() {\n            console.log(time + "\u79d2\u7d4c\u904e");\n            resolve();\n        }, time * 1000); \n    });\n};\n\n\/\/ Promise.then()\u306e\u5834\u5408\u3000\ntimer(3)\n    .then(function() {\n        timer(1)\n    })\n    .then(function() {\n        timer(2)\n    });\n\n\/\/ async\/await\u306e\u5834\u5408\nasync function sampleFunc() {\n    await timer(3);\n    await timer(1);\n    await timer(2);\n}<\/code><\/pre><\/div>\n\n\n\n
\u5148\u307b\u3069\u3082\u89e3\u8aac\u3057\u305f\u3088\u3046\u306b\u3001setTimeout\u30e1\u30bd\u30c3\u30c9\u306e\u7b2c\uff11\u5f15\u6570\u306b\u6307\u5b9a\u3059\u308b\u306e\u306f\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3067\u3059\u3002
\u3053\u306e\u969b\u306b\u6c17\u3092\u4ed8\u3051\u308b\u3079\u304d\u30dd\u30a4\u30f3\u30c8\u3068\u3057\u3066\u3001\u6e21\u3059\u306e\u306f\u3042\u304f\u307e\u3067\u95a2\u6570\u305d\u306e\u3082\u306e\u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u307e\u305a\u306f\u3001\u4ee5\u4e0b\u306e\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
const sampleFunc = function() {\n    console.log("\u95a2\u6570\u3092\u5b9f\u884c\u3057\u307e\u3057\u305f");\n}\n\nsetTimeout(sampleFunc(), 3000);<\/code><\/pre><\/div>\n\n\n\n
\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
TypeError [ERR_INVALID_CALLBACK]: Callback must be a function. Received undefined<\/code><\/pre><\/div>\n\n\n\n
\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u539f\u56e0\u306f\u3001\u95a2\u6570\u540d\u306e\u5f8c\u308d\u306b () \u304c\u8a18\u8ff0\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u95a2\u6570\u305d\u306e\u3082\u306e\u3067\u306f\u306a\u304f\u5b9f\u884c\u7d50\u679c\u3092\u5f15\u6570\u306b\u6e21\u3057\u3066\u3057\u307e\u3063\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002
\u3053\u306e\u3088\u3046\u306b\u3001\u95a2\u6570\u306e\u8a18\u8ff0\u306e\u4ed5\u65b9\u306b\u3088\u3063\u3066\u306f\u3001\u6b63\u3057\u304f\u5f15\u6570\u306b\u6e21\u305b\u306a\u3044\u5834\u5408\u304c\u3042\u308b\u306e\u3067\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n
setTimeout\u306b0\u30df\u30ea\u79d2\u3092\u6e21\u3057\u305f\u3068\u304d\u306e\u52d5\u4f5c<\/h3>\n\n\n\n
setTimeout\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u7b2c\uff12\u5f15\u6570\u306b\u6307\u5b9a\u3057\u305f\u79d2\u6570\u5206\u3060\u3051\u51e6\u7406\u3092\u9045\u5ef6\u3055\u305b\u307e\u3059\u3002
\u3067\u306f\u3001\uff10\u30df\u30ea\u79d2\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u306e\u6319\u52d5\u306f\u3069\u306e\u3088\u3046\u306a\u3082\u306e\u306b\u306a\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n\n\n\n
\u307e\u305a\u306f\u3001\u4ee5\u4e0b\u306e\u4f8b\u3092\u5b9f\u884c\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
setTimeout(function() {\n    console.log("\u95a2\u6570\u3092\u5b9f\u884c\u3057\u307e\u3057\u305f");\n}, 0);\n\nconsole.log("Hello World!");<\/code><\/pre><\/div>\n\n\n\n
\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n
Hello World!\n\u95a2\u6570\u3092\u5b9f\u884c\u3057\u307e\u3057\u305f<\/code><\/pre><\/div>\n\n\n\n
\u7d50\u679c\u3092\u898b\u3066\u307f\u308b\u3068\u3001setTimeout\u30e1\u30bd\u30c3\u30c9\u3088\u308a\u5f8c\u306b\u8a18\u8ff0\u3057\u305f\u30b3\u30fc\u30c9\u304c\u5148\u306b\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u5206\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n
\u65e2\u306b\u4e0a\u8ff0\u3057\u305f\u3088\u3046\u306b\u3001setTimeout\u306f\u6307\u5b9a\u306e\u6642\u9593\u306b\u5373\u5ea7\u306b\u51e6\u7406\u3092\u5b9f\u884c\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u306f\u306a\u304f\u3001\u4e00\u65e6\u9000\u907f\u3055\u305b\u305f\u51e6\u7406\u3092\u30bf\u30b9\u30af\u30ad\u30e5\u30fc\u3078\u3068\u8ffd\u52a0\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002
\u305d\u306e\u305f\u3081\u3001\u30bf\u30b9\u30af\u30ad\u30e5\u30fc\u3078\u306e\u8ffd\u52a0\u6642\u70b9\u3067\u65e2\u306b\u547c\u3073\u51fa\u3055\u308c\u3066\u3044\u305f console.log\u30e1\u30bd\u30c3\u30c9\u304c\u5148\u306b\u5b9f\u884c\u3055\u308c\u3001\u305d\u306e\u5f8c\u306b\u8ffd\u52a0\u3057\u305f\u51e6\u7406\u304c\u5b9f\u884c\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u3053\u306e\u3088\u3046\u306a\u4f7f\u3044\u65b9\u3092\u3059\u308b\u30b1\u30fc\u30b9\u306f\u7a00\u3067\u3059\u304c\u30010\u30df\u30ea\u79d2\u3092\u6307\u5b9a\u3057\u3066\u3082\u5373\u6642\u5b9f\u884c\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u70b9\u306b\u306f\u6ce8\u610f\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3084\u5f15\u6570\u3092\u6d3b\u7528\u3059\u308b<\/h2>\n\n\n\n
\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u81ea\u8eab\u306b\u5f15\u6570\u3092\u6e21\u3059\u65b9\u6cd5\u3084\u3001this\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3059\u308b\u969b\u306e\u6319\u52d5\u306b\u3082\u3001\u3044\u304f\u3064\u304b\u6c17\u3092\u4ed8\u3051\u308b\u3079\u304d\u70b9\u304c\u3042\u308a\u307e\u3059\u3002
\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
\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u306b\u5f15\u6570\u3092\u6e21\u3059<\/h3>\n\n\n\n
setTimeout\u30e1\u30bd\u30c3\u30c9\u3067\u5b9f\u884c\u3059\u308b\u95a2\u6570\u306b\u5f15\u6570\u3092\u6e21\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u30e1\u30bd\u30c3\u30c9\u306e\u7b2c\uff13\u5f15\u6570\u4ee5\u964d\u306b\u5024\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
function sampleFunc(name) {\n    console.log(name);\n}\n\nsetTimeout(sampleFunc, 3000, "Taro Yamada");<\/code><\/pre><\/div>\n\n\n\n
\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n
Taro Yamada<\/code><\/pre><\/div>\n\n\n\n
\u95a2\u6570\u306b\u5024\u3092\u76f4\u63a5\u6e21\u3057\u3066\u3057\u307e\u3046\u3068\u3001\u5b9f\u884c\u7d50\u679c\u3092\u30e1\u30bd\u30c3\u30c9\u306e\u5f15\u6570\u306b\u6e21\u3057\u305f\u3068\u898b\u306a\u3055\u308c\u3001\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n
\u3010\u30a8\u30e9\u30fc\u306b\u306a\u308b\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
function sampleFunc(name) {\n    console.log(name);\n}\n\n\/\/ \u5f15\u6570\u3092\u6b63\u3057\u304f\u6e21\u3055\u306a\u304b\u3063\u305f\u3068\u3055\u308c\u3066\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\nsetTimeout(sampleFunc("Taro Yamada"), 3000);<\/code><\/pre><\/div>\n\n\n\n
this\u3092\u4f7f\u7528\u3057\u3066\u95a2\u6570\u81ea\u8eab\u3092\u6307\u5b9a\u3059\u308b<\/h3>\n\n\n\n
this\u30ad\u30fc\u30ef\u30fc\u30c9\u306f\u3001\u30b0\u30ed\u30fc\u30d0\u30eb\u30aa\u30d6\u30b8\u30a7\u30af\u30c8(Window\u306a\u3069)\u3001\u3082\u3057\u304f\u306f\u30e1\u30bd\u30c3\u30c9\u306e\u547c\u3073\u51fa\u3057\u5143\u3068\u306a\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u81ea\u8eab\u3092\u53c2\u7167\u3059\u308b\u30ad\u30fc\u30ef\u30fc\u30c9\u3067\u3059\u3002
\u4e3b\u306b\u30af\u30e9\u30b9\u5185\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u53c2\u7167\u3059\u308b\u6642\u306a\u3069\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u304c\u3001\u547c\u3073\u51fa\u3057\u65b9\u306b\u3088\u308b\u53c2\u7167\u5148\u306e\u9055\u3044\u3092\u6b63\u3057\u304f\u7406\u89e3\u3057\u3066\u3044\u306a\u3044\u3068\u3001\u60f3\u5b9a\u5916\u306e\u52d5\u4f5c\u3092\u5f15\u304d\u8d77\u3053\u3059\u539f\u56e0\u3068\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u307e\u305a\u306f\u3001\u4ee5\u4e0b\u306e\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
class sampleClass {\n\n    constructor() {\n        this.text = "\u6210\u529f\u3057\u307e\u3057\u305f";\n    }\n\n    showLog() {\n        console.log(this.text);\n    }\n}\n\nconst sample = new sampleClass();\n\nsetTimeout(sample.showLog, 1000);<\/code><\/pre><\/div>\n\n\n\n
\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n
undefined<\/code><\/pre><\/div>\n\n\n\n
\u4e0a\u8a18\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306f\u3001this\u30ad\u30fc\u30ef\u30fc\u30c9\u306b\u3088\u308b\u53c2\u7167\u304c\u4e0a\u624b\u304f\u3044\u304b\u306a\u3044\u5931\u6557\u4f8b\u306e\uff11\u3064\u3067\u3059\u3002
sampleClass\u306e text\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u5024\u3092\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u8868\u793a\u3057\u3088\u3046\u3068\u3057\u307e\u3057\u305f\u304c\u3001\u7d50\u679c\u306f undefined\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u901a\u5e38\u3001\u30e1\u30bd\u30c3\u30c9\u5185\u306b\u304a\u3051\u308b this\u30ad\u30fc\u30ef\u30fc\u30c9\u306f\u751f\u6210\u3057\u305f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u81ea\u8eab\u3092\u53c2\u7167\u3057\u307e\u3059\u304c\u3001setTimeout\u30e1\u30bd\u30c3\u30c9\u306e\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3068\u3057\u3066\u5b9f\u884c\u3059\u308b\u3068\u3001\u53c2\u7167\u5148\u304c\u30b0\u30ed\u30fc\u30d0\u30eb\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3059\u3002
\u305d\u306e\u305f\u3081\u3001\u6307\u5b9a\u3057\u305f\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u5b58\u5728\u305b\u305a\u3001undefined\u304c\u8868\u793a\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u3053\u306e\u5834\u5408\u306e\u89e3\u6c7a\u7b56\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3001\u65b0\u305f\u306b\u5b9a\u7fa9\u3057\u305f\u95a2\u6570\u5185\u3067\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
setTimeout(function() {\n    sample.showLog();\n} , 1000);<\/code><\/pre><\/div>\n\n\n\n
\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n
\u6210\u529f\u3057\u307e\u3057\u305f<\/code><\/pre><\/div>\n\n\n\n
setTimeout\u306e\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u5185\u3067 this\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3059\u308b\u969b\u306f\u3001\u53c2\u7167\u5148\u306b\u6ce8\u610f\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n
setTimeout\u3068setInterval\u306e\u9055\u3044<\/h2>\n\n\n\n
JavaScript\u306b\u306f\u3001setTimeout\u306b\u4f3c\u305f\u30e1\u30bd\u30c3\u30c9\u306b\u3001setInterval\u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
setTimeout\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u5bfe\u8c61\u306e\u51e6\u7406\u3092\u6307\u5b9a\u306e\u6642\u9593\u5206\u3060\u3051\u9045\u5ef6\u3055\u305b\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002
\u4e00\u65b9\u3001setInterval\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u6307\u5b9a\u306e\u6642\u9593\u304c\u7d4c\u904e\u3059\u308b\u3054\u3068\u306b\u5bfe\u8c61\u306e\u51e6\u7406\u3092\u7e70\u308a\u8fd4\u3059\u30e1\u30bd\u30c3\u30c9\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
setTimeout\u306e\u5834\u5408\u3001\u6307\u5b9a\u306e\u51e6\u7406\u304c\u5b9f\u884c\u3055\u308c\u308b\u306e\u306f\u4e00\u5ea6\u3060\u3051\u3067\u3059\u304c\u3001setInterval\u306e\u5834\u5408\u306f\u30e1\u30bd\u30c3\u30c9\u304c\u505c\u6b62\u3055\u308c\u308b\u307e\u3067\u51e6\u7406\u304c\u6c38\u7d9a\u7684\u306b\u7e70\u308a\u8fd4\u3055\u308c\u7d9a\u3051\u307e\u3059\u3002
\u305d\u306e\u305f\u3081\u3001\u505c\u6b62\u7528\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u3042\u308b clearInterval\u3068\u5408\u308f\u305b\u3066\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n
let count = 0;\n  \nconst id = setInterval(function() {\n    count += 1;\n    console.log(count);\n}, 1000);\n\nsetTimeout(function() {\n    clearInterval(id);\n}, 6000);<\/code><\/pre><\/div>\n\n\n\n
\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n
1\n2\n3\n4\n5<\/code><\/pre><\/div>\n\n\n\n
\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3044\u5206\u3051\u308b\u969b\u306f\u3001\u8a72\u5f53\u306e\u51e6\u7406\u3092\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3067\u5224\u65ad\u3059\u308b\u3068\u3044\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n
\u307e\u3068\u3081<\/h2>\n\n\n\n
\u3044\u304b\u304c\u3067\u3057\u305f\u304b\uff1f\u4eca\u56de\u306f\u3001JavaScript\u3067 setTimeout\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
JavaScript\u306b\u306f\u3001\u4ed6\u306e\u8a00\u8a9e\u3067\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u306a sleep\u6a5f\u80fd\u304c\u5b58\u5728\u3057\u306a\u3044\u305f\u3081\u3001\u3088\u304f\u3053\u306e setTimeout\u30e1\u30bd\u30c3\u30c9\u3092\u5fdc\u7528\u3057\u3066\u5b9f\u88c5\u3055\u308c\u305f\u308a\u3057\u307e\u3059\u3002
\u305d\u306e\u4ed6\u306b\u3082\u3001\u69d8\u3005\u306a\u30b1\u30fc\u30b9\u3067\u6d3b\u7528\u3055\u308c\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u306e\u3067\u3001\u305c\u3072\u3053\u306e\u6a5f\u4f1a\u306b\u4f7f\u3044\u65b9\u3092\u899a\u3048\u3066\u3001\u5b9f\u969b\u306e\u958b\u767a\u306b\u3082\u5f79\u7acb\u3066\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n
JavaScript\u306e\u52c9\u5f37\u65b9\u6cd5\u306f\uff1f<\/h2>\n\n\n
\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
\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
\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
\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u306a\u3089\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u304c\u304a\u3059\u3059\u3081\uff01<\/strong><\/span><\/p>\n\n\n\"\"\n\n\n
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
\n
\uff1c\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u306e\u7279\u5fb4\uff1e<\/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>
\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>
\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>
\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
\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
\u8a71\u3092\u805e\u304d\u305f\u3044\u30fb\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u3068\u3044\u3046\u65b9\u306f\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":"JavaScript\u3067\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u969b\u306b\u3001\u7279\u5b9a\u306e\u51e6\u7406\u306e\u5b9f\u884c\u3092\u9045\u3089\u305b\u305f\u3044\u6642\u304c\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u3002\u305d\u306e\u969b\u306b\u6d3b\u7528\u3067\u304d\u308b\u306e\u304c\u3001setTimeout\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002 setTimeout\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u30da\u30fc\u30b8\u8868\u793a\u306a\u3069\u306e\u7279\u5b9a\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u304b\u3089\u4e00\u5b9a\u6642\u9593\u5f8c\u306b\u51e6\u7406\u3092\u5b9f\u884c\u3057\u305f\u308a\u306a\u3069\u3001\u30bf\u30a4\u30de\u30fc\u6a5f\u80fd\u3068\u3057\u3066\u3082\u6d3b\u7528\u3067\u304d\u308b\u30e1\u30bd\u30c3\u30c9\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u4eca\u56de\u306f\u3053\u306e\u3001setTimeout\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3001\u89e3\u8aac\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002 […]","protected":false},"author":11,"featured_media":10154,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/web-img.rensa.jp.net\/images\/techmania\/thumbnail\/images\/javascript-settimeout.webp","fifu_image_alt":"\u3010JavaScript\u5165\u9580\u3011setTimeout\u306e\u4f7f\u3044\u65b9\u3068\u6d3b\u7528\u4f8b\u3092\u89e3\u8aac\uff01","footnotes":""},"categories":[15],"tags":[17],"class_list":["post-10152","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-programming","tag-javascript"],"_links":{"self":[{"href":"https:\/\/techmania.jp\/blog\/wp-json\/wp\/v2\/posts\/10152","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/techmania.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/techmania.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/techmania.jp\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/techmania.jp\/blog\/wp-json\/wp\/v2\/comments?post=10152"}],"version-history":[{"count":2,"href":"https:\/\/techmania.jp\/blog\/wp-json\/wp\/v2\/posts\/10152\/revisions"}],"predecessor-version":[{"id":10156,"href":"https:\/\/techmania.jp\/blog\/wp-json\/wp\/v2\/posts\/10152\/revisions\/10156"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/techmania.jp\/blog\/wp-json\/wp\/v2\/media\/10154"}],"wp:attachment":[{"href":"https:\/\/techmania.jp\/blog\/wp-json\/wp\/v2\/media?parent=10152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/techmania.jp\/blog\/wp-json\/wp\/v2\/categories?post=10152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/techmania.jp\/blog\/wp-json\/wp\/v2\/tags?post=10152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}