{"id":55743,"date":"2024-03-11T18:45:57","date_gmt":"2024-03-11T09:45:57","guid":{"rendered":"https:\/\/kinsta.com\/jp\/?p=55743&#038;post_type=knowledgebase&#038;preview_id=55743"},"modified":"2025-10-02T04:44:55","modified_gmt":"2025-10-01T19:44:55","slug":"what-is-node-js","status":"publish","type":"post","link":"https:\/\/kinsta.com\/jp\/blog\/what-is-node-js\/","title":{"rendered":"Node.js\u3068\u306f"},"content":{"rendered":"<p>JavaScript\u306f\u3001\u4e16\u754c\u3067\u6700\u3082\u4eba\u6c17\u306e\u3042\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306e\u3072\u3068\u3064\u3067\u3059\u3002\u4eca\u65e5\u3001\u4f55\u767e\u4e07\u3082\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u52d5\u304b\u3057\u3066\u304a\u308a\u3001\u30a6\u30a7\u30d6\u7528\u306e\u6a5f\u80fd\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306b\u591a\u304f\u306e\u958b\u767a\u8005\u3084\u30c7\u30b6\u30a4\u30ca\u30fc\u3092\u9b45\u4e86\u3057\u3066\u3044\u307e\u3059\u3002JavaScript\u306f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u7d4c\u9a13\u3092\u554f\u308f\u305a\u6ce8\u76ee\u3057\u305f\u3044\u3001\u7c21\u5358\u306b\u7fd2\u5f97\u3067\u304d\u308b<a href=\"https:\/\/kinsta.com\/blog\/best-programming-language-to-learn\/\">\u6700\u9ad8\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e<\/a>\u306e\u3072\u3068\u3064\u3067\u3059\u3002<\/p>\n<p>\u6700\u521d\u306e20\u5e74\u9593\u3001JavaScript\u306f\u4e3b\u306b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b5\u30a4\u30c9\u30b9\u30af\u30ea\u30d7\u30c6\u30a3\u30f3\u30b0\u306b\u4f7f\u308f\u308c\u3066\u3044\u307e\u3057\u305f\u3002JavaScript\u306f<code>&lt;script&gt;<\/code> \u30bf\u30b0\u306e\u4e2d\u3067\u3057\u304b\u4f7f\u3048\u306a\u304b\u3063\u305f\u305f\u3081\u3001\u958b\u767a\u8005\u306f\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3068\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u9593\u3067\u8907\u6570\u306e\u8a00\u8a9e\u3084\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u4f7f\u3063\u3066\u4f5c\u696d\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u305d\u306e\u5f8c\u306b\u767b\u5834\u3057\u305fNode.js\u306f\u3001JavaScript\u3067\u66f8\u304b\u308c\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u306e\u306b\u5fc5\u8981\u306a\u3059\u3079\u3066\u3092\u542b\u3080\u30e9\u30f3\u30bf\u30a4\u30e0\u74b0\u5883\u3067\u3059\u3002<\/p>\n<p>Node.js\u306f\u3001\u9ad8\u901f\u3067\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u306a\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u304a\u3088\u3073\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3059\u308b\u306e\u306b\u4fbf\u5229\u306a\u3001\u30b7\u30f3\u30b0\u30eb\u30b9\u30ec\u30c3\u30c9\u3001\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u3001\u30af\u30ed\u30b9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e\u30e9\u30f3\u30bf\u30a4\u30e0\u74b0\u5883\u3067\u3059\u3002V8 JavaScript\u30e9\u30f3\u30bf\u30a4\u30e0\u30a8\u30f3\u30b8\u30f3\u4e0a\u3067\u52d5\u4f5c\u3057\u3001\u30a4\u30d9\u30f3\u30c8\u30c9\u30ea\u30d6\u30f3\u3001\u30ce\u30f3\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0I\/O\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u52b9\u7387\u7684\u3067\u3042\u308a\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<div><\/div><kinsta-auto-toc heading=\"Table of Contents\" exclude=\"last\" list-style=\"arrow\" selector=\"h2\" count-number=\"-1\"><\/kinsta-auto-toc>\n<h3>Node.js\u306e\u8a18\u8ff0\u8a00\u8a9e<\/h3>\n<p>Node.js\u306fC\u3001C++\u3001JavaScript\u3067\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Node.js\">\u30a6\u30a3\u30ad\u30da\u30c7\u30a3\u30a2<\/a>\u306fNode.js\u3092\u300cGoogle\u306eV8 JavaScript\u30a8\u30f3\u30b8\u30f3\u3001libuv\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u62bd\u8c61\u5316\u30ec\u30a4\u30e4\u30fc\u3001\u30b3\u30a2\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u30b3\u30f3\u30d1\u30a4\u30eb\u3067\u3042\u308a\u3001\u305d\u308c\u81ea\u4f53\u306f\u4e3b\u306bJavaScript\u3067\u66f8\u304b\u308c\u3066\u3044\u308b\u300d\u3068<a href=\"https:\/\/en.wikipedia.org\/wiki\/Node.js\">\u5b9a\u7fa9<\/a>\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30e9\u30f3\u30bf\u30a4\u30e0\u306f\u3001JavaScript\u5b9f\u884c\u30a8\u30f3\u30b8\u30f3\u3067\u3042\u308b<a href=\"https:\/\/en.wikipedia.org\/wiki\/Chrome_V8\">Chrome V8<\/a>\u3092\u5185\u90e8\u3067\u4f7f\u7528\u3057\u3001C++\u3067\u8a18\u8ff0\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001Node.js\u306e\u30ec\u30d1\u30fc\u30c8\u30ea\u30fc\u306b\u3001\u5185\u90e8\u30b7\u30b9\u30c6\u30e0\u6a5f\u80fd\uff08\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306a\u3069\uff09\u3078\u306e\u30a2\u30af\u30bb\u30b9\u306a\u3069\u3001\u3055\u3089\u306a\u308b\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u304c\u52a0\u308f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>Node.js\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3068\u305d\u306e\u4ed5\u7d44\u307f<\/h2>\n<p>Node.js\u306f\u3001\u8907\u6570\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u540c\u6642\u306b\u51e6\u7406\u3059\u308b\u300c\u30b7\u30f3\u30b0\u30eb\u30b9\u30ec\u30c3\u30c9\u30a4\u30d9\u30f3\u30c8\u30eb\u30fc\u30d7\u300d\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u304c\u4ed6\u306e\u30e9\u30f3\u30bf\u30a4\u30e0\u3068\u3069\u306e\u3088\u3046\u306b\u7570\u306a\u308b\u304b\u3092\u7406\u89e3\u3059\u308b\u306b\u306f\u3001Java\u306a\u3069\u306e\u8a00\u8a9e\u3067\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u306e\u540c\u6642\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u3069\u306e\u3088\u3046\u306b\u51e6\u7406\u3055\u308c\u308b\u304b\u3092\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30ea\u30af\u30a8\u30b9\u30c8\u30ec\u30b9\u30dd\u30f3\u30b9\u30e2\u30c7\u30eb\u3067\u306f\u3001\u8907\u6570\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3057\u3001\u30b5\u30fc\u30d0\u30fc\u306f\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u9001\u308a\u8fd4\u3059\u524d\u306b\u305d\u308c\u305e\u308c\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u540c\u6642\u547c\u3073\u51fa\u3057\u306e\u51e6\u7406\u306b\u306f\u8907\u6570\u306e\u30b9\u30ec\u30c3\u30c9\u304c\u4f7f\u308f\u308c\u307e\u3059\u3002\u30b9\u30ec\u30c3\u30c9\u306f\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u3067\u5b9a\u7fa9\u3055\u308c\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u6765\u308b\u305f\u3073\u306b\u500b\u3005\u306e\u30b9\u30ec\u30c3\u30c9\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u51e6\u7406\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_92199\" aria-describedby=\"caption-attachment-92199\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-92199 size-large\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2021\/03\/Nodejs-Architecture-1024x576.png\" alt=\"Nodejs-Architecture\" width=\"1024\" height=\"576\"><figcaption id=\"caption-attachment-92199\" class=\"wp-caption-text\">\u30a4\u30d9\u30f3\u30c8\u30eb\u30fc\u30d7\u3092\u4f7f\u3063\u305fNode.js\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u51e6\u7406\u65b9\u6cd5<\/figcaption><\/figure>\n<p>Node.js\u306e\u52d5\u4f5c\u3092\u30b9\u30c6\u30c3\u30d7\u6bce\u306b\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<ol>\n<li>Node.js\u306f\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u5bfe\u5fdc\u3059\u308b\u9650\u3089\u308c\u305f\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u3092\u4fdd\u6301\u3059\u308b\u3002<\/li>\n<li>\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u6765\u308b\u305f\u3073\u306b\u3001Node.js\u304c\u305d\u308c\u3092\u30ad\u30e5\u30fc\u306b\u5165\u308c\u308b\u3002<\/li>\n<li>\u3053\u3053\u3067\u3001\u30b7\u30f3\u30b0\u30eb\u30b9\u30ec\u30c3\u30c9\u306e\u300c\u30a4\u30d9\u30f3\u30c8\u30eb\u30fc\u30d7\u300d\uff08\u30b3\u30a2\u3068\u306a\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff09\u304c\u52b9\u679c\u3092\u767a\u63ee\u3002\u3053\u306e\u30a4\u30d9\u30f3\u30c8\u30eb\u30fc\u30d7\u304c\u7d99\u7d9a\u7684\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u53d7\u3051\u5165\u308c\u308b\u3002<\/li>\n<li>\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u6765\u308b\u3068\u3001\u30eb\u30fc\u30d7\u304c\u30ad\u30e5\u30fc\u304b\u3089\u305d\u308c\u3092\u30d4\u30c3\u30af\u30a2\u30c3\u30d7\u3057\u3001\u5165\u51fa\u529b\uff08I\/O\uff09\u306e\u30d6\u30ed\u30c3\u30af\u64cd\u4f5c\u3092\u5fc5\u8981\u3068\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3002\u305d\u3046\u3067\u306a\u3051\u308c\u3070\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3057\u3066\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u9001\u308b\u3002<\/li>\n<li>\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u30d6\u30ed\u30c3\u30af\u64cd\u4f5c\u304c\u5fc5\u8981\u306a\u5834\u5408\u3001\u30a4\u30d9\u30f3\u30c8\u30eb\u30fc\u30d7\u306f\u5185\u90e8\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u304b\u3089\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3059\u308b\u30b9\u30ec\u30c3\u30c9\u3092\u5272\u308a\u5f53\u3066\u308b\u3002\u4f7f\u7528\u3067\u304d\u308b\u5185\u90e8\u30b9\u30ec\u30c3\u30c9\u306b\u306f\u9650\u308a\u304c\u3042\u308b\u3002\u3053\u306e\u88dc\u52a9\u30b9\u30ec\u30c3\u30c9\u7fa4\u3092\u30ef\u30fc\u30ab\u30fc\u30b0\u30eb\u30fc\u30d7\u3068\u547c\u3076\u3002<\/li>\n<li>\u30a4\u30d9\u30f3\u30c8\u30eb\u30fc\u30d7\u306f\u30d6\u30ed\u30c3\u30af\u306e\u8981\u6c42\u3092\u8ffd\u8de1\u3057\u3001\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u30bf\u30b9\u30af\u304c\u51e6\u7406\u3055\u308c\u308b\u3068\u305d\u308c\u3092\u30ad\u30e5\u30fc\u306b\u5165\u308c\u308b\u3002\u3053\u3046\u3057\u3066\u30ce\u30f3\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u3068\u3057\u3066\u306e\u69cb\u9020\u3092\u7dad\u6301\u3057\u3066\u3044\u308b\u3002<\/li>\n<\/ol>\n<p>Node.js\u306f\u4f7f\u7528\u3059\u308b\u30b9\u30ec\u30c3\u30c9\u306e\u6570\u304c\u5c11\u306a\u3044\u306e\u3067\u3001\u4f7f\u7528\u3059\u308b\u30ea\u30bd\u30fc\u30b9\u3084\u30e1\u30e2\u30ea\u3082\u5c11\u306a\u304f\u306a\u308a\u3001\u7d50\u679c\u3068\u3057\u3066\u30bf\u30b9\u30af\u306e\u5b9f\u884c\u304c\u901f\u304f\u306a\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u305d\u306e\u3088\u3046\u306a\u70b9\u3067\u306f\u3001\u30b7\u30f3\u30b0\u30eb\u30b9\u30ec\u30c3\u30c9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306f\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3068\u540c\u7b49\u3068\u8a00\u3048\u307e\u3059\u3002\u30c7\u30fc\u30bf\u96c6\u7d04\u7684\u306a\u30bf\u30b9\u30af\u3092\u51e6\u7406\u3059\u308b\u306b\u306f\u3001Java\u306e\u3088\u3046\u306a\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u8a00\u8a9e\u3092\u4f7f\u3046\u65b9\u304c\u306f\u308b\u304b\u306b\u7406\u306b\u304b\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u306fNode.js\u304c\u6709\u7528\u3067\u3059\u3002<\/p>\n<h2>Node.js\u306e\u7279\u5fb4<\/h2>\n<p>Node.js\u306f\u3053\u3053\u6570\u5e74\u3067\u6025\u901f\u306b\u6210\u9577\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001Node.js\u306e\u81a8\u5927\u306a\u6a5f\u80fd\u306b\u3088\u308b\u3082\u306e\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li><b>\u7c21\u5358<\/b>\uff1aNode.js\u306f\u7c21\u5358\u306b\u4f7f\u3044\u59cb\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30a6\u30a7\u30d6\u958b\u767a\u521d\u5fc3\u8005\u3067\u3082\u53d6\u3063\u639b\u304b\u308a\u3084\u3059\u3044\u9078\u629e\u80a2\u3067\u3059\u3002\u591a\u304f\u306e\u89e3\u8aac\u8a18\u4e8b\u3084\u5927\u898f\u6a21\u306a\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><b>\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb<\/b>\uff1a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u67d4\u8edf\u306a\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u304c\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002\u30b7\u30f3\u30b0\u30eb\u30b9\u30ec\u30c3\u30c9\u3067\u3042\u308bNode.js\u306f\u3001\u9ad8\u3044\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3067\u81a8\u5927\u306a\u6570\u306e\u540c\u6642\u63a5\u7d9a\u3092\u51e6\u7406\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><b>\u30b9\u30d4\u30fc\u30c9<\/b>\uff1a\u30ce\u30f3\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u306e\u30b9\u30ec\u30c3\u30c9\u5b9f\u884c\u306b\u3088\u308a\u3001Node.js\u306f\u9ad8\u901f\u3067\u52b9\u7387\u7684\u3067\u3059\u3002<\/li>\n<li><b>\u30d1\u30c3\u30b1\u30fc\u30b8<\/b>\uff1a\u81a8\u5927\u306a\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306eNode.js\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u5229\u7528\u53ef\u80fd\u3067\u3001\u4f5c\u696d\u306e\u7c21\u7d20\u5316\u304c\u53ef\u80fd\u3067\u3059\u3002\u73fe\u5728\u3001NPM\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u306b\u306f100\u4e07\u4ee5\u4e0a\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><b>\u5f37\u529b\u306a\u30d0\u30c3\u30af\u30a8\u30f3\u30c9<\/b>\uff1aNode.js\u306fC\u3068C++\u3067\u66f8\u304b\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u30b9\u30d4\u30fc\u30c9\u304c\u901f\u304f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b5\u30dd\u30fc\u30c8\u306a\u3069\u306e\u6a5f\u80fd\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><b>\u30de\u30eb\u30c1\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0<\/b>\uff1a\u30af\u30ed\u30b9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e\u30b5\u30dd\u30fc\u30c8\u306b\u3088\u308a\u3001<a href=\"https:\/\/sevalla.com\/application-hosting\/\">Node.js\u3092\u4f7f\u7528<\/a>\u3057\u3066\u3001SaaS\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3001PC\u30a2\u30d7\u30ea\u3001\u3055\u3089\u306b\u306f\u30e2\u30d0\u30a4\u30eb\u30a2\u30d7\u30ea\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><b>\u4fdd\u5b88\u6027<\/b>\uff1aNode.js\u306f\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3068\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306e\u4e21\u65b9\u3092JavaScript\u3067\u5358\u4e00\u8a00\u8a9e\u3068\u3057\u3066\u7ba1\u7406\u3067\u304d\u308b\u305f\u3081\u3001\u958b\u767a\u8005\u306b\u3068\u3063\u3066\u6271\u3046\u306e\u304c\u5bb9\u6613\u3067\u3059\u3002<\/li>\n<\/ol>\n<h2>\u5e02\u5834\u898f\u6a21<\/h2>\n<p>\u904e\u53bb20\u5e74\u9593\u3067\u30a6\u30a7\u30d6\u306f\u5927\u304d\u306a\u6210\u9577\u3092\u9042\u3052\u3066\u304a\u308a\u3001Node.js\u306e\u6210\u9577\u3082\u4f8b\u5916\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<a href=\"https:\/\/w3techs.com\/technologies\/details\/ws-nodejs\">W3Techs<\/a>\u306b\u3088\u308b\u3068\u3001Node.js\u306f\u30b5\u30a4\u30c8\u306e<strong>1.2%<\/strong>\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u3068\u306e\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5168\u4f53\u30672,000\u4e07\u4ee5\u4e0a\u306e\u30b5\u30a4\u30c8\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002<\/p>\n<p>Node.js\u306f\u4f55\u767e\u4e07\u3082\u306e\u4f01\u696d\u306b\u3082\u9078\u3070\u308c\u3066\u3044\u307e\u3059\u3002Node.js\u3092\u4f7f\u7528\u3059\u308b\u4eba\u6c17\u306e\u30b5\u30a4\u30c8\u3092\u3044\u304f\u3064\u304b\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>Twitter<\/li>\n<li>Spotify<\/li>\n<li>eBay<\/li>\n<li>Reddit<\/li>\n<li>LinkedIn<\/li>\n<li>Godaddy<\/li>\n<\/ul>\n<h2>Node.js\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/h2>\n<figure id=\"attachment_92201\" aria-describedby=\"caption-attachment-92201\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-92201 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2021\/03\/nodejs-applications.png\" alt=\"Node.js\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\" width=\"1024\" height=\"768\"><figcaption id=\"caption-attachment-92201\" class=\"wp-caption-text\">Node.js\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/figcaption><\/figure>\n<p>Node.js\u306f\u69d8\u3005\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002Node.js\u304c\u5f37\u3055\u3092\u767a\u63ee\u3059\u308b\u30b1\u30fc\u30b9\u304c\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li><b>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u30c1\u30e3\u30c3\u30c8<\/b>\uff1a\u30b7\u30f3\u30b0\u30eb\u30b9\u30ec\u30c3\u30c9\u3067\u975e\u540c\u671f\u306e\u305f\u3081\u3001Node.js\u306f\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u901a\u4fe1\u51e6\u7406\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u7c21\u5358\u306b\u62e1\u5f35\u3067\u304d\u3001\u30c1\u30e3\u30c3\u30c8\u30dc\u30c3\u30c8\u3092\u69cb\u7bc9\u3059\u308b\u969b\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002Node.js\u306f\u307e\u305f\u3001\u8907\u6570\u4eba\u30c1\u30e3\u30c3\u30c8\u3084\u30d7\u30c3\u30b7\u30e5\u901a\u77e5\u306e\u3088\u3046\u306a\u8ffd\u52a0\u30c1\u30e3\u30c3\u30c8\u6a5f\u80fd\u3092\u7c21\u5358\u306b\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><b>\u30e2\u30ce\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8<\/b>\uff1a<b>IoT<\/b>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u901a\u5e38\u3001\u8907\u6570\u306e\u30bb\u30f3\u30b5\u30fc\u3067\u69cb\u6210\u3055\u308c\u3001\u5c0f\u3055\u306a\u30c7\u30fc\u30bf\u306e\u584a\u3092\u983b\u7e41\u306b\u9001\u4fe1\u3059\u308b\u305f\u3081\u3001\u5927\u91cf\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002Node.js\u306f\u3001\u3053\u306e\u3088\u3046\u306a\u540c\u6642\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u7d20\u65e9\u304f\u51e6\u7406\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u512a\u308c\u305f\u9078\u629e\u80a2\u3067\u3059\u3002<\/li>\n<li><b>\u30c7\u30fc\u30bf\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0<\/b>\uff1aNetflix\u306a\u3069\u306e\u4f01\u696d\u304c\u3001\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u306bNode.js\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u4e3b\u306bNode.js\u304c\u8efd\u91cf\u3067\u9ad8\u901f\u3067\u3042\u308b\u3053\u3068\u306b\u52a0\u3048\u3001Node.js\u304c\u30cd\u30a4\u30c6\u30a3\u30d6\u306e\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0API\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u4e92\u3044\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u30d1\u30a4\u30d4\u30f3\u30b0\uff08pipe\uff09\u3067\u3084\u308a\u53d6\u308a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u305d\u306e\u7d50\u679c\u3001\u30c7\u30fc\u30bf\u304c\u6700\u7d42\u7684\u306a\u5b9b\u5148\u306b\u76f4\u63a5\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3055\u308c\u307e\u3059\u3002<\/li>\n<li><b>\u8907\u96d1\u306a\u30b7\u30f3\u30b0\u30eb\u30da\u30fc\u30b8\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff08SPA\uff09<\/b>\uff1aSPA\u3067\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5168\u4f53\u304c1\u3064\u306e\u30da\u30fc\u30b8\u306b\u8aad\u307f\u8fbc\u307e\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u901a\u5e38\u3001\u7279\u5b9a\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u5bfe\u3057\u3066\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u3044\u304f\u3064\u304b\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u884c\u308f\u308c\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002Node.js\u306e\u30a4\u30d9\u30f3\u30c8\u30eb\u30fc\u30d7\u306f\u3001\u30ce\u30f3\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u65b9\u5f0f\u3067\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u3001\u3053\u306e\u3088\u3046\u306a\u72b6\u6cc1\u3067\u529b\u3092\u767a\u63ee\u3057\u307e\u3059\u3002<\/li>\n<li><b>REST API\u30d9\u30fc\u30b9\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/b>\uff1aJavaScript\u306f\u3001\u30b5\u30a4\u30c8\u306e\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3068\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306e\u4e21\u65b9\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30b5\u30fc\u30d0\u30fc\u306fNode.js\u3092\u4f7f\u3063\u3066REST API\u7d4c\u7531\u3067\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3068\u7c21\u5358\u306b\u901a\u4fe1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002Node.js\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-express-js\/\">Express.js<\/a>\u3084Koa\u306e\u3088\u3046\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\u3082\u63d0\u4f9b\u3057\u3066\u304a\u308a\u3001\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u69cb\u7bc9\u304c\u3055\u3089\u306b\u6357\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n<h2>Node.js\u306f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306a\u306e\u304b<\/h2>\n<p>\u4e00\u8a00\u3067\u8a00\u3048\u3070\u3001<strong>\u9055\u3044\u307e\u3059<\/strong>\u3002<\/p>\n<p>Node.js\u306f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3080\u3057\u308d\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u5916\u3067JavaScript\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306e\u5b9f\u884c\u74b0\u5883\u3067\u3059\u3002<\/p>\n<p>Node.js\u306f\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\uff08\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u3059\u308b\u305f\u3081\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\uff09\u3067\u3082\u3042\u308a\u307e\u305b\u3093\u3002Node.js\u306e\u30e9\u30f3\u30bf\u30a4\u30e0\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\uff08\u3053\u306e\u5834\u5408\u306fJavaScript\uff09\u306e\u4e0a\u306b\u69cb\u7bc9\u3055\u308c\u3001\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u81ea\u4f53\u306e\u5b9f\u884c\u3092\u52a9\u3051\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>\u307e\u3068\u3081\u308b\u3068\u3001Node.js\u306f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u3082\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3082\u306a\u304f\u3001\u305d\u308c\u3089\u306e\u305f\u3081\u306e\u74b0\u5883\u3067\u3059\u3002<\/p>\n<h2>Node.js\u306f\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u304b\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u304b<\/h2>\n<p>\u958b\u767a\u8005\u306e\u9593\u3067\u3088\u304f\u3042\u308b\u8aa4\u89e3\u306f\u3001Node.js\u306f\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3042\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u3060\u3051\u306b\u4f7f\u308f\u308c\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002Node.js\u306f\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3067\u3082\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3067\u3082\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Node.js\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u304c\u67d4\u8edf\u3067\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u306a<a href=\"https:\/\/kinsta.com\/jp\/blog\/backend-developer\/\">\u30d0\u30c3\u30af\u30a8\u30f3\u30c9<\/a>\u3092\u69cb\u7bc9\u3059\u308b\u958b\u767a\u8005\u306b\u4eba\u6c17\u306e\u3042\u308b\u7406\u7531\u306e1\u3064\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u578b\u3067\u30ce\u30f3\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u3067\u3042\u308b\u3053\u3068\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u306e\u958b\u767a\u8005\u3067\u3042\u3063\u3066\u3082\u3001Node.js\u306e\u3053\u306e\u3088\u3046\u306a\u5229\u70b9\u3092\u306f\u3063\u304d\u308a\u3068\u5b9f\u611f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Node.js\u304c\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3068\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u306e\u4e21\u65b9\u3067\u6a5f\u80fd\u3059\u308b\u7406\u7531\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li><b>\u518d\u5229\u7528\u6027<\/b>\uff1aJavaScript\u306f\u3001Express.js\u3084Meteor.js\u306e\u3088\u3046\u306a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u52a9\u3051\u3092\u501f\u308a\u3066\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3068\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u306e\u4e21\u65b9\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<a href=\"https:\/\/www.mongodb.com\/mern-stack\">MERN<\/a>\u306e\u3088\u3046\u306a\u4eba\u6c17\u306e\u30b9\u30bf\u30c3\u30af\u3067\u306f\u3001Express.js\u3092\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\uff08Node.js\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\uff09\u3068\u3057\u3066\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3068\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306e\u9593\u3067\u8907\u6570\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u518d\u5229\u7528\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/li>\n<li><b>\u751f\u7523\u6027\u3068\u958b\u767a\u8005\u306e\u52b9\u7387<\/b>\uff1a\u8907\u6570\u8a00\u8a9e\u9593\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30b9\u30a4\u30c3\u30c1\u306e\u524a\u6e1b\u306b\u3088\u308a\u3001\u958b\u767a\u8005\u306e\u6642\u9593\u3092\u5927\u5e45\u306b\u7bc0\u7d04\u3067\u304d\u308b\u3002\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3068\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u306e\u4e21\u65b9\u3067JavaScript\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u591a\u304f\u306e\u30c4\u30fc\u30eb\u304c\u5171\u901a\u5316\u3055\u308c\u308b\u305f\u3081\u3001\u52b9\u7387\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/li>\n<li><b>\u5de8\u5927\u306a\u30b3\u30df\u30e5\u30cb\u30c6\u30a3<\/b>\uff1a\u958b\u767a\u30b5\u30a4\u30af\u30eb\u306e\u30b9\u30d4\u30fc\u30c9\u30a2\u30c3\u30d7\u306b\u306f\u3001\u6d3b\u767a\u306a\u30aa\u30f3\u30e9\u30a4\u30f3\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u304c\u6b20\u304b\u305b\u307e\u305b\u3093\u3002\u554f\u984c\u306b\u884c\u304d\u8a70\u307e\u3063\u305f\u3068\u304d\u3067\u3082\u3001\u8ab0\u304b\u304c\u3059\u3067\u306b\u89e3\u6c7a\u3057\u3001Stack Overflow\u3067\u89e3\u6c7a\u7b56\u3092\u5171\u6709\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3067\u3059\u3002Node.js\u3067\u306f\u3001\u305d\u306e\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3092\u5927\u3044\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n<h2>Node.js\u306e\u5229\u7528\u3092\u958b\u59cb\u3059\u308b<\/h2>\n<p>Node.js\u3092\u3069\u3053\u304b\u3089\u59cb\u3081\u308c\u3070\u3044\u3044\u306e\u304b\u3068\u5727\u5012\u3055\u308c\u3066\u3057\u307e\u3046\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u5e78\u3044\u306a\u3053\u3068\u306b\u3001Node.js\u306f\u7c21\u5358\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u8a66\u3057\u3066\u307f\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>Node.js\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5<\/h2>\n<p>\u3059\u3067\u306bNode.js\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u98db\u3070\u3057\u3066\u9032\u3093\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>macOS\u306e\u5834\u5408<\/h3>\n<p><strong>Mac\u3067Bash\u3092\u4f7f\u3046<br \/>\n<\/strong><\/p>\n<pre><code class=\"language-bash\">curl \"https:\/\/nodejs.org\/dist\/latest\/node-${VERSION:-$(wget -qO- https:\/\/nodejs.org\/dist\/latest\/ | sed -nE 's|.*&gt;node-(.*).pkg.*|1|p')}.pkg\" &gt; \"$HOME\/Downloads\/node-latest.pkg\" && sudo installer -store -pkg \"$HOME\/Downloads\/node-latest.pkg\" -target \"\/\"\n<\/code><\/pre>\n<p><strong>Mac\u3067Homebrew\u3092\u4f7f\u3046<br \/>\n<\/strong><\/p>\n<pre><code class=\"language-bash\">brew install node<\/code><\/pre>\n<h3>Windows\u306e\u5834\u5408<\/h3>\n<p><a href=\"https:\/\/nodejs.org\/\">nodejs.org<\/a>\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u304b\u3089\u76f4\u63a5<a href=\"https:\/\/nodejs.org\/en\/#home-downloadhead\">Windows\u30a4\u30f3\u30b9\u30c8\u30fc\u30e9<\/a>\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>Linux\u306e\u5834\u5408<\/h3>\n<p>Ubuntu 18.04+\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066Node\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-bash\">sudo apt update\nsudo apt install nodejs<\/code><\/pre>\n<h2>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308bNode.js\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u78ba\u8a8d<\/h2>\n<p>\u524d\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001Node\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306b\u6210\u529f\u3057\u307e\u3057\u305f\u3002\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u305f\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3001\u305d\u308c\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002\u30bf\u30fc\u30df\u30ca\u30eb\u3067\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-bash\">node -v<\/code><\/pre>\n<p>version\u3068\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3067\u3082\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-bash\">node --version<\/code><\/pre>\n<p>\u3053\u306e\u3088\u3046\u306a\u51fa\u529b\u304c\u8868\u793a\u3055\u308c\u308b\u306f\u305a\u3067\u3059\u3002\u30d0\u30fc\u30b8\u30e7\u30f3\u756a\u53f7\u306f\u7570\u306a\u308b\u304b\u3082\u3057\u308c\u3093\u3002<\/p>\n<pre><code>v14.16.0<\/code><code class=\"language-bash\"><\/code><\/pre>\n<h2>NPM\u3068\u306f<\/h2>\n<p><a href=\"https:\/\/www.npmjs.com\/\">NPM<\/a>\u306fNode.js\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u3002\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u3057\u3066\u306f\u4e16\u754c\u6700\u5927\u306e\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u3067\u3001100\u4e07\u3092\u8d85\u3048\u308b\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u3042\u308a\u3001\u305d\u306e\u6570\u306f\u4eca\u3082\u306a\u304a\u5897\u3048\u7d9a\u3051\u3066\u3044\u307e\u3059\u3002NPM\u306f\u7121\u6599\u3067\u4f7f\u7528\u3067\u304d\u3001\u4f55\u5343\u4eba\u3082\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u958b\u767a\u8005\u304c\u65e5\u3005\u8ca2\u732e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>NPM\u306b\u306f\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u304c\u4ed8\u5c5e\u3057\u3066\u3044\u307e\u3059\u3002<a href=\"https:\/\/www.npmjs.com\/search?q=keywords:packages\">NPM\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8<\/a>\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u5fc5\u8981\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u691c\u7d22\u3057\u3001\u30b3\u30de\u30f3\u30c9\u3072\u3068\u3064\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u3053\u306e\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u3092\u4f7f\u3063\u3066\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u7ba1\u7406\u3057\u305f\u308a\u3001\u4f9d\u5b58\u95a2\u4fc2\u3092\u78ba\u8a8d\u3057\u305f\u308a\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u30ab\u30b9\u30bf\u30e0\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002NPM\u306fNode.js\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306b\u6b20\u304b\u305b\u306a\u3044\u5b58\u5728\u3067\u3059\u3002Node.js\u304c\u591a\u304f\u306e\u958b\u767a\u8005\u3092\u60f9\u304d\u3064\u3051\u3066\u3044\u308b\u306e\u306f\u3001\u305d\u306e\u512a\u308c\u305f\u30d1\u30c3\u30b1\u30fc\u30b8\u30b5\u30dd\u30fc\u30c8\u306b\u3088\u308b\u3068\u3053\u308d\u304c\u5927\u304d\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<h3>CLI\u306b\u3088\u308bNPM\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h3>\n<p>Node.js\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3068\u3001NPM\u3082\u4e00\u7dd2\u306b\u81ea\u52d5\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u307e\u3059\u3002\u524d\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067Node.js\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u305f\u306e\u3067\u3001NPM\u3067\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u30b3\u30de\u30f3\u30c9\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre><code class=\"language-bash\">npm install &lt;package-name&gt;<\/code><\/pre>\n<p>\u3068\u3066\u3082\u7c21\u5358\u3067\u3059\u3002\u8907\u6570\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4e00\u5ea6\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-bash\">npm install &lt;pkg-1&gt; &lt;pkg-2&gt; &lt;pkg-3&gt;<\/code><\/pre>\n<p>\u30b0\u30ed\u30fc\u30d0\u30eb\u306a\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u3044\u5834\u5408\u306f\u3001<strong>-g<\/strong>\uff08global\uff09\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30de\u30b7\u30f3\u306e\u3042\u3089\u3086\u308b\u5834\u6240\u3067\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u521d\u671f\u5316\u3059\u308b\u3068\u3001NPM\u306f\u81ea\u52d5\u7684\u306b\u3059\u3079\u3066\u306eNPM\u30d1\u30c3\u30b1\u30fc\u30b8\u304b\u3089\u306a\u308b<b>package.json<\/b>\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u3001\u30d0\u30fc\u30b8\u30e7\u30f3\u3001\u4f9d\u5b58\u95a2\u4fc2\u3001\u30ab\u30b9\u30bf\u30e0\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>NPM\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u306b\u306f\u3001<code>publish<\/code>\u3001<code>audit<\/code>\u3001<code>run<\/code>\u306a\u3069\u3001\u3044\u304f\u3064\u3082\u306e\u30b3\u30de\u30f3\u30c9\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u4f7f\u3044\u65b9\u306f\u3001<code>npm help<\/code>\u30b3\u30de\u30f3\u30c9\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_93419\" aria-describedby=\"caption-attachment-93419\" style=\"width: 685px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-93419 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2021\/04\/node-and-npm-version.png\" alt=\"Node\u3068npm\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\" width=\"685\" height=\"547\"><figcaption id=\"caption-attachment-93419\" class=\"wp-caption-text\">Node\u3068npm\u306e\u30d0\u30fc\u30b8\u30e7\u30f3<\/figcaption><\/figure>\n<h3>\u4eba\u6c17\u306e\u3042\u308b\u30d1\u30c3\u30b1\u30fc\u30b8<\/h3>\n<p>\u73fe\u5728\u3001Node.js\u3067\u4eba\u6c17\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><b><a href=\"http:\/\/expressjs.com\">Express<\/a><\/b>\uff1aExpress.js\u307e\u305f\u306f\u5358\u306bExpress\u306f\u3001Node.js\u306e\u305f\u3081\u306eSinatra\u304b\u3089\u7740\u60f3\u3092\u5f97\u305f\u30a6\u30a7\u30d6\u958b\u767a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3042\u308a\u3001\u4e16\u306e\u4e2d\u306b\u51fa\u56de\u3063\u3066\u3044\u308bNode.js\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5927\u534a\u306e\u30c7\u30d5\u30a1\u30af\u30c8\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9\u3067\u3059\u3002<\/li>\n<li><a href=\"https:\/\/npmjs.org\/package\/mongodb\"><b>MongoDB<\/b><\/a>\uff1aMongoDB\u306e\u516c\u5f0f\u30c9\u30e9\u30a4\u30d0\u3067\u3059\u3002Node.js\u3067\u306eMongoDB\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306eAPI\u304c\u5229\u7528\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<li><a href=\"http:\/\/socket.io\"><b>Socket.io<\/b><\/a>\uff1a\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3001\u53cc\u65b9\u5411\u3001\u30a4\u30d9\u30f3\u30c8\u30d9\u30fc\u30b9\u306e\u901a\u4fe1\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/li>\n<li><a href=\"https:\/\/www.npmjs.com\/package\/lodash\"><b>Lodash<\/b><\/a>\uff1a\u914d\u5217\u3001\u6570\u5024\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3001\u6587\u5b57\u5217\u306a\u3069\u3092\u6271\u3046\u624b\u9593\u3092\u7701\u304d\u3001JavaScript\u306e\u6271\u3044\u3092\u7c21\u5358\u306b\u3057\u307e\u3059\u3002<\/li>\n<li><a href=\"https:\/\/www.npmjs.com\/package\/moment\"><b>Moment<\/b><\/a>\uff1a\u65e5\u4ed8\u306e\u89e3\u6790\u3001\u691c\u8a3c\u3001\u64cd\u4f5c\u3001\u66f8\u5f0f\u8a2d\u5b9a\u306e\u305f\u3081\u306eJavaScript\u65e5\u4ed8\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u3002<\/li>\n<li><a href=\"https:\/\/www.npmjs.com\/package\/commander\"><b>Commander.js<\/b><\/a>\uff1anode.js\u306e\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u4f5c\u696d\u3057\u305f\u308a\u30d3\u30eb\u30c9\u3057\u305f\u308a\u3059\u308b\u306e\u306b\u5fc5\u8981\u306a\u3082\u306e\u3059\u3079\u3066\u63c3\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><a href=\"https:\/\/npmjs.org\/package\/forever\"><b>Forever<\/b><\/a>\uff1a\u6307\u5b9a\u3057\u305f\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u7d99\u7d9a\u7684\u306b\uff08\u3064\u307e\u308a\u6c38\u9060\u306b\uff09\u5b9f\u884c\u3055\u308c\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306e\u30b7\u30f3\u30d7\u30eb\u306aCLI\u30c4\u30fc\u30eb\u3067\u3059\u3002\u4e88\u671f\u305b\u306c\u969c\u5bb3\u306b\u76f4\u9762\u3057\u3066\u3082\u3001Node.js\u30d7\u30ed\u30bb\u30b9\u3092\u7a3c\u50cd\u3055\u305b\u7d9a\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><a href=\"https:\/\/www.npmjs.com\/package\/async\"><b>Async<\/b><\/a>\uff1a\u975e\u540c\u671fJavaScript\u3092\u6271\u3046\u305f\u3081\u306e\u3001\u308f\u304b\u308a\u3084\u3059\u304f\u5f37\u529b\u306a\u95a2\u6570\u3092\u63d0\u4f9b\u3059\u308b\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u3059\u3002<\/li>\n<li><a href=\"https:\/\/github.com\/mranney\/node_redis\"><b>Redis<\/b><\/a>\uff1a<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/caching\/redis-cache\/\">Redis<\/a>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u7d71\u5408\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u3002<\/li>\n<li><a href=\"https:\/\/github.com\/mochajs\/mocha\"><b>Mocha<\/b><\/a>\uff1aNode.js\u3068\u30d6\u30e9\u30a6\u30b6\u7528\u306e\u30af\u30ea\u30fc\u30f3\u3067\u67d4\u8edf\u306aJavaScript\u30c6\u30b9\u30c8\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3059\u3002<\/li>\n<li><a href=\"https:\/\/github.com\/jaredhanson\/passport\"><b>Passport<\/b><\/a>\uff1aNode.js\u3067\u306e\u30b7\u30f3\u30d7\u30eb\u306a\u8a8d\u8a3c\u5b9f\u88c5\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002Passport\u306e\u552f\u4e00\u306e\u76ee\u7684\u306f\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u8a8d\u8a3c\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/li>\n<\/ul>\n<h2>Node.js\u306eHello World<\/h2>\n<p>\u57fa\u672c\u7684\u306a&#8221;Hello World&#8221;\u30d7\u30ed\u30b0\u30e9\u30e0\u304b\u3089\u59cb\u3081\u307e\u3057\u3087\u3046\u3002Node.js\u3067\u30b5\u30fc\u30d0\u30fc\u3092\u4f5c\u6210\u3057\u3001\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u5bfe\u3057\u3066&#8221;Hello World&#8221;\u306e\u51fa\u529b\u3092\u8fd4\u3059\u3088\u3046\u306b\u3057\u307e\u3059\u3002<a href=\"https:\/\/kinsta.com\/jp\/blog\/best-text-editors\/\">\u597d\u307f\u306e<\/a><a href=\"https:\/\/kinsta.com\/jp\/blog\/best-text-editors\/\">\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf<\/a>\u3092\u3054\u7528\u610f\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u3092\u958b\u3044\u305f\u3089\u3001\u305d\u3053\u306b&#8221;Hello World&#8221;\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u4f7f\u3046\u30b3\u30fc\u30c9\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-js\">\/\/ server.js\nconst http = require('http');\n\nconst hostname = '127.0.0.1';\nconst port = 3000;\n\nconst server = http.createServer((req, res) =&gt; {\n  res.statusCode = 200;\n  res.setHeader('Content-Type', 'text\/plain');\n  res.end('Hello World! Welcome to Node.js');\n});\n\nserver.listen(port, hostname, () =&gt; {\n  console.log(`Server running at http:\/\/${hostname}:${port}\/`);\n});\n<\/code><\/pre>\n<p>\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u3092`server.js`\u3068\u3044\u3046\u540d\u524d\u3067\u4fdd\u5b58\u3057\u307e\u3059\u3002\u6b21\u306b\u30bf\u30fc\u30df\u30ca\u30eb\u306b\u79fb\u52d5\u3057\u3001\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3063\u3066\u30b5\u30fc\u30d0\u30fc\u3092\u8d77\u52d5\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-js\">node server.js\n<\/code><\/pre>\n<p>\u3053\u308c\u3067\u30b5\u30fc\u30d0\u30fc\u304c\u8d77\u52d5\u3057\u307e\u3059\u3002\u51fa\u529b\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u3067http:\/\/localhost:3000\u3092\u958b\u3044\u3066\u304f\u3060\u3055\u3044\u3002\u6b21\u306e\u3088\u3046\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<pre><code class=\"language-js\">Hello World! Welcome to Node.js\n<\/code><\/pre>\n<h3>Hello World\u30b5\u30fc\u30d0\u30fc\u306e\u8aac\u660e<\/h3>\n<p>Node.js\u306b\u306f&#8221;HTTP&#8221;\u3068\u547c\u3070\u308c\u308b\u7d44\u307f\u8fbc\u307f\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u3042\u308a\u3001Node.js\u304c<a href=\"https:\/\/kinsta.com\/blog\/wordpress-http-api-part-1\/#what-is-http\">HTTP\uff08HyperText Transfer Protocol)<\/a>\u3067\u30c7\u30fc\u30bf\u3092\u8ee2\u9001\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4e0a\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u307e\u305a<b>http<\/b>\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002\u6b21\u306b\u3001<b>createServer<\/b>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u53d7\u3051\u4ed8\u3051\u3001\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u4ed8\u304d\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u8fd4\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u6307\u5b9a\u306e\u30dd\u30fc\u30c8\u3067\u30ea\u30c3\u30b9\u30f3\u3057\u307e\u3059\u3002<\/p>\n<p>Node.js\u3067\u6700\u521d\u306e\u30b5\u30fc\u30d0\u30fc\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001Express\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u4f7f\u3063\u3066\u30b5\u30fc\u30d0\u30fc\u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h2>Express\u3092\u4f7f\u3063\u305f\u30b5\u30fc\u30d0\u30fc\u306e\u4f5c\u6210<\/h2>\n<p>\u307e\u305a\u3001\u30b5\u30fc\u30d0\u30fc\u3068\u306f\u4f55\u304b\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u305d\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\uff08\u6700\u3082\u4e00\u822c\u7684\u306a\u306e\u306f<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-apache\/\">Apache<\/a>\u307e\u305f\u306f<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-nginx\/\">Nginx<\/a>\uff09\u3092\u901a\u3057\u3066\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u53d7\u3051\u53d6\u308a\u3001\u5fc5\u8981\u306a\u4e00\u9023\u306e\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3057\u3001\u6700\u5f8c\u306b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u5fdc\u7b54\u3092\u8fd4\u3059\u5f79\u5272\u3092\u62c5\u3044\u307e\u3059\u3002Express\u306f\u3001Node\u3067\u30b5\u30fc\u30d0\u30fc\u3092\u4f5c\u6210\u3059\u308b\u306e\u306b\u4fbf\u5229\u306a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3059\u3002<\/p>\n<p>Express.js\u306f\u6700\u5c0f\u9650\u306e\u8a2d\u5b9a\u3067\u4f7f\u3046\u3053\u3068\u306e\u3067\u304d\u308b\u67d4\u8edf\u306aNode.js\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3001\u30a6\u30a7\u30d6\u3001\u30e2\u30d0\u30a4\u30eb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u6a5f\u80fd\u304c\u8c4a\u5bcc\u306b\u5229\u7528\u3067\u304d\u307e\u3059\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u30eb\u30fc\u30c8\u30c6\u30fc\u30d6\u30eb\u3092\u8ffd\u52a0\u3057\u305f\u308a\u3001\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u3092\u8a2d\u5b9a\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067<a href=\"https:\/\/kinsta.com\/jp\/blog\/install-express\/\">Express\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/a>\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-bash\">npm install express --save<\/code><\/pre>\n<p>\u524d\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u5185\u8535\u306e<b>http<\/b>\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u3092\u4f7f\u3063\u3066\u30b5\u30fc\u30d0\u30fc\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002\u305d\u308c\u3067\u306f\u3001Express.js\u3092\u4f7f\u3063\u3066&#8221;Hello World&#8221;\u30b5\u30fc\u30d0\u30fc\u3092\u4f5c\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u3092\u958b\u304d\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u8a18\u8ff0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre><code class=\"language-js\">\n\/\/ server-express.js\nconst express = require('express')\nconst app = express() \/\/ \u30a2\u30d7\u30ea\u306e\u521d\u671f\u5316\nconst port = 3000\n\n\/\/ GET\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u304c\u30ec\u30b9\u30dd\u30f3\u30b9\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8fd4\u3059\napp.get('\/', (req, res) =&gt; {\nres.send('Hello World! Welcome to Node.js')\n})\n\napp.listen(port, () =&gt; {\nconsole.log(`Server listening at http:\/\/localhost:${port}`)\n})\n<\/code><\/pre>\n<p>\u6b21\u306b\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067\u30b5\u30fc\u30d0\u30fc\u3092\u5b9f\u884c\u3057\u3042m\u3059\u3002<\/p>\n<pre><code class=\"language-bash\">node server-express.js\n<\/code><\/pre>\n<p>\u30d6\u30e9\u30a6\u30b6\u3067http:\/\/localhost:3000\u3092\u958b\u3044\u3066\u3001&#8221;Hello World&#8221;\u306e\u51fa\u529b\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u4e00\u8a00\u3067\u8a00\u3048\u3070\u3001Node.js\u306f\u3001\u8907\u6570\u306e\u540c\u6642\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5927\u898f\u6a21\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u69cb\u7bc9\u306b\u4f7f\u7528\u3067\u304d\u308b\u3001\u4eba\u6c17\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u74b0\u5883\u3067\u3059\u3002\u30b7\u30f3\u30b0\u30eb\u30b9\u30ec\u30c3\u30c9\u3001\u30ce\u30f3\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0I\/O\u306a\u306e\u3067\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3082\u30c7\u30fc\u30bf\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3082\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001Node.js\u306e\u958b\u767a\u8005\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306f\u5927\u898f\u6a21\u3067\u3001\u4e16\u754c\u6700\u5927\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30d1\u30c3\u30b1\u30fc\u30b8\u30ea\u30dd\u30b8\u30c8\u30ea\u3067\u3042\u308bNPM\u306b\u306f\u3001\u73fe\u5728100\u4e07\u4ee5\u4e0a\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u767b\u9332\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Node.js\u306f\u7c21\u5358\u306b\u4f7f\u3044\u59cb\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4eca\u56de\u306fNode.js\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068\u30b5\u30fc\u30d0\u30fc\u306e\u4f5c\u6210\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3054\u8aac\u660e\u3057\u307e\u3057\u305f\u3002\u3042\u3068\u306f\u3054\u81ea\u8eab\u306e\u30b9\u30bf\u30c3\u30af\u3067Node.js\u3092\u3069\u306e\u3088\u3046\u306b\u4f7f\u7528\u3057\u3001\u5b9f\u88c5\u3059\u308b\u304b\u3092\u8003\u3048\u308b\u3060\u3051\u3067\u3059\u3002<a href=\"https:\/\/nodejs.org\/en\/docs\">nodejs.dev<\/a>\u306b\u3042\u308bNode.js\u306e\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u77e5\u8b58\u3092\u6df1\u3081\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<kinsta-video src=\"https:\/\/www.youtube.com\/watch?v=vmNem6wxfSQ\"><\/kinsta-video>\n","protected":false},"excerpt":{"rendered":"<p>JavaScript\u306f\u3001\u4e16\u754c\u3067\u6700\u3082\u4eba\u6c17\u306e\u3042\u308b\u30d7\u30ed\u30b0\u30e9 &#8230;<\/p>\n","protected":false},"author":166,"featured_media":55744,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kinsta_gated_content":false,"_kinsta_gated_content_redirect":"","footnotes":""},"tags":[],"topic":[777,792],"class_list":["post-55743","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","topic-javascript-frameworks","topic-node-js"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.6 (Yoast SEO v24.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Node.js\u3068\u306f\u4f55\u304b\uff08\u3069\u3093\u306a\u9762\u3067\u512a\u308c\u3066\u3044\u308b\u306e\u304b\uff09<\/title>\n<meta name=\"description\" content=\"Node.js\u306f\u62e1\u5f35\u6027\u306e\u9ad8\u3044\u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u578b\u306eJavaScript\u5b9f\u884c\u74b0\u5883\u3067\u3059\u3002\u3053\u3061\u3089\u306e\u8a18\u4e8b\u3067\u306f\u3001Node.js\u306b\u3064\u3044\u3066\u3001\u305d\u306e\u69cb\u9020\u3084\u4f7f\u7528\u65b9\u6cd5\u306a\u3069\u3092\u8a73\u3057\u304f\u3054\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-node-js\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Node.js\u3068\u306f\" \/>\n<meta property=\"og:description\" content=\"Node.js\u306f\u62e1\u5f35\u6027\u306e\u9ad8\u3044\u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u578b\u306eJavaScript\u5b9f\u884c\u74b0\u5883\u3067\u3059\u3002\u3053\u3061\u3089\u306e\u8a18\u4e8b\u3067\u306f\u3001Node.js\u306b\u3064\u3044\u3066\u3001\u305d\u306e\u69cb\u9020\u3084\u4f7f\u7528\u65b9\u6cd5\u306a\u3069\u3092\u8a73\u3057\u304f\u3054\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kinsta.com\/jp\/blog\/what-is-node-js\/\" \/>\n<meta property=\"og:site_name\" content=\"Kinsta\u00ae\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Kinsta-Japan-334616080691171\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-11T09:45:57+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-01T19:44:55+00:00\" \/>\n<meta property=\"og:image\" 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