{"json_modified": "2015-11-24T21:50:41.792275", "slug": "Glossary/Primitive", "tags": ["Glossary", "JavaScript"], "locale": "ja", "title": "\u30d7\u30ea\u30df\u30c6\u30a3\u30d6", "translations": [{"title": "Primitive", "url": "/en-US/docs/Glossary/Primitive", "tags": ["CodingScripting", "Glossary", "JavaScript"], "summary": "A <strong>primitive</strong> (primitive value, primitive data type) is data that is not an <a class=\"glossaryLink\" href=\"/en-US/docs/Glossary/object\" title=\"object: Object refers to a data structure containing data and instructions for working with the data. Objects sometimes refer to real-world things, for example a car or map object in a racing game. JavaScript, Java, C++,&#xA0;Python, and Ruby are examples of object-oriented programming languages.\">object</a> and has no <a class=\"glossaryLink\" href=\"/en-US/docs/Glossary/method\" title=\"methods: A method is a function which is a property of an object. It exist two kind of methods: Instance Method which are built-in tasks performed by an object instance, or Static Methods which are tasks that can by performed without the need of an object instance.\">methods</a>. In <a class=\"glossaryLink\" href=\"/en-US/docs/Glossary/JavaScript\" title=\"JavaScript: JavaScript (JS) is a programming language mostly used client-side to dynamically script webpages, but often also server-side.\">JavaScript</a>, there are 6 primitive data types: <a class=\"glossaryLink\" href=\"/en-US/docs/Glossary/string\" title=\"string: In any computer programming language, a string is a sequence of characters used to represent text.\">string</a>, <a class=\"glossaryLink\" href=\"/en-US/docs/Glossary/number\" title=\"number: In JavaScript, Number is a numeric data type in the double-precision 64-bit floating point format (IEEE 754). In other programming languages different numeric types can exist, for examples: Integers, Floats, Doubles, or Bignums.\">number</a>, <a class=\"glossaryLink\" href=\"/en-US/docs/Glossary/boolean\" title=\"boolean: In computer science, a&#xA0;boolean&#xA0;is a logical data type that can have only the values&#xA0;true or false.\">boolean</a>, <a class=\"glossaryLink\" href=\"/en-US/docs/Glossary/null\" title=\"null: In computer science, a&#xA0;null&#xA0;value represents a reference that points, generally intentionally,&#xA0;to a nonexistent or invalid object or address. The meaning of a null reference varies among language implementations.\">null</a>, <a class=\"glossaryLink\" href=\"/en-US/docs/Glossary/undefined\" title=\"undefined: A primitive value automatically assigned to variables that have just been declared or to formal arguments for which there are no actual arguments.\">undefined</a>, <a class=\"glossaryLink\" href=\"/en-US/docs/Glossary/symbol\" title=\"symbol: A Symbol is a primitive data type whose instances are unique and immutable. In some programming languages they are also called atoms.\">symbol</a> (new in <a class=\"glossaryLink\" href=\"/en-US/docs/Glossary/ECMAScript\" title=\"The definition of that term (ECMAScript) has not been written yet; please consider contributing it!\">ECMAScript</a> 2015).", "localization_tags": [], "locale": "en-US", "last_edit": "2015-08-21T05:45:21", "review_tags": []}, {"title": "Primitivo", "url": "/pt-BR/docs/Glossario/Primitivo", "tags": [], "summary": "Um\u00a0<strong>primitivo</strong>\u00a0(valor primitivo, tipo de dados primitivo) \u00e9 um dado que n\u00e3o \u00e9 representado atrav\u00e9s de um\u00a0<a class=\"glossaryLink\" href=\"/pt-BR/docs/Glossario/Objeto\" title=\"Objeto: Objeto&#xA0;refere-se a uma estrutura de dados contendo dados e instru&#xE7;&#xF5;es para se trabalhar com estes dados. Objetos algumas vezes se referem a coisas do mundo real, por exemplo um objeto de&#xA0;carro ou um mapa em um jogo de corrida. JavaScript, Java, C++,&#xA0;Python, e Ruby s&#xE3;o exemplos de Linguagens orientadas &#xE0; objeto (object-oriented programming).\">Objeto</a> e, por consequ\u00eancia, n\u00e3o possui m\u00e9todos.", "localization_tags": [], "locale": "pt-BR", "last_edit": "2015-10-21T12:50:02", "review_tags": []}, {"title": "Primitivo", "url": "/es/docs/Glossary/Primitivo", "tags": ["Glosario", "JavaScript"], "summary": "Un primitivo\u00a0(valor primitivo, tipo de datos primitivo) es un dato que no es un\u00a0<a class=\"glossaryLink\" href=\"/en-US/docs/Glossary/object\" title=\"objeto: Object refers to a data structure containing data and instructions for working with the data. Objects sometimes refer to real-world things, for example a car or map object in a racing game. JavaScript, Java, C++, and Python are examples of object-oriented programming languages.\">objeto</a> y no tiene\u00a0<a class=\"glossaryLink\" href=\"/en-US/docs/Glossary/method\" title=\"m&#xE9;todos: A function is a property of an object. Since functions themselves are objects, a method is actually an object reference to a function; methods are built-in tasks performed by an object.&#xA0; An example of a method in JavaScript is .toUpperCase().\">m\u00e9todos</a>.", "localization_tags": [], "locale": "es", "last_edit": "2015-04-12T01:25:29", "review_tags": []}, {"title": "\u539f\u59cb\u6570\u636e", "url": "/zh-CN/docs/Glossary/Primitive", "tags": [], "summary": "<strong>\u539f\u59cb\u6570\u636e</strong>\u00a0\uff08\u539f\u59cb\u503c\u3001\u539f\u59cb\u6570\u636e\u7c7b\u578b\uff09\u662f\u975e<a class=\"glossaryLink\" href=\"/en-US/docs/Glossary/object\" title=\"object: Object refers to a data structure containing data and instructions for working with the data. Objects sometimes refer to real-world things, for example a car or map object in a racing game. JavaScript, Java, C++, and Python are examples of object-oriented programming languages.\">object</a>\u7c7b\u578b\u4e14\u6ca1\u6709\u81ea\u5df1<a class=\"glossaryLink\" href=\"/en-US/docs/Glossary/method\" title=\"&#x65B9;&#x6CD5;: A function is a property of an object. Since functions themselves are objects, a method is actually an object reference to a function; methods are built-in tasks performed by an object.&#xA0; An example of a method in JavaScript is .toUpperCase().\">\u65b9\u6cd5</a>\u7684\u6570\u636e\u3002", "localization_tags": ["inprogress"], "locale": "zh-CN", "last_edit": "2015-04-22T01:33:13", "review_tags": []}, {"title": "Primitive", "url": "/fr/docs/Glossaire/Primitive", "tags": ["Programmation", "Script", "JavaScript", "Glossaire"], "summary": "Editorial review completed.", "localization_tags": [], "locale": "fr", "last_edit": "2015-11-04T12:21:53", "review_tags": []}, {"title": "Skalare Daten", "url": "/de/docs/Glossary/einfache_datenelemente", "tags": ["skalare Datentypen", "einfache Datentypen"], "summary": "Ein einfaches (skalares) Datenelement (einfacher Wert, einfacher Datentyp) ist ein Datenelement, dass kein <a class=\"glossaryLink\" href=\"/de/docs/Glossary/object\" title=\"Die Definition dieses Ausdrucks (object) wurde noch nicht geschrieben; bitte hilf mit und trage sie bei!\">object</a> ist und keine <a class=\"glossaryLink\" href=\"/de/docs/Glossary/method\" title=\"Die Definition dieses Ausdrucks (methods) wurde noch nicht geschrieben; bitte hilf mit und trage sie bei!\">methods</a> besitzt.", "localization_tags": [], "locale": "de", "last_edit": "2015-10-05T03:56:53", "review_tags": ["editorial"]}], "modified": "2015-11-24T21:50:41", "label": "\u30d7\u30ea\u30df\u30c6\u30a3\u30d6", "localization_tags": [], "url": "/ja/docs/Glossary/Primitive", "last_edit": "2015-11-24T06:25:36", "summary": "<strong>\u30d7\u30ea\u30df\u30c6\u30a3\u30d6</strong>\uff08primitive\u3001\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u5024\u3001\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u30c7\u30fc\u30bf\u578b\uff09\u306f<a class=\"glossaryLink\" href=\"/ja/docs/Glossary/object\" title=\"&#x30AA;&#x30D6;&#x30B8;&#x30A7;&#x30AF;&#x30C8;: &#x30AA;&#x30D6;&#x30B8;&#x30A7;&#x30AF;&#x30C8;&#x306F;&#x30C7;&#x30FC;&#x30BF;&#x3068;&#x305D;&#x306E;&#x30C7;&#x30FC;&#x30BF;&#x3092;&#x3084;&#x308A;&#x53D6;&#x308A;&#x3059;&#x308B;&#x305F;&#x3081;&#x306E;&#x547D;&#x4EE4;&#x304C;&#x5165;&#x3063;&#x305F;&#x30C7;&#x30FC;&#x30BF;&#x69CB;&#x9020;&#x3067;&#x3059;&#x3002;&#x30AA;&#x30D6;&#x30B8;&#x30A7;&#x30AF;&#x30C8;&#x306F;&#x3057;&#x3070;&#x3057;&#x3070;&#x73FE;&#x5B9F;&#x4E16;&#x754C;&#x306E;&#x4E8B;&#x7269;&#x3092;&#x53C2;&#x7167;&#x3059;&#x308B;&#x4E8B;&#x304C;&#x3042;&#x308A;&#x307E;&#x3059;&#x3002;&#x4F8B;&#x3048;&#x3070;&#x3001;&#x30EC;&#x30FC;&#x30B7;&#x30F3;&#x30B0;&#x30B2;&#x30FC;&#x30E0;&#x3067;&#x306F; car &#x3084; map &#x30AA;&#x30D6;&#x30B8;&#x30A7;&#x30AF;&#x30C8;&#x3068;&#x8A00;&#x3063;&#x305F;&#x5177;&#x5408;&#x3067;&#x3059;&#x3002;&#x30AA;&#x30D6;&#x30B8;&#x30A7;&#x30AF;&#x30C8;&#x6307;&#x5411;&#x30D7;&#x30ED;&#x30B0;&#x30E9;&#x30DF;&#x30F3;&#x30B0;&#x8A00;&#x8A9E;&#x306E;&#x4F8B;&#x3068;&#x3057;&#x3066;&#x306F;&#x3001;JavaScript&#x3001; Java&#x3001;C++&#x3001;Python&#x3001;&#x305D;&#x3057;&#x3066; Ruby &#x306A;&#x3069;&#x304C;&#x6319;&#x3052;&#x3089;&#x308C;&#x307E;&#x3059;&#x3002;\">\u30aa\u30d6\u30b8\u30a7\u30af\u30c8</a>\u3067\u306a\u3044\u3001\u307e\u305f<a class=\"glossaryLink\" href=\"/ja/docs/Glossary/method\" title=\"&#x3053;&#x306E;&#x7528;&#x8A9E; (&#x30E1;&#x30BD;&#x30C3;&#x30C9;) &#x306E;&#x5B9A;&#x7FA9;&#x306F;&#x307E;&#x3060;&#x66F8;&#x304B;&#x308C;&#x3066;&#x3044;&#x307E;&#x305B;&#x3093;&#x3002;&#x305C;&#x3072;&#x3054;&#x5BC4;&#x7A3F;&#x304F;&#x3060;&#x3055;&#x3044;&#xFF01;\">\u30e1\u30bd\u30c3\u30c9</a>\u3092\u6301\u305f\u306a\u3044\u30c7\u30fc\u30bf\u306e\u3053\u3068\u3067\u3059\u3002<a class=\"glossaryLink\" href=\"/ja/docs/Glossary/JavaScript\" title=\"JavaScript: JavaScript (JS) &#x306F;&#x52D5;&#x7684;&#x306A;&#x30A6;&#x30A7;&#x30D6;&#x30DA;&#x30FC;&#x30B8;&#x306E;&#x8A18;&#x8FF0;&#x7528;&#x9014;&#x3068;&#x3057;&#x3066;&#x4E3B;&#x306B;&#x30AF;&#x30E9;&#x30A4;&#x30A2;&#x30F3;&#x30C8;&#x30B5;&#x30A4;&#x30C9;&#x3067;&#x4F7F;&#x7528;&#x3055;&#x308C;&#x308B;&#x30D7;&#x30ED;&#x30B0;&#x30E9;&#x30DF;&#x30F3;&#x30B0;&#x8A00;&#x8A9E;&#x3067;&#x3059;&#x3002;&#x307E;&#x305F;&#x3001;&#x30B5;&#x30FC;&#x30D0;&#x30B5;&#x30A4;&#x30C9;&#x3067;&#x3082;&#x305F;&#x3073;&#x305F;&#x3073;&#x4F7F;&#x7528;&#x3055;&#x308C;&#x3066;&#x3044;&#x307E;&#x3059;&#x3002;\">JavaScript</a> \u306b\u306f 6 \u3064\u306e\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u30c7\u30fc\u30bf\u578b\u304c\u3042\u308a\u307e\u3059\u3002<a class=\"glossaryLink\" href=\"/ja/docs/Glossary/string\" title=\"&#x6587;&#x5B57;&#x5217;: &#x30B3;&#x30F3;&#x30D4;&#x30E5;&#x30FC;&#x30BF;&#x30D7;&#x30ED;&#x30B0;&#x30E9;&#x30DF;&#x30F3;&#x30B0;&#x8A00;&#x8A9E;&#x306B;&#x304A;&#x3044;&#x3066;&#x3001;&#x6587;&#x5B57;&#x5217; (string) &#x3068;&#x306F;&#x30C6;&#x30AD;&#x30B9;&#x30C8;&#x3092;&#x8868;&#x3059;&#x6587;&#x5B57;&#x304C;&#x9023;&#x306A;&#x3063;&#x305F;&#x914D;&#x5217;&#x306E;&#x3053;&#x3068;&#x3067;&#x3059;&#x3002;\">\u6587\u5b57\u5217</a>\u3001<a class=\"glossaryLink\" href=\"/ja/docs/Glossary/number\" title=\"&#x6570;&#x5024;: JavaScript &#x3067;&#x306F;&#x3001;&#x6570;&#x5024; (Number) &#x306F; &#x500D;&#x7CBE;&#x5EA6; 64 &#x30D3;&#x30C3;&#x30C8;&#x6D6E;&#x52D5;&#x5C0F;&#x6570;&#x70B9;&#x30D5;&#x30A9;&#x30FC;&#x30DE;&#x30C3;&#x30C8;&#x3092;&#x6301;&#x3064;&#x6570;&#x5024;&#x30C7;&#x30FC;&#x30BF;&#x578B;&#x3067;&#x3059;&#x3002;&#x305D;&#x306E;&#x4ED6;&#x306E;&#x30D7;&#x30ED;&#x30B0;&#x30E9;&#x30DF;&#x30F3;&#x30B0;&#x8A00;&#x8A9E;&#x304C;&#x6301;&#x3063;&#x3066;&#x3044;&#x308B;&#x30C7;&#x30FC;&#x30BF;&#x578B;&#x3001;&#x4F8B;&#x3048;&#x3070; Integer&#x3001;Float&#x3001;Double&#x3001;Bignum &#x306A;&#x3069;&#x3068;&#x306F;&#x7570;&#x306A;&#x308A;&#x307E;&#x3059;&#x3002;\">\u6570\u5024</a>\u3001<a class=\"glossaryLink\" href=\"/ja/docs/Glossary/boolean\" title=\"&#x30D6;&#x30FC;&#x30EA;&#x30A2;&#x30F3;&#x578B;: &#x30B3;&#x30F3;&#x30D4;&#x30E5;&#x30FC;&#x30BF;&#x30B5;&#x30A4;&#x30A8;&#x30F3;&#x30B9;&#x306B;&#x304A;&#x3044;&#x3066;&#x3001;&#x30D6;&#x30FC;&#x30EA;&#x30A2;&#x30F3;&#x578B; (boolean) &#x306F; true&#xFF08;&#x771F;&#xFF09;&#x304B; false&#xFF08;&#x507D;&#xFF09;&#x306E;&#x5024;&#x306E;&#x307F;&#x3092;&#x53D6;&#x308C;&#x308B;&#x8AD6;&#x7406;&#x30C7;&#x30FC;&#x30BF;&#x578B;&#x3067;&#x3059;&#x3002;\">\u30d6\u30fc\u30ea\u30a2\u30f3\u578b</a>\u3001<a class=\"glossaryLink\" href=\"/ja/docs/Glossary/null\" title=\"null: &#x30B3;&#x30F3;&#x30D4;&#x30E5;&#x30FC;&#x30BF;&#x30B5;&#x30A4;&#x30A8;&#x30F3;&#x30B9;&#x5206;&#x91CE;&#x306B;&#x304A;&#x3044;&#x3066;&#x3001;&#x4E00;&#x822C;&#x7684;&#x306B; null &#x3068;&#x3044;&#x3046;&#x5024;&#x306F;&#x5B58;&#x5728;&#x3057;&#x306A;&#x3044;&#x3001;&#x307E;&#x305F;&#x306F;&#x7121;&#x52B9;&#x306A;&#x30AA;&#x30D6;&#x30B8;&#x30A7;&#x30AF;&#x30C8;&#x3084;&#x30A2;&#x30C9;&#x30EC;&#x30B9;&#x3078;&#x306E;&#x30DD;&#x30A4;&#x30F3;&#x30BF;&#x53C2;&#x7167;&#x3092;&#x8868;&#x3057;&#x307E;&#x3059;&#x3002;null &#x306B;&#x3088;&#x308B;&#x53C2;&#x7167;&#x304C;&#x6301;&#x3064;&#x610F;&#x5473;&#x306F;&#x8A00;&#x8A9E;&#x5B9F;&#x88C5;&#x9593;&#x306B;&#x3088;&#x3063;&#x3066;&#x69D8;&#x3005;&#x3067;&#x3059;&#x3002;\">null</a>\u3001<a class=\"glossaryLink\" href=\"/ja/docs/Glossary/undefined\" title=\"undefined: undefined &#x3068;&#x306F;&#x3001;&#x5BA3;&#x8A00;&#x306E;&#x307F;&#x304C;&#x884C;&#x308F;&#x308C;&#x305F;&#x5909;&#x6570;&#x3001;&#x3042;&#x308B;&#x3044;&#x306F;&#x5B9F;&#x5F15;&#x6570;&#x304C;&#x5B58;&#x5728;&#x3057;&#x306A;&#x3044;&#x4EEE;&#x5F15;&#x6570;&#x306B;&#x81EA;&#x52D5;&#x7684;&#x306B;&#x5272;&#x308A;&#x5F53;&#x3066;&#x3089;&#x308C;&#x308B;&#x30D7;&#x30EA;&#x30DF;&#x30C6;&#x30A3;&#x30D6;&#x5024;&#x306E;&#x3053;&#x3068;&#x3067;&#x3059;&#x3002;\">undefined</a>\u3001\u305d\u3057\u3066<a class=\"glossaryLink\" href=\"/ja/docs/Glossary/symbol\" title=\"&#x30B7;&#x30F3;&#x30DC;&#x30EB;: Symbol&#x306F;&#x3001;&#x305D;&#x306E;&#x30A4;&#x30F3;&#x30B9;&#x30BF;&#x30F3;&#x30B9;&#x304C;&#x30E6;&#x30CB;&#x30FC;&#x30AF;&#x3067;&#x4E0D;&#x5909;&#x306A;&#x30D7;&#x30EA;&#x30DF;&#x30C6;&#x30A3;&#x30D6;&#x30C7;&#x30FC;&#x30BF;&#x578B;&#x3067;&#x3059;&#x3002;&#x307B;&#x304B;&#x306E;&#x30D7;&#x30ED;&#x30B0;&#x30E9;&#x30DF;&#x30F3;&#x30B0;&#x8A00;&#x8A9E;&#x3067;&#x306F;&#x3001;atom&#x3068;&#x547C;&#x3070;&#x308C;&#x308B;&#x3053;&#x3068;&#x3082;&#x3042;&#x308A;&#x307E;&#x3059;&#x3002;\">\u30b7\u30f3\u30dc\u30eb</a>\u3067\u3059\uff08<a class=\"glossaryLink\" href=\"/ja/docs/Glossary/ECMAScript\" title=\"ECMAScript: ECMAScript &#x306F; JavaScript &#x306E;&#x30D9;&#x30FC;&#x30B9;&#x3068;&#x306A;&#x3063;&#x3066;&#x3044;&#x308B;&#x30B9;&#x30AF;&#x30EA;&#x30D7;&#x30C8;&#x8A00;&#x8A9E;&#x3067;&#x3059;&#x3002;Ecma International &#x304C; ECMAScript &#x306E;&#x6A19;&#x6E96;&#x5316;&#x3092;&#x62C5;&#x5F53;&#x3057;&#x3066;&#x3044;&#x307E;&#x3059;&#x3002;\">ECMAScript</a> 2015 \u3067\u8ffd\u52a0\uff09\u3002", "sections": [{"id": "Primitive_wrapper_objects_in_JavaScript", "title": "JavaScript \u306e\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u30e9\u30c3\u30d1\u30fc\u30aa\u30d6\u30b8\u30a7\u30af\u30c8"}, {"id": "Learn_more", "title": "\u8a73\u7d30\u60c5\u5831"}, {"id": "General_knowledge", "title": "\u57fa\u790e\u77e5\u8b58"}], "id": 165067, "review_tags": ["technical", "editorial"]}