{"id":24383,"date":"2017-06-04T17:52:12","date_gmt":"2017-06-04T08:52:12","guid":{"rendered":"http:\/\/www.sejuku.net\/blog\/?p=24383"},"modified":"2024-05-06T11:42:50","modified_gmt":"2024-05-06T02:42:50","slug":"%e3%80%90javascript%e5%85%a5%e9%96%80%e3%80%91new%e6%bc%94%e7%ae%97%e5%ad%90%e3%82%92%e3%83%9e%e3%82%b9%e3%82%bf%e3%83%bc%e3%81%99%e3%82%8b%e3%82%b3%e3%83%84%e3%81%ae%e3%81%be%e3%81%a8%e3%82%81","status":"publish","type":"post","link":"https:\/\/www.sejuku.net\/blog\/24383","title":{"rendered":"\u3010JavaScript\u5165\u9580\u3011new\u6f14\u7b97\u5b50\u306e\u4f7f\u3044\u65b9\u3068\u751f\u6210\u65b9\u6cd5\u307e\u3068\u3081\uff01"},"content":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3001\u30e9\u30a4\u30bf\u30fc\u306e\u30de\u30b5\u30c8\u3067\u3059\uff01<\/p>\n<p>\u4eca\u56de\u306f\u3001\u65b0\u898f\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3059\u308b\u969b\u306b\u4f7f\u3046\u6f14\u7b97\u5b50\u300cnew\u300d\u306b\u3064\u3044\u3066\u5b66\u7fd2\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001<br \/>\n<div class=\"box01\"><\/p>\n<ul>\n<li><b>\u300cnew\u300d\u3068\u306f\uff1f<\/b><\/li>\n<li><b>new\u306e\u4f7f\u3044\u65b9<\/b><\/li>\n<\/ul>\n<\/div>\n<p>\u3068\u3044\u3046\u57fa\u672c\u7684\u306a\u5185\u5bb9\u304b\u3089\u3001<br \/>\n<div class=\"box01\"><\/p>\n<ul>\n<li><b>new\u306e\u5b9f\u8df5\u4f8b<\/b><\/li>\n<li><b>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u4f5c\u308a\u65b9<\/b><\/li>\n<li><b>new\u6f14\u7b97\u5b50\u306e\u6ce8\u610f\u70b9<\/b><\/li>\n<\/ul>\n<\/div>\n<p>\u306a\u3069\u306e\u5fdc\u7528\u7684\u306a\u4f7f\u3044\u65b9\u306b\u95a2\u3057\u3066\u3082\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u3001new\u6f14\u7b97\u5b50\u306b\u3064\u3044\u3066\u697d\u3057\u304f\u5b66\u7fd2\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n<h2>\u300cnew\u300d\u3068\u306f\uff1f<\/h2>\n<p>\u307e\u305a\u6700\u521d\u306b\u3001\u307f\u306a\u3055\u3093\u306fJavaScript\u3067\u300cnew\u300d\u3092\u3069\u3093\u306a\u6642\u306b\u4f7f\u3046\u304b\u3054\u5b58\u77e5\u3067\u3057\u3087\u3046\u304b\uff1f\u7c21\u5358\u306b\u8a00\u3063\u3066\u3057\u307e\u3048\u3070<b>\u300c\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3059\u308b\u6642\u300d<\/b>\u306bnew\u6f14\u7b97\u5b50\u306f\u4f7f\u308f\u308c\u308b\u2026\u3001\u3068\u3044\u3046\u3053\u3068\u306a\u306e\u3067\u3059\u304c\u3001\u305d\u3082\u305d\u3082\u300c\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u300d\u3068\u306f\u4f55\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>JavaScript\u306b\u9650\u3089\u305a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u3001\u3042\u3089\u304b\u3058\u3081\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u300c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u300d\u3092\u305d\u306e\u307e\u307e\u6271\u3046\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u76ee\u7684\u304c\u9055\u3046\u300cA\u300d\u300cB\u300d\u3068\u3044\u30462\u3064\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u3042\u3063\u305f\u3068\u3057\u307e\u3059\u3002\u4e21\u65b9\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u307e\u3063\u305f\u304f\u540c\u3058\u300c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u300d\u306b\u5bfe\u3057\u3066\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u66f8\u304d\u3057\u3066\u3057\u307e\u3046\u3068\u304a\u4e92\u3044\u306b\u5e72\u6e09\u3057\u3066\u3057\u307e\u3063\u3066\u6b63\u3057\u304f\u52d5\u4f5c\u3057\u307e\u305b\u3093\uff01<br \/>\n<img decoding=\"async\" class=\"alignnone size-full wp-image-44838\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2018\/02\/javascript-new-img1.jpg\" alt=\"javascript-new-img1\" width=\"600\" height=\"300\" srcset=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2018\/02\/javascript-new-img1.jpg 600w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2018\/02\/javascript-new-img1-150x75.jpg 150w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2018\/02\/javascript-new-img1-300x150.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u3053\u306e\u3088\u3046\u306a\u5834\u5408\u3001\u901a\u5e38\u306f\u300c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u300d\u306e\u672c\u4f53\u304b\u3089\u30b3\u30d4\u30fc\u3057\u305f\u3082\u306e\u3092\u5229\u7528\u3059\u308b\u306e\u3067\u3059\uff01<br \/>\n<img decoding=\"async\" class=\"alignnone size-full wp-image-44839\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2018\/02\/javascript-new-img2.jpg\" alt=\"javascript-new-img2\" width=\"600\" height=\"300\" srcset=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2018\/02\/javascript-new-img2.jpg 600w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2018\/02\/javascript-new-img2-150x75.jpg 150w, https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2018\/02\/javascript-new-img2-300x150.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><br \/>\n\u3053\u3046\u3059\u308c\u3070\u3001\u4e21\u65b9\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u5e72\u6e09\u3059\u308b\u3053\u3068\u306f\u7121\u304f\u306a\u308a\u307e\u3059\u3088\u306d\uff1f<\/p>\n<p>\u3053\u306e<b>\u300c\u30b3\u30d4\u30fc\u3092\u3059\u308b\u300d\u3068\u3044\u3046\u884c\u70ba\u304c\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316<\/b>\u3067\u3042\u308a\u3001\u30b3\u30d4\u30fc\u3055\u308c\u305f\u300c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u300d\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3068\u547c\u3076\u308f\u3051\u3067\u3059\u3002JavaScript\u3067\u306f\u3001\u3053\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3059\u308b\u5f79\u5272\u3092\u62c5\u3063\u3066\u3044\u308b\u306e\u304c\u300cnew\u6f14\u7b97\u5b50\u300d\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\uff01<\/p>\n<h2>new\u306e\u4f7f\u3044\u65b9<\/h2>\n<p>\u3053\u3053\u304b\u3089\u306f\u3001\u5b9f\u969b\u306b\u300cnew\u300d\u3092\u4f7f\u3063\u305f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u624b\u6cd5\u306b\u3064\u3044\u3066\u5b66\u3093\u3067\u3044\u304d\u307e\u3057\u3087\u3046\uff01JavaScript\u306e\u6a19\u6e96\u3067\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304b\u3089\u3001\u3088\u304f\u4f7f\u308f\u308c\u308b\u3082\u306e\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h3>\u7d44\u307f\u8fbc\u307f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u7a2e\u985e\u306b\u3064\u3044\u3066<\/h3>\n<p>\u307e\u305a\u306f\u3001\u6a19\u6e96\u3067\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308bJavaScript\u306e\u7d44\u307f\u8fbc\u307f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u3064\u3044\u3066\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff01\u4e00\u822c\u7684\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\n<table id=\"tablepress-58\" class=\"tablepress tablepress-id-58\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<\/th><th class=\"column-2\">\u5185\u5bb9<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">Array<\/td><td class=\"column-2\">\u914d\u5217\u3092\u6271\u3046\u305f\u3081\u306e\u6a5f\u80fd\u3092\u63d0\u4f9b\u3059\u308b<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">String<\/td><td class=\"column-2\">\u6587\u5b57\u5217\u3092\u6271\u3046\u305f\u3081\u306e\u6a5f\u80fd\u3092\u63d0\u4f9b\u3059\u308b<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">Boolean<\/td><td class=\"column-2\">\u771f\u507d\u5024\u3092\u6271\u3046\u305f\u3081\u306e\u6a5f\u80fd\u3092\u63d0\u4f9b\u3059\u308b<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">Number<\/td><td class=\"column-2\">\u6570\u5024\u3092\u6271\u3046\u305f\u3081\u306e\u6a5f\u80fd\u3092\u63d0\u4f9b\u3059\u308b<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">Function<\/td><td class=\"column-2\">\u95a2\u6570\u3092\u6271\u3046\u305f\u3081\u306e\u6a5f\u80fd\u3092\u63d0\u4f9b\u3059\u308b<\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">Date<\/td><td class=\"column-2\">\u65e5\u4ed8\u3092\u6271\u3046\u305f\u3081\u306e\u6a5f\u80fd\u3092\u63d0\u4f9b\u3059\u308b<\/td>\n<\/tr>\n<tr class=\"row-8\">\n\t<td class=\"column-1\">RegExp<\/td><td class=\"column-2\">\u6b63\u898f\u8868\u73fe\u3092\u6271\u3046\u305f\u3081\u306e\u6a5f\u80fd\u3092\u63d0\u4f9b\u3059\u308b<\/td>\n<\/tr>\n<tr class=\"row-9\">\n\t<td class=\"column-1\">Object<\/td><td class=\"column-2\">\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6271\u3046\u305f\u3081\u306e\u6a5f\u80fd\u3092\u63d0\u4f9b\u3059\u308b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-58 from cache --><\/p>\n<p>\u914d\u5217\u3084\u65e5\u4ed8\u306a\u3069\u3001\u3044\u305a\u308c\u3082\u300cnew\u300d\u3092\u4f7f\u3046\u3053\u3068\u3067\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3057\u3066\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u308f\u3051\u3067\u3059\u3002\u305d\u3057\u3066\u3001\u305d\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067JavaScript\u306f\u3055\u307e\u3056\u307e\u306a\u8868\u73fe\u3084\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u7d44\u307f\u7acb\u3066\u308b\u3053\u3068\u304c\u51fa\u6765\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u300cnew date\u300d\u3067\u65e5\u4ed8\u3092\u751f\u6210\u3059\u308b\u65b9\u6cd5<\/h3>\n<p>\u8a66\u3057\u306b\u300cDate\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u300d\u3092\u4f7f\u3063\u3066\u300cnew\u300d\u6f14\u7b97\u5b50\u306e\u4f7f\u3044\u65b9\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01\u4e00\u822c\u7684\u306a\u4f7f\u3044\u65b9\u3068\u3057\u3066\u306f\u3001\u3010 new \u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u3011\u306e\u3088\u3046\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u524d\u306bnew\u3092\u8a18\u8ff0\u3059\u308b\u3060\u3051\u3067OK\u3067\u3059\u3002<\/p>\n<p>\u6b21\u306e\u30b5\u30f3\u30d7\u30eb\u4f8b\u3092\u898b\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n<pre class=\"lang:js decode:true \">var today = new Date();<\/pre>\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u300cnew Date()\u300d\u3068\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3067Date\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\uff08\u30b3\u30d4\u30fc\uff09\u3092\u4f5c\u6210\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u3057\u3066\u3001\u305d\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u5909\u6570\u300ctoday\u300d\u306b\u4ee3\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u305d\u308c\u4ee5\u964d\u306f\u300ctoday\u300d\u304c<b>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3068\u3057\u3066\u306e\u5f79\u5272\u3092\u6301\u3064<\/b>\u308f\u3051\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001Date\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u6a19\u6e96\u3067\u63d0\u4f9b\u3057\u3066\u3044\u308b\u3044\u304f\u3064\u304b\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5229\u7528\u3067\u304d\u307e\u3059\uff01<\/p>\n<pre class=\"lang:js decode:true \">var today = new Date();\r\n\r\nvar year = today.getFullYear();\r\nvar day = today.getDate();\r\nvar time = today.getHours();\r\n\r\nconsole.log( '\u4eca\u65e5\u306e\u897f\u66a6\uff1a' + year );\r\nconsole.log( '\u4eca\u65e5\u306f' + day+ '\u65e5\u3067\u3059' );\r\nconsole.log( '\u4eca\u306f' + time + '\u6642\u3067\u3059');<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">\u4eca\u65e5\u306e\u897f\u66a6\uff1a2018\r\n\u4eca\u65e5\u306f23\u65e5\u3067\u3059\r\n\u4eca\u306f16\u6642\u3067\u3059<\/pre>\n<p>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u300ctoday\u300d\u306b\u7d9a\u3051\u3066\u300ctoday.getFullYear()\u300d\u3068\u8a18\u8ff0\u3059\u308c\u3070\u897f\u66a6\u3092\u53d6\u5f97\u3067\u304d\u308b\u30e1\u30bd\u30c3\u30c9\u304c\u5229\u7528\u3067\u304d\u308b\u308f\u3051\u3067\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u3001\u300cnew\u300d\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30b3\u30d4\u30fc\u3059\u308b\u5f79\u5272\u304c\u3042\u308a\u3001\u4e00\u822c\u7684\u306b\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3059\u308b\u3068\u3044\u3046\u8868\u73fe\u3067\u3088\u304f\u8a00\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3061\u306a\u307f\u306b\u3001Date\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u3055\u307e\u3056\u307e\u306a\u30e1\u30bd\u30c3\u30c9\u3092\u6d3b\u7528\u3059\u308b\u65b9\u6cd5\u306f\u6b21\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u307e\u3068\u3081\u3066\u3044\u308b\u306e\u3067\u305c\u3072\u53c2\u8003\u306b\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n            <a href=\"https:\/\/www.sejuku.net\/blog\/30171\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2018\/06\/javascript_thumb-150x86.png\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u65e5\u4ed8\u51e6\u7406\u3092\u4f7f\u3044\u5012\u3059! JavaScript\u306eDate\u6d3b\u7528\u6cd5\u3092\u5fb9\u5e95\u89e3\u8aac<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n<h3>\u300cnew array\u300d\u3067\u914d\u5217\u3092\u751f\u6210\u3059\u308b\u65b9\u6cd5<\/h3>\n<p>\u4eca\u5ea6\u306f\u300cArray\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u300d\u3092\u4f7f\u3063\u305f\u300cnew\u300d\u6f14\u7b97\u5b50\u306e\u4f7f\u3044\u65b9\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\uff01\u300cArray\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u300d\u3063\u3066\u805e\u304f\u3068\u96e3\u3057\u3044\u30a4\u30e1\u30fc\u30b8\u304c\u3059\u308b\u306e\u3067\u3059\u304c\u3001\u3053\u308c\u306f\u5358\u7d14\u306b\u300c\u914d\u5217\u300d\u306e\u3053\u3068\u3060\u3068\u8003\u3048\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u3064\u307e\u308a\u3001\u914d\u5217\u30c7\u30fc\u30bf\u3092\u4f5c\u6210\u3057\u305f\u3044\u6642\u306b\u5229\u7528\u3067\u304d\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306a\u308a\u307e\u3059\u3002\u6b21\u306e\u30b5\u30f3\u30d7\u30eb\u4f8b\u3092\u898b\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n<pre class=\"lang:js decode:true \">var arr = new Array('\u30a4\u30c1\u30b4', '\u30e1\u30ed\u30f3', '\u30d0\u30ca\u30ca', '\u30b9\u30a4\u30ab');<\/pre>\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001Array\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5f15\u6570\u306b\u914d\u5217\u3078\u683c\u7d0d\u3057\u305f\u3044\u6587\u5b57\u5217\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001<b>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3068\u540c\u6642\u306b\u914d\u5217\u30c7\u30fc\u30bf\u3092\u4f5c\u6210<\/b>\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u3059\u306d\u3002<\/p>\n<p>\u3082\u3061\u308d\u3093\u30e1\u30bd\u30c3\u30c9\u3082\u5229\u7528\u53ef\u80fd\u3067\u3001\u4f8b\u3048\u3070\u4e26\u3073\u66ff\u3048\u304c\u3067\u304d\u308b\u300csort()\u300d\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3046\u3068\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"lang:js decode:true \">var arr = new Array('\u30a4\u30c1\u30b4', '\u30e1\u30ed\u30f3', '\u30d0\u30ca\u30ca', '\u30b9\u30a4\u30ab');\r\n\r\narr.sort(); \/\/\u3042\u3044\u3046\u3048\u304a\u9806\u306b\u4e26\u3073\u66ff\u3048\r\n\r\nconsole.log( arr );<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">\u30a4\u30c1\u30b4,\u30b9\u30a4\u30ab,\u30d0\u30ca\u30ca,\u30e1\u30ed\u30f3<\/pre>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001\u300csort()\u300d\u3092\u5b9f\u884c\u3059\u308b\u3060\u3051\u3067\u914d\u5217\u306b\u683c\u7d0d\u3055\u308c\u3066\u3044\u305f\u6587\u5b57\u5217\u304c\u300c\u3042\u3044\u3046\u3048\u304a\u9806\u300d\u306b\u4e26\u3073\u66ff\u3048\u3089\u308c\u308b\u308f\u3051\u3067\u3059\u3002\u305d\u306e\u4ed6\u3001Array\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u6301\u3063\u3066\u3044\u308b\u591a\u5f69\u306a\u30e1\u30bd\u30c3\u30c9\u3084\u305d\u306e\u6d3b\u7528\u6280\u306b\u3064\u3044\u3066\u306f\u6b21\u306e\u8a18\u4e8b\u3067\u307e\u3068\u3081\u3066\u3044\u308b\u306e\u3067\u53c2\u8003\u306b\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n            <a href=\"https:\/\/www.sejuku.net\/blog\/31746\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2018\/07\/js_eye-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010JavaScript\u5165\u9580\u3011\u914d\u5217\u306e\u4f7f\u3044\u65b9\u3068\u64cd\u4f5c\u307e\u3068\u3081\uff08\u521d\u671f\u5316\u30fb\u8ffd\u52a0\u30fb\u7d50\u5408\u30fb\u691c\u7d22\u30fb\u524a\u9664\uff09<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n<h2>new\u306e\u5b9f\u8df5\u4f8b<\/h2>\n<p>\u3053\u3053\u304b\u3089\u306f\u3001\u305d\u306e\u4ed6\u306e\u7d44\u307f\u8fbc\u307f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u3088\u308b\u300cnew\u300d\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u5b66\u3093\u3067\u3044\u304d\u307e\u3057\u3087\u3046\uff01\u4e3b\u306b\u300c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u300d\u300c\u95a2\u6570\u300d\u300c\u753b\u50cf\u300d\u306b\u3064\u3044\u3066\u3001\u305d\u308c\u305e\u308c\u306e\u30d1\u30bf\u30fc\u30f3\u3067\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<h3>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff08Object\uff09\u3092\u751f\u6210\u3057\u3066\u5229\u7528\u3059\u308b\u65b9\u6cd5<\/h3>\n<p>\u307e\u305a\u306f\u300c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff08Object\uff09\u300d\u3092new\u3067\u751f\u6210\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff01\u4e00\u822c\u7684\u306a\u8a18\u8ff0\u65b9\u6cd5\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<pre class=\"lang:js decode:true \">var myObj = new Object();<\/pre>\n<p>\u3053\u306e\u4f8b\u3067\u306f\u300c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff08Object\uff09\u300d\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3057\u3066\u5909\u6570\u300cmyObj\u300d\u306b\u4ee3\u5165\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u8a00\u3046\u300c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff08Object\uff09\u300d\u3068\u3044\u3046\u306e\u306f\u3001\u3053\u308c\u307e\u3067\u51fa\u3066\u304d\u305fDate\u3084Array\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d9\u30fc\u30b9\u306b\u306a\u308b\u3082\u306e\u3068\u8003\u3048\u308b\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u3064\u307e\u308a\u3001\u4f55\u3082\u30c7\u30fc\u30bf\u304c\u5165\u3063\u3066\u3044\u306a\u3044<b>\u300c\u7a7a\u3063\u307d\u300d\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210<\/b>\u3057\u305f\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u307e\u305f\u3001\u3084\u308d\u3046\u3068\u601d\u3048\u3070\u81ea\u5206\u3067Date\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306a\u3069\u3068\u540c\u3058\u3082\u306e\u304c\u4f5c\u308c\u308b\u53ef\u80fd\u6027\u3082\u79d8\u3081\u3066\u3044\u308b\u3068\u8a00\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u4f5c\u6210\u3057\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3001\u300c\u30d7\u30ed\u30d1\u30c6\u30a3\u300d\u306b\u300c\u5024\u300d\u3092\u4ee3\u5165\u3059\u308b\u3053\u3068\u3067\u30c7\u30fc\u30bf\u3092\u8ffd\u52a0\u3057\u3066\u3044\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30b5\u30f3\u30d7\u30eb\u4f8b\u3092\u898b\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n<pre class=\"lang:js decode:true \">myObj.name = '\u592a\u90ce';\r\nmyObj.age = 30;\r\n\r\nconsole.log( myObj );<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">{\"name\":\"\u592a\u90ce\",\"age\":30}<\/pre>\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u300cmyObj.name = &#8216;\u592a\u90ce&#8217;\u300d\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3067\u300cname\u300d\u3068\u3044\u3046\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u300c\u592a\u90ce\u300d\u3068\u3044\u3046\u5024\u3092\u4ee3\u5165\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u300cmyObj\u300d\u306b\u3069\u3093\u3069\u3093\u30c7\u30fc\u30bf\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u304d\u5b9f\u884c\u7d50\u679c\u306e\u3088\u3046\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u4f5c\u3089\u308c\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\n<h3>\u95a2\u6570\uff08Function\uff09\u3092\u751f\u6210\u3057\u3066\u5229\u7528\u3059\u308b\u65b9\u6cd5<\/h3>\n<p>\u4eca\u5ea6\u306f\u300cFunction\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u300d\u3092new\u3067\u751f\u6210\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff01<\/p>\n<p>\u300cFunction\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u300d\u306f\u3001\u4e00\u822c\u7684\u306a\u95a2\u6570\u3092\u4f5c\u308b\u3088\u3046\u306a\u30a4\u30e1\u30fc\u30b8\u3067\u8003\u3048\u308b\u3068\u5206\u304b\u308a\u3084\u3059\u3044\u3067\u3059\u3002\u8a18\u8ff0\u65b9\u6cd5\u3068\u3057\u3066\u306f\u3001\u3010new Function( \u51e6\u7406\u306e\u5185\u5bb9 )\u3011\u306e\u3088\u3046\u306b\u5f15\u6570\u3078\u5b9f\u884c\u3057\u305f\u3044\u51e6\u7406\u3092\u6587\u5b57\u5217\u3067\u8a18\u8ff0\u3057\u307e\u3059\u3002\u6b21\u306e\u30b5\u30f3\u30d7\u30eb\u4f8b\u3092\u898b\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n<pre class=\"lang:js decode:true\">var myFunc = new Function('console.log(\"Hello\")');\r\n\r\nmyFunc();<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">Hello<\/pre>\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001Function\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5f15\u6570\u306b\u30b3\u30f3\u30bd\u30fc\u30eb\u30ed\u30b0\u306e\u51fa\u529b\u3092\u8a18\u8ff0\u3057\u3066\u3044\u307e\u3059\u3088\u306d\uff1f\u305d\u306e\u305f\u3081\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u300cmyFunc()\u300d\u3068\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3067\u51e6\u7406\u304c\u5b9f\u884c\u3055\u308c\u3066\u30b3\u30f3\u30bd\u30fc\u30eb\u30ed\u30b0\u306b\u300cHello\u300d\u3068\u51fa\u529b\u3055\u308c\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u4eee\u5f15\u6570\u306e\u8a2d\u5b9a\u3082\u6b21\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"lang:js decode:true \">var myFunc = new Function('name', 'console.log(\"\u3053\u3093\u306b\u3061\u306f\u3001\" + name)');\r\n\r\nmyFunc('\u592a\u90ce');<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">\u3053\u3093\u306b\u3061\u306f\u3001\u592a\u90ce<\/pre>\n<p>Function\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u7b2c1\u5f15\u6570\u306b\u4eee\u5f15\u6570\u300cname\u300d\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u5b9f\u884c\u3059\u308b\u969b\u306b\u300c\u592a\u90ce\u300d\u3068\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001Function\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u6d3b\u7528\u65b9\u6cd5\u3084new\u3092\u4f7f\u308f\u306a\u3044\u624b\u6cd5\u306b\u3064\u3044\u3066\u6b21\u306e\u8a18\u4e8b\u3067\u307e\u3068\u3081\u3066\u3044\u308b\u306e\u3067\u305c\u3072\u53c2\u8003\u306b\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n            <a href=\"https:\/\/www.sejuku.net\/blog\/31671\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2018\/08\/javascript-tutorial-top-150x86.png\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010JavaScript\u5165\u9580\u3011function(\u95a2\u6570)\u306e\u4f7f\u3044\u65b9\u3001\u547c\u3073\u51fa\u3057\u30fb\u623b\u308a\u5024\u306a\u3069\u7dcf\u307e\u3068\u3081\uff01<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2025\u5e7412\u670829\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n<h3>\u753b\u50cf\uff08Image\uff09\u3092\u751f\u6210\u3057\u3066\u5229\u7528\u3059\u308b\u65b9\u6cd5<\/h3>\n<p>\u6700\u5f8c\u306b\u300cImage\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u300d\u3092new\u3067\u751f\u6210\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff01\u300cImage\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u300d\u306f\u3001\u753b\u50cf\u3092\u8868\u793a\u30fb\u64cd\u4f5c\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u3067\u4e00\u822c\u7684\u306a\u300cimg\u30bf\u30b0\u300d\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306e\u30b5\u30f3\u30d7\u30eb\u4f8b\u3092\u898b\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n<pre class=\"lang:js decode:true \">var image = new Image();<\/pre>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001\u300cnew Image()\u300d\u3068\u8a18\u8ff0\u3059\u308b\u3060\u3051\u3067\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3057\u305f\u3042\u3068\u306b<b>\u300c\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u306e\u6307\u5b9a\u300d\u3068\u300cHTML\u3078\u306e\u7d44\u307f\u8fbc\u307f\u51e6\u7406\u300d<\/b>\u304c\u6b21\u306e\u3088\u3046\u306b\u5fc5\u8981\u3067\u3059\uff01<\/p>\n<pre class=\"lang:js decode:true \">var image = new Image();\r\n\r\nimage.src = \"sample.jpg\";\r\n\r\ndocument.body.appendChild(image);\r\n<\/pre>\n<p>\u300cimage.src\u300d\u306b\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u753b\u9762\u306b\u8868\u793a\u3055\u305b\u308b\u753b\u50cf\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3042\u3068\u306f\u3001\u300cappendChild()\u300d\u3092\u4f7f\u3063\u3066\u4efb\u610f\u306eHTML\u8981\u7d20\u3078\u7d44\u307f\u8fbc\u3081\u3070\u753b\u9762\u306b\u8868\u793a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4e0a\u8a18\u306e\u4f8b\u3060\u3068\u3001HTML\u306ebody\u8981\u7d20\u5185\u306b\u6307\u5b9a\u3057\u305f\u753b\u50cf\u3092\u8868\u793a\u3059\u308b\u3068\u3044\u3046\u610f\u5473\u306b\u306a\u308b\u308f\u3051\u3067\u3059\u3002\u3061\u306a\u307f\u306b\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3059\u308b\u969b\u306b\u753b\u50cf\u306e\u30b5\u30a4\u30ba\u3092\u3042\u3089\u304b\u3058\u3081\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\uff01<\/p>\n<p>\u4e00\u822c\u7684\u306a\u8a18\u8ff0\u3068\u3057\u3066\u306f\u3001\u3010 new Image( \u5e45, \u9ad8\u3055 ) \u3011\u306e\u3088\u3046\u306b\u5f15\u6570\u3078\u5e45\u3068\u9ad8\u3055\u3092\u8a2d\u5b9a\u3059\u308c\u3070OK\u3067\u3059\u3002<\/p>\n<pre class=\"lang:js decode:true \">var image = new Image( 150, 100 );<\/pre>\n<p>\u3053\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3067\u3001\u8a2d\u5b9a\u3057\u305f\u30b5\u30a4\u30ba\u306e\u753b\u50cf\u304c\u751f\u6210\u3055\u308c\u3066\u8868\u793a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u308f\u3051\u3067\u3059\uff01<\/p>\n<h2>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u4f5c\u308a\u65b9<\/h2>\n<p>\u3053\u3053\u307e\u3067\u3001\u7d44\u307f\u8fbc\u307f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u3064\u3044\u3066\u898b\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u3082\u3061\u308d\u3093\u72ec\u81ea\u306b\u300c\u30af\u30e9\u30b9\u300d\u3092\u4f5c\u6210\u3057\u3066\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u4ed6\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u8a00\u8a9e\u3068\u9055\u3063\u3066\u3001JavaScript\u306b\u306f\u30af\u30e9\u30b9\u3068\u3044\u3046\u6982\u5ff5\u304c\u7121\u3044\u306e\u3067\u3001\u30af\u30e9\u30b9\u306b\u3088\u304f\u4f3c\u305f\u69cb\u9020\u3092\u6301\u3064\u95a2\u6570\u300c\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u300d\u3092\u4f5c\u308b\u3053\u3068\u3067\u5b9f\u73fe\u3057\u307e\u3059\u3002\u5177\u4f53\u7684\u306a\u30b3\u30fc\u30c9\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\uff01<\/p>\n<pre class=\"lang:js decode:true \">function Member(name, age) {\r\n\r\n    this.name = name;\r\n    this.age = age;\r\n\r\n}\r\n\r\nvar member = new Member('\u592a\u90ce', 30);\r\n\r\nconsole.log( member );\r\n<\/pre>\n<p>\u51fa\u529b\u7d50\u679c<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">Member {name: \"\u592a\u90ce\", age: 30}\r\n<\/pre>\n<p>\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u306e\u3088\u3046\u306b\u3001\u300cMember\u300d\u3068\u3044\u3046\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u4f5c\u6210\u3059\u308b\u5834\u5408\u306f\u3001function\u3092\u4f7f\u3063\u3066\u95a2\u6570\u3092\u4f5c\u308b\u611f\u899a\u3067\u69cb\u7bc9\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p>\u30dd\u30a4\u30f3\u30c8\u306f\u95a2\u6570\u5185\u306b\u300cthis\u300d\u3068\u8a18\u8ff0\u3057\u3066\u3044\u308b\u90e8\u5206\u3067\u3001\u3053\u308c\u3092\u66f8\u304f\u3053\u3068\u3067<b>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd<\/b>\u3067\u3001\u3053\u306e\u4f8b\u3067\u306f\u300c\u540d\u524d(name)\u300d\u3068\u300c\u5e74\u9f62(age)\u300d\u306e2\u7a2e\u985e\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u3042\u3068\u306f\u3053\u308c\u307e\u3067\u3068\u540c\u3058\u65b9\u6cd5\u3067\u3001new\u306e\u3042\u3068\u306b\u5f15\u6570\u3092\u4ee3\u5165\u3057\u305f\u300cMember\u300d\u3092\u6307\u5b9a\u3059\u308c\u3070OK\u3067\u3059\u3002\u3061\u306a\u307f\u306b\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306f\u3001\u901a\u5e38\u306e\u95a2\u6570\u540d\u3068\u533a\u5225\u3059\u308b\u305f\u3081\u306b\u300c\u5927\u6587\u5b57\u300d\u3067\u59cb\u3081\u308b\u306e\u304c\u6163\u7fd2\u3068\u306a\u3063\u3066\u3044\u308b\u70b9\u3082\u5fd8\u308c\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>new\u6f14\u7b97\u5b50\u306e\u6ce8\u610f\u70b9<\/h2>\n<p>\u5b9f\u3092\u8a00\u3046\u3068\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306f\u9593\u9055\u3063\u305f\u4f7f\u3044\u65b9\u3092\u3059\u308b\u3068\u5371\u967a\u306a\u72b6\u6cc1\u306b\u306a\u308b\u554f\u984c\u3092\u79d8\u3081\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u306f\u3001\u30ba\u30d0\u30ea\u8a00\u3046\u3068<b>\u300cnew\u306e\u4ed8\u3051\u5fd8\u308c\u300d<\/b>\u306b\u3088\u308b\u3082\u306e\u3067\u3059\uff01<\/p>\n<p>\u3053\u308c\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u3001\u5148\u307b\u3069\u300cMember\u300d\u3092\u4f5c\u6210\u3057\u305f\u30b3\u30fc\u30c9\u3092\u4f7f\u3063\u3066\u3001new\u3092\u4ed8\u3051\u306a\u3044\u5834\u5408\u306b\u3069\u3046\u306a\u308b\u304b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\uff01<\/p>\n<pre class=\"lang:js decode:true \">function Member(name, age) {\r\n\r\n    this.name = name;\r\n    this.age = age;\r\n\r\n}\r\n\r\n\/\/new\u3092\u4ed8\u3051\u306a\u3044\u5834\u5408\u306e\u51e6\u7406\r\nvar myMember = Member('\u592a\u90ce', 30);\r\n\r\nconsole.log(myMember);\r\nconsole.log(this.name);\r\nconsole.log(this.age);\r\n<\/pre>\n<p>\u51fa\u529b\u7d50\u679c<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">undefined\r\n\u592a\u90ce\r\n30\r\n<\/pre>\n<p>\u3053\u306e\u4f8b\u3092\u898b\u308b\u3068\u3001new\u3092\u4ed8\u3051\u5fd8\u308c\u305f\u3089\u5358\u7d14\u306b\u300c\u95a2\u6570\u300d\u304c\u5909\u6570\u3078\u4ee3\u5165\u3055\u308c\u305f\u3060\u3051\u306e\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002\u51fa\u529b\u7d50\u679c\u3092\u898b\u308b\u3068\u3001\u5909\u6570\u300cmyMember\u300d\u306f\u300cundefined\u300d\u3068\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u304c\u3001\u6ce8\u76ee\u3059\u3079\u304d\u306f\u300cthis.name\u300d\u3068\u300cthis.age\u300d\u3067\u305d\u308c\u305e\u308c\u5024\u304c\u53d6\u5f97\u3067\u304d\u3066\u3044\u308b\u70b9\u3067\u3059\uff01<\/p>\n<p>\u3053\u308c\u306f\u8a00\u3044\u63db\u3048\u308b\u3068\u3001\u300cwindow.name\u300d\u300cwindow.age\u300d\u3068\u540c\u3058\u610f\u5473\u3067\u3042\u308a\u3001\u306a\u3093\u3068\u30b0\u30ed\u30fc\u30d0\u30eb\u5909\u6570\u3092\u4f5c\u3063\u3066\u3057\u307e\u3063\u3066\u3044\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\n<p>\u30b0\u30ed\u30fc\u30d0\u30eb\u5909\u6570\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u5168\u4f53\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u305f\u3081\u3001\u4e88\u671f\u305b\u306c\u30d0\u30b0\u3084\u30c8\u30e9\u30d6\u30eb\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u975e\u5e38\u306b\u9ad8\u304f\u306a\u308b\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u306b\u306a\u308b\u308f\u3051\u3067\u3059\u3002\u305d\u3053\u3067\u3001<b>\u5ff5\u306e\u305f\u3081\u300cStrict\u30e2\u30fc\u30c9\u300d<\/b>\u3092\u9069\u7528\u3057\u3066\u304a\u304f\u3068\u3044\u3046\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"lang:js decode:true\">function Member(name, age) {\r\n\r\n    'use strict';\r\n    this.name = name;\r\n    this.age = age;\r\n\r\n}\r\n<\/pre>\n<p>\u3053\u306e\u3088\u3046\u306b\u3057\u3066\u304a\u3051\u3070\u3001new\u3092\u4ed8\u3051\u5fd8\u308c\u305f\u3068\u3057\u3066\u3082\u300c\u30b0\u30ed\u30fc\u30d0\u30eb\u5909\u6570\u300d\u3092\u4f5c\u6210\u3059\u308b\u524d\u306b\u30a8\u30e9\u30fc\u306b\u306a\u308b\u3060\u3051\u306a\u306e\u3067\u3001\u91cd\u5927\u306a\u30d0\u30b0\u3092\u672a\u7136\u306b\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u4eca\u56de\u306f\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3059\u308b\u6642\u306b\u4f7f\u3046\u6f14\u7b97\u5b50\u300cnew\u300d\u306b\u3064\u3044\u3066\u5b66\u7fd2\u3057\u307e\u3057\u305f\uff01\u5b66\u7fd2\u3057\u305f\u5185\u5bb9\u306b\u3064\u3044\u3066\u3001\u3082\u3046\u4e00\u5ea6\u304a\u3055\u3089\u3044\u3092\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<br \/>\n<div 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