{"id":7274,"date":"2016-07-31T06:05:09","date_gmt":"2016-07-30T21:05:09","guid":{"rendered":"http:\/\/www.webcyou.com\/?p=7274"},"modified":"2017-03-26T13:16:40","modified_gmt":"2017-03-26T04:16:40","slug":"facebook%e8%a3%bd-javascript-%e9%96%a2%e6%95%b0%e3%83%a9%e3%82%a4%e3%83%96%e3%83%a9%e3%83%aa%e3%80%82immutable-js-%e3%81%8c%e3%81%84%e3%81%84%e6%84%9f%e3%81%98%ef%bc%81","status":"publish","type":"post","link":"https:\/\/www.webcyou.com\/?p=7274","title":{"rendered":"Facebook\u88fd JavaScript \u95a2\u6570\u30e9\u30a4\u30d6\u30e9\u30ea\u3002Immutable.js \u304c\u3044\u3044\u611f\u3058\uff01"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/9c5d94d50a903d1058b0f77717b6398d.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-07-31 5.33.10\" width=\"635\" height=\"135\" class=\"alignnone size-full wp-image-7282\" srcset=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/9c5d94d50a903d1058b0f77717b6398d.png 635w, https:\/\/www.webcyou.com\/wp-content\/uploads\/9c5d94d50a903d1058b0f77717b6398d-300x64.png 300w\" sizes=\"auto, (max-width: 635px) 100vw, 635px\" \/><\/p>\n<p>\u304a\u4e45\u3057\u3076\u308a\u306bJavaScript\u306e\u8a71\u984c\u3067\u3082\u3068\u3002<\/p>\n<p><strong>Facebook\u88fd JavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\uff08\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\uff09\u3068\u8a00\u3048\u3070\u3001React.js<\/strong>\u306a\u30a4\u30e1\u30fc\u30b8\u3067\u3059\u304c\u3001<\/p>\n<p>\u3053\u3061\u3089\u3082\u7d50\u69cb\u524d\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u3066\u3044\u3066\u3001\u3042\u307e\u308a\u89e6\u3063\u3066\u3053\u306a\u304b\u3063\u305f\u306e\u3067\u4eca\u56de\u306f\u3053\u3061\u3089\u3092\u3002<\/p>\n<h4>immutable<\/h4>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/693753151fa36c0be1a69fe355f22604.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-07-30 8.01.39\" width=\"572\" height=\"307\" class=\"alignnone wp-image-7275\" srcset=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/693753151fa36c0be1a69fe355f22604.png 672w, https:\/\/www.webcyou.com\/wp-content\/uploads\/693753151fa36c0be1a69fe355f22604-300x161.png 300w\" sizes=\"auto, (max-width: 572px) 100vw, 572px\" \/><\/p>\n<p><strong>\u516c\u5f0f\u30b5\u30a4\u30c8<\/strong><\/p>\n<p><a href=\"http:\/\/facebook.github.io\/immutable-js\/\" target=\"_blank\">http:\/\/facebook.github.io\/immutable-js\/<\/a><\/p>\n<p><strong>github<\/strong><\/p>\n<p><a href=\"https:\/\/github.com\/facebook\/immutable-js\" target=\"_blank\">https:\/\/github.com\/facebook\/immutable-js<\/a><\/p>\n<h4 id=\"immutable-collections-for-javascript\">Immutable collections for JavaScript<\/h4>\n<p><strong>immutable.js<\/strong>\u306f\u305d\u306e\u540d\u306e\u901a\u308a<strong>immutable\uff08\u4e0d\u5909\uff09<\/strong>\u306a\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3059\u308b<strong>JavaScript\u30e9\u30a4\u30d6\u30e9\u30ea<\/strong>\u3068\u306a\u3063\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u3046\u3001JavaScript\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u57fa\u672c\u3001<strong>mutable\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306a\u8a33<\/strong>\u3067\u3001\u305d\u308c\u3092<strong>immutable\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3078\u3068\u5909\u63db<\/strong>\u3057\u3066\u304f\u308c\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092immutable\u306b\u3059\u308b\u4e8b\u306b\u3088\u3063\u3066\u3001\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u7528\u3044\u3089\u308c\u308b\u3001\u6c38\u7d9a\u30c7\u30fc\u30bf\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u884c\u3046\u4e8b\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3092\u5229\u7528\u3059\u308b\u4e8b\u306b\u3088\u3063\u3066\u3001<strong>\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u5f37\u3044\u5f8c\u62bc\u3057\u3092\u3057\u3066\u304f\u308c\u3001\u53c2\u7167\u900f\u904e\u6027\u306e\u9ad8\u3044\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0<\/strong>\u304c\u884c\u3048\u307e\u3059\u306d\u3002<\/p>\n<p>\u3053\u308c\u306f\u826f\u3044\uff01<\/p>\n<p><strong>github\u306e\u30b9\u30bf\u30fc\u6570<\/strong>\u3082\u304b\u306a\u308a\u306e\u6570\u3092\u884c\u3063\u3066\u304a\u308a\u307e\u3059\u306d\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/3ac233b9f607e27e4e51db40217ba4d1.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-07-30 8.03.26\" width=\"411\" height=\"59\" class=\"alignnone size-full wp-image-7277\" srcset=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/3ac233b9f607e27e4e51db40217ba4d1.png 411w, https:\/\/www.webcyou.com\/wp-content\/uploads\/3ac233b9f607e27e4e51db40217ba4d1-300x43.png 300w\" sizes=\"auto, (max-width: 411px) 100vw, 411px\" \/><\/p>\n<p>\u3055\u305e\u304b\u3057\u307f\u3093\u306a\u3082\u4f7f\u3063\u3066\u3044\u308b\u306e\u3060\u308d\u3046\u3068\u3001\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u5171\u6709\u30b5\u30fc\u30d3\u30b9\u3067\u6709\u540d\u306a\u300c<strong>Qiita<\/strong>\u300d\u3092\u8997\u3044\u3066\u307f\u308b\u3068\u3001<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/159eaa8cdb6bb2c874f8d5ce0f865242.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-07-30 5.59.06\" width=\"661\" height=\"147\" class=\"alignnone wp-image-7276\" srcset=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/159eaa8cdb6bb2c874f8d5ce0f865242.png 791w, https:\/\/www.webcyou.com\/wp-content\/uploads\/159eaa8cdb6bb2c874f8d5ce0f865242-300x67.png 300w, https:\/\/www.webcyou.com\/wp-content\/uploads\/159eaa8cdb6bb2c874f8d5ce0f865242-768x171.png 768w\" sizes=\"auto, (max-width: 661px) 100vw, 661px\" \/><\/p>\n<p>\u3042\u307e\u308a\u6295\u7a3f\u304c\u306a\u3044\u611f\u3058\u3067\u3059\u306d\u3002\u3002\u65e5\u672c\u306e\u8a18\u4e8b\u3082\u7d50\u69cb\u5c11\u306a\u3044\u6c17\u304c\u3057\u307e\u3059\u306d\u3002\u3002<\/p>\n<p>JavaScript\u3092\u4e3b\u306b\u66f8\u304b\u308c\u3066\u3044\u308b\u65e5\u672c\u306e\u65b9\u306b\u306f\u3068\u3063\u3064\u304d\u306b\u304f\u3044\u6982\u5ff5\u306a\u306e\u3067\u3059\u304b\u306d\uff1f\uff1f<\/p>\n<p>\u3084\u306f\u308a\u3001\u578b\u3092\u5165\u308c\u3066\u5229\u7528\u3057\u3066\u3044\u308b\u3068\u3001\u3053\u306e\u8fba\u306f\u3069\u3046\u3082\u6b32\u3057\u304f\u306a\u308a\u307e\u3059\u3088\u306d\u3002<\/p>\n<p>\u3067\u306f\u3001\u65e9\u901f\u4f7f\u3063\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u30fc\uff01<\/p>\n<h4>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h4>\n<p>npm\u30b3\u30de\u30f3\u30c9\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u969b<\/p>\n<pre class=\"brush: bash; title: ; notranslate\" title=\"\">$ npm install immutable<\/pre>\n<p>webBrowser \u3067\u5229\u7528\u3059\u308b\u5834\u5408\u306fimmutable.js\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u3053\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"brush: xml; title: ; notranslate\" title=\"\">&lt;script src=&quot;immutable.min.js&quot;&gt;&lt;\/script&gt;<\/pre>\n<p>node\u74b0\u5883\u3067\u306f\u3001require\u3057\u3066\u5229\u7528\u3002<\/p>\n<h4>\u4f7f\u3044\u65b9<\/h4>\n<p>\u3067\u306f\u65e9\u901f\u3001Map\u95a2\u6570\u3092\u5229\u7528\u3002<\/p>\n<h5>Map<\/h5>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">var Immutable = require(\"immutable\");\r\nvar map1 = Immutable.Map({a: 1, b:2, c: 3});<\/pre>\n<p>Map()\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092immutable\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u52ff\u8ad6\u3067\u3059\u304c\u3001\u5909\u63db\u5f8c\u3053\u3093\u306a\u611f\u3058\u3067\u53c2\u7167\u3059\u308b\u3053\u3068\u306f\u51fa\u6765\u307e\u305b\u3093\u3002<\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">console.log(map1.b); \/\/ undefined<\/pre>\n<p>\u30ad\u30fc\u304c\u3001&#8221;b&#8221;\u306e\u5024\u3092\u53d6\u5f97\u3059\u308b\u969b\u306f\u3001\u300cget\u300d\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">console.log(map1.get('b'));<\/pre>\n<p>\u3053\u308c\u3092\u5909\u6570\u306b\u6e21\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u901a\u5e38\u3060\u3068\u3001\u53c2\u7167\u6e21\u3057\u3067\u6e21\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3059\u304c\u3001\u5024\u6e21\u3057\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002<\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">var Immutable = require(\"immutable\");\r\nvar map1 = Immutable.Map({a: 1, b:2, c: 3});\r\n\r\nvar clone1 = map1;\r\nvar clone2 = map1.set('b', 50);\r\n\r\nconsole.log(map1.get('b')); \/\/2\r\nconsole.log(clone1.get('b')); \/\/2\r\nconsole.log(clone2.get('b')); \/\/50<\/pre>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">assert(map1.equals(clone1) === true);\r\nassert(map1.equals(clone2) === false);<\/pre>\n<p>\u3075\u3080\u3002\u7d20\u6575\u306a\u611f\u3058\u3067\u3059\u3088\u306d\u3002<\/p>\n<p><strong>merge<\/strong><br \/>\n\u305d\u306e\u4ed6\u3001merge\u3092\u884c\u3044\u6642\u306b\u3082\u81f3\u3063\u3066\u7c21\u5358\u306b\u884c\u3048\u307e\u3059\u3002<\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">var x = Immutable.Map({a: 10, b: 20, c: 30});\r\nvar y = Immutable.Map({b: 40, a: 50, d: 60});\r\nx.merge(y) \/\/ { a: 50, b: 40, c: 30, d: 60 }\r\ny.merge(x) \/\/ { b: 20, a: 10, d: 60, c: 30 }<\/pre>\n<p>\u305d\u306e\u4ed6\u306b\u3082\u3001Map API\u306b\u306f\u3001delete\u3001clear\u3001update\u3001has\u3001first\u3001last\u3001keys\u3001values\u3001reverse\u3001sortBy\u3001slice\u3001flatten\u3001reduce\u3001max\u3001some\u3001join\u3001count\u3001find &#8230;.\u3068\u5fc5\u8981\u305d\u3046\u306a\u3082\u306e\u306f\u5168\u3066\u63c3\u3063\u3066\u3044\u308b\u5370\u8c61\u306a\u306e\u3067\u3001\u5b89\u5fc3\u3057\u3066\u4f7f\u3048\u307e\u3059\u306d\u3002<\/p>\n<h3>List<\/h3>\n<p>\u7d9a\u3044\u3066\u3001List\u3092\u8efd\u304f\u3002<br \/>\n1,2,3\u304c\u683c\u7d0d\u3055\u308c\u305f\u914d\u5217\u3092\u751f\u6210\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">var arr = &#x5B;1,2,3];\r\narr.push(4);\r\nconsole.log(arr); \/\/\u00a0Array &#x5B;1, 2, 3, 4]<\/pre>\n<p>\u30cd\u30a4\u30c6\u30a3\u30d6\u3067\u306f\u3001\u3053\u306e\u3088\u3046\u306b\u7834\u58ca\u7684\u30e1\u30bd\u30c3\u30c9\uff08\u5143\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u58ca\u3055\u308c\u3066\u3044\u308b\u72b6\u614b\u3002\uff09\u3067\u914d\u5217\u306b\u4ee3\u5165\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002<br \/>\n\u3053\u306e\u3088\u3046\u306a\u5834\u5408\u3067\u3082\u3001immutable.js\u306f\u529b\u3092\u767a\u63ee\u3057\u307e\u3059\u3002<\/p>\n<p>immutable.js\u3067\u306f List API\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u305d\u3061\u3089\u3092\u5229\u7528\u3057\u3066\u914d\u5217\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n<p>[cod lang=&#8221;js&#8221;e]var arr = immutable.List.of(1, 2, 3);<br \/>\narr.push(4);<br \/>\nconsole.log(arr.toJS());\/\/\u00a0Array[1, 2, 3][\/code]<\/p>\n<p>\u53cd\u6620\u3055\u308c\u3066\u3044\u306a\u3044\u306e\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<br \/>\n\u5909\u6570\u306b\u5024\u6e21\u3057\u3092\u884c\u3046\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u975e\u7834\u58ca\u7684\u306bpush\u3092\u884c\u3046\u4e8b\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">var arr = Immutable.List.of(1, 2, 3);\r\nvar newArr = arr.push(4);\r\n\r\nconsole.log(arr.toJS()); \/\/Array &#x5B;1, 2, 3]\r\nconsole.log(newArr.toJS()); \/\/Array &#x5B;1, 2, 3, 4]<\/pre>\n<p>\u5143\u306earr\u306b\u5f71\u97ff\u304c\u3044\u3063\u3066\u306a\u3044\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u4ed6\u3001pop\u3001unshift\u3001shift\u3001set\u3001delete\u3001clear&#8230; \u306a\u3069\u306eAPI\u3082\u7528\u610f\u3055\u308c\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n<p>\u6570\u3092\u77e5\u308a\u305f\u3044\u6642\u306f\u300csize\u300d\u3092\u5229\u7528\u3059\u308c\u3070\u3059\u3050\u306b\u77e5\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">console.log(arr.size); \/\/4<\/pre>\n<h5>fromJS()<\/h5>\n<p>JavaScript\u754c\u9688\u3067\u306f\u826f\u304f\u5229\u7528\u3059\u308b\u30d5\u30a1\u30af\u30c8\u30ea\u30fc\u30d1\u30bf\u30fc\u30f3\u3067\u660e\u793a\u7684\u306b\u751f\u6210\u3082\u884c\u3048\u307e\u3059\u306d\u3002<br \/>\nfromJson\u3084fromData\u306a\u3069\u3001\u826f\u304f\u898b\u304b\u3051\u307e\u3059\u304c\u3001immutable.js\u3067\u306ffromJS\u3068JavaScript\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u306e\u4e16\u754c\u3092\u5207\u308a\u5206\u3051\u3066\u3044\u308b\u306e\u3092\u57a3\u9593\u898b\u308c\u307e\u3059\u3002<\/p>\n<p><strong>JS\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304b\u3089\u306e\u751f\u6210\u3002<\/strong><\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">var obj = immutable.fromJS({a: 1, b: 2});\r\nconsole.log(obj.get('a')); \/\/ 1 <\/pre>\n<p>\u30b5\u30f3\u30d7\u30eb\u3092\u898b\u308b\u3068\u3001callback\u3067List\u3068OrderedMap\u306bimmutable\u306b\u5909\u63db\u3057\u3066\u3044\u308b\u306e\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">Immutable.fromJS({a: {b: &#x5B;10, 20, 30]}, c: 40}, function (key, value) {\r\n  var isIndexed = Immutable.Iterable.isIndexed(value);\r\n  return isIndexed ? value.toList() : value.toOrderedMap();\r\n});\r\n\r\n\/\/ true, \"b\", {b: &#x5B;10, 20, 30]}\r\n\/\/ false, \"a\", {a: {b: &#x5B;10, 20, 30]}, c: 40}\r\n\/\/ false, \"\", {\"\": {a: {b: &#x5B;10, 20, 30]}, c: 40}}<\/pre>\n<p>top\u30ec\u30d9\u30eb\u306ekey\u304c\u7a7a\u6587\u5b57\u3067\u5909\u3048\u308b\u69d8\u306b\u306a\u3063\u3066\u3044\u308b\u69d8\u3067\u3059\u306d\u3002<br \/>\nJavaScript\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u623b\u3059\u969b\u306f\u3001toJS()\u3067\u623b\u3059\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">console.log(obj.toJS()); \r\n\/\/ a: Object\r\n\/\/   b: Array &#x5B;10, 20, 30]\r\n\/\/ C: 40<\/pre>\n<h4>\u9045\u5ef6\u8a55\u4fa1<\/h4>\n<p>\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u7279\u5fb4\u3068\u3057\u3066\u3001<strong>immutable\u306a\u6c38\u7d9a\u30c7\u30fc\u30bf\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3001\u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u3001\u5ba3\u8a00\u578b\u3067\u30b3\u30fc\u30c9\u306f\u53c2\u7167\u900f\u904e<\/strong>\u3002<\/p>\n<p>\u3068\u3044\u3063\u305f\u7279\u5fb4\u304c\u3042\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>immutable.js\u3082\u9045\u5ef6\u8a55\u4fa1\u3092\u884c\u3063\u3066\u304a\u308a<strong>\u300c\u5fc5\u8981\u306a\u6642\u306b\u5fc5\u8981\u306a\u5206\u51e6\u7406\u3055\u308c\u308b\u300d<\/strong>\u8a2d\u8a08\u3068\u306a\u3063\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u306b\u3001\u81ea\u7136\u657010\u307e\u3067\u306e\u914d\u5217\u3092\u4f5c\u6210\u3057\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">var natural = Immutable.Range();\r\nvar natural_10 = natural.take(10);\r\nnatural_10 = natural_10.toArray(); \/\/Array &#x5B;0, 1, 2, 3, 4, 5, 6, 7, 8, 9]<\/pre>\n<p>Range()\u3067\u81ea\u7136\u6570\u3092\u751f\u6210\u3057\u3001take\u3067\u6570\u3092\u3057\u3066\u3057\u307e\u3059\u3002<br \/>\ntoArray()\u3067\u914d\u5217\u3067\u51fa\u529b\u3059\u308b\u306e\u3067\u3059\u304c\u3001\u3053\u306e\u6642\u306b\u521d\u3081\u3066\u51e6\u7406\u304c\u8d70\u308a\u307e\u3059\u3002<br \/>\n\u3053\u306e\u3088\u3046\u306b\u3001\u5fc5\u8981\u306a\u6642\u306b\u306a\u3063\u305f\u6642\u306b\u51e6\u7406\u304c\u8d70\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u307e\u3059\u3002<br \/>\n\u3061\u306a\u307f\u306b\u4e0a\u8a18\u306e\u8a18\u8ff0\u306f\u4ee5\u4e0b\u306e\u30e1\u30bd\u30c3\u30c9\u30c1\u30a7\u30fc\u30f3\u3067\u3082\u884c\u3046\u4e8b\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">var natural_10 = Immutable.Range().take(10).toArray(); \/\/Array &#x5B;0, 1, 2, 3, 4, 5, 6, 7, 8, 9]<\/pre>\n<p>\u305d\u306e\u4ed6\u306b\u3082\u7528\u610f\u3055\u308c\u3066API\u306f\u6ca2\u5c71\u3042\u308a\u3001\u5168\u90e8\u66f8\u3053\u3046\u3068\u3059\u308b\u3068\u304b\u306a\u308a\u306e\u91cf\u3068\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u306e\u3067\u3001\u305d\u306e\u4ed6\u306f\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u78ba\u8a8d\u3057\u3066\u3044\u305f\u3060\u3051\u308c\u3070\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p><strong>\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/strong><br \/>\n<a href=\"http:\/\/facebook.github.io\/immutable-js\/docs\/#\/\" target=\"_blank\">http:\/\/facebook.github.io\/immutable-js\/docs\/#\/<\/a><\/p>\n<p>immutable-js\u306fReactJS\u3068\u306e\u76f8\u6027\u3082\u3088\u3055\u305d\u3046\u306a\u611f\u3058\u3067\u3001\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u884c\u3046\u306b\u306f\u3082\u3063\u3066\u3053\u3044\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u306d\u3002<br \/>\n\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u884c\u3063\u3066\u3044\u3066\u3001JavaScript\u306b\u7cbe\u901a\u3055\u308c\u3066\u3044\u308b\u65b9\u306b\u597d\u307e\u308c\u3066\u3044\u308b\u611f\u3058\u3067\u3059\u304b\u306d\u3002<\/p>\n<p>\u3067\u306f\u3067\u306f\u30fc\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/5515be58412a521eaca861306ff67647.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-07-31 4.14.51\" width=\"581\" height=\"123\" class=\"alignnone size-full wp-image-7281\" srcset=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/5515be58412a521eaca861306ff67647.png 581w, https:\/\/www.webcyou.com\/wp-content\/uploads\/5515be58412a521eaca861306ff67647-300x64.png 300w\" sizes=\"auto, (max-width: 581px) 100vw, 581px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u304a\u4e45\u3057\u3076\u308a\u306bJavaScript\u306e\u8a71\u984c\u3067\u3082\u3068\u3002 Facebook\u88fd JavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\uff08\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\uff09\u3068\u8a00\u3048\u3070\u3001React.js\u306a\u30a4\u30e1\u30fc\u30b8\u3067\u3059\u304c\u3001 \u3053\u3061\u3089\u3082\u7d50\u69cb\u524d\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u3066\u3044\u3066\u3001\u3042\u307e\u308a\u89e6\u3063\u3066\u3053\u306a\u304b\u3063\u305f [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[167,177,181,168,176,40,166,37,47,179,50,46,169,44,45,95,39,178,138,78,114,118],"class_list":{"0":"post-7274","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-javascript","7":"tag-css","8":"tag-css3","9":"tag-facebook","10":"tag-html","11":"tag-html5","12":"tag-ios-sdk","13":"tag-iphone","14":"tag-iphone-","15":"tag-javascript-2","16":"tag-jquery","17":"tag-jquery-mobile","18":"tag-js","19":"tag-mac","20":"tag-web","22":"tag-95","23":"tag-39","24":"tag-178","25":"tag-138","26":"tag-78","27":"tag-114","28":"tag-118"},"_links":{"self":[{"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/posts\/7274","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7274"}],"version-history":[{"count":8,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/posts\/7274\/revisions"}],"predecessor-version":[{"id":7722,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/posts\/7274\/revisions\/7722"}],"wp:attachment":[{"href":"https:\/\/www.webcyou.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7274"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7274"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7274"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}