{"id":1307,"date":"2011-11-11T02:35:02","date_gmt":"2011-11-10T17:35:02","guid":{"rendered":"http:\/\/codaholic.org\/?p=1307"},"modified":"2020-08-23T17:43:19","modified_gmt":"2020-08-23T08:43:19","slug":"javascriptprototype%e3%81%ae%e3%83%97%e3%83%ad%e3%83%91%e3%83%86%e3%82%a3%e3%81%ab%e5%80%a4%e3%82%92%e4%b8%8a%e6%9b%b8%e3%81%8d%e3%81%99%e3%82%8b%e3%81%ae%e3%81%a8prototype%e3%81%ab%e3%82%aa","status":"publish","type":"post","link":"https:\/\/codaholic.org\/?p=1307","title":{"rendered":"[Javascript] prototype \u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u5024\u3092\u4e0a\u66f8\u304d\u3059\u308b\u306e\u3068 prototype \u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30ea\u30c6\u30e9\u30eb\u3092\u4e0a\u66f8\u304d\u3059\u308b\u306e\u3067\u306f\u52d5\u4f5c\u304c\u7570\u306a\u308b"},"content":{"rendered":"<p>\u3042\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4e0a\u66f8\u304d\u3059\u308b\u3068\u304d\u306b\u3001\u30c9\u30c3\u30c8\u6f14\u7b97\u5b50\u3092\u4f7f\u3063\u3066\u4e0a\u66f8\u304d\u3059\u308b\u65b9\u6cd5\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30ea\u30c6\u30e9\u30eb\u3067\u4e0a\u66f8\u304d\u3059\u308b\u65b9\u6cd5\u3067\u306f\u540c\u69d8\u306e\u7d50\u679c\u304c\u5f97\u3089\u308c\u307e\u3059\u3002\u3067\u3059\u304cprototype\u306e\u5834\u5408\u306f\u8a33\u304c\u9055\u3046\u3088\u3046\u3067\u3059\u3002\u5177\u4f53\u7684\u306a\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30ea\u30c6\u30e9\u30eb\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u95a2\u4fc2<\/p>\n<p>\u4e0b\u8a18\u306e\u7d50\u679c\u304b\u3089\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30ea\u30c6\u30e9\u30eb\u306b\u3088\u308b\u4e0a\u66f8\u304d\u3068\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3078\u306e\u4e0a\u66f8\u304d\u306b\u3064\u3044\u3066\u306f\u540c\u3058\u52d5\u4f5c\u3092\u3059\u308b\u3082\u306e\u3068\u601d\u3044\u8fbc\u3093\u3067\u3044\u307e\u3057\u305f\u3002<\/p>\n<h2>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30ea\u30c6\u30e9\u30eb\u3067\u5b9a\u7fa9\u3057\u305f\u3042\u3068\u306b\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u4e0a\u66f8\u304d\u3092\u3059\u308b<\/h2>\n<pre><code>var hoge;\nhoge = {\n    message: 'hello'\n}\nhoge.message = 'bye';\n\nalert(hoge.message); \/\/ \u300cbye\u300d\u3068\u8868\u793a\u3055\u308c\u308b\n<\/code><\/pre>\n<h2>\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u5b9a\u7fa9\u3057\u305f\u3042\u3068\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30ea\u30c6\u30e9\u30eb\u3067\u4e0a\u66f8\u304d\u3059\u308b<\/h2>\n<pre><code class=\"language-javascript\">var hoge;\nhoge.message = 'hello';\nhoge = {\n    message: 'bye'\n}\n\nalert(hoge.message); \/\/ \u300cbye\u300d\u3068\u8868\u793a\u3055\u308c\u308b\n<\/code><\/pre>\n<p>prototype \u3067\u540c\u3058\u4e8b\u3092\u3084\u3063\u3066\u307f\u308b\u3068\u7d50\u679c\u306b\u9055\u3044\u304c\u73fe\u308c\u307e\u3059\u3002\u7d99\u627f\u304c\u7d61\u3093\u3067\u304f\u308b\u3068\u5909\u308f\u3063\u3066\u304f\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<h2>prototype\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30ea\u30c6\u30e9\u30eb\u3092\u4e0a\u66f8\u304d\u3057\u305f\u5834\u5408<\/h2>\n<pre><code class=\"language-javascript\">var Animal = function(){}; \nAnimal.prototype.kind = '\u54fa\u4e73\u985e';\n\nvar dog = new Animal(); \/\/ Animal\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092dog\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u7d99\u627f\u3059\u308b\nalert(dog.kind); \/\/ \u300c\u54fa\u4e73\u985e\u300d\u3068\u8868\u793a\u3055\u308c\u308b\n\n\/\/ \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30ea\u30c6\u30e9\u30eb\u3067\u4e0a\u66f8\u304d\u3059\u308b\nAnimal.prototype = {\n    kind: '\u722c\u866b\u985e'\n}\nalert(dog.kind); \/\/ \u300c\u54fa\u4e73\u985e\u300d\u3068\u8868\u793a\u3055\u308c\u308b\u3002\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u306f\u5f71\u97ff\u3092\u53ca\u307c\u3057\u3066\u3044\u306a\u3044\u3002\n<\/code><\/pre>\n<h2>prototype \u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u4e0a\u66f8\u304d\u3057\u305f\u5834\u5408<\/h2>\n<pre><code class=\"language-javascript\">var Animal = function(){}; \nAnimal.prototype.kind = '\u54fa\u4e73\u985e';\n\nvar dog = new Animal(); \/\/ Animal\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092dog\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u7d99\u627f\u3059\u308b\nalert(dog.kind); \/\/ \u300c\u54fa\u4e73\u985e\u300d\u3068\u8868\u793a\u3055\u308c\u308b\n\n\/\/ \u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u4e0a\u66f8\u304d\u3059\u308b\nAnimal.prototype.kind = '\u722c\u866b\u985e';\nalert(dog.kind); \/\/ \u300c\u722c\u866b\u985e\u300d\u3068\u8868\u793a\u3055\u308c\u308b\u3002\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3057\u3066\u3044\u308b\u3002\n<\/code><\/pre>\n<h2>\u300cprototype\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30ea\u30c6\u30e9\u30eb\u3092\u4e0a\u66f8\u304d\u3057\u305f\u5834\u5408\u300d\u306f\u7d99\u627f\u95a2\u4fc2\u304c\u7d76\u305f\u308c\u308b<\/h2>\n<p>prototype\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30ea\u30c6\u30e9\u30eb\u3067\u4e0a\u66f8\u304d\u3059\u308b\u3068\u7d99\u627f\u95a2\u4fc2\u304c\u7d76\u305f\u308c\u308b\u3088\u3046\u3067\u3059\u3002\u305d\u3046\u5224\u65ad\u3057\u305f\u306e\u306f\u4e0b\u8a18\u306e\u7d50\u679c\u304b\u3089\u3067\u3059\u3002<\/p>\n<pre><code class=\"language-javascript\">var Animal = function(){}; \nAnimal.prototype.kind = '\u54fa\u4e73\u985e';\n\nvar dog = new Animal(); \/\/ Animal\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092dog\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u7d99\u627f\u3059\u308b\nalert(dog.kind); \/\/ \u300c\u54fa\u4e73\u985e\u300d\u3068\u8868\u793a\u3055\u308c\u308b\n\n\/\/ \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30ea\u30c6\u30e9\u30eb\u3067\u4e0a\u66f8\u304d\u3059\u308b\nAnimal.prototype = {\n    kind: '\u722c\u866b\u985e'\n}\nalert(dog.kind); \/\/ \u300c\u54fa\u4e73\u985e\u300d\u3068\u8868\u793a\u3055\u308c\u308b\u3002\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u306f\u5f71\u97ff\u3092\u53ca\u307c\u3057\u3066\u3044\u306a\u3044\u3002\n\nAnimal.prototype.kind = '\u9b5a\u985e';\nalert(dog.kind); \/\/ \u300c\u54fa\u4e73\u985e\u300d\u3068\u8868\u793a\u3055\u308c\u308b\u3002\u7d99\u627f\u3055\u308c\u3066\u3044\u308c\u3070\u300c\u9b5a\u985e\u300d\u3068\u8868\u793a\u3055\u308c\u308b\u306f\u305a\u3002\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u3042\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4e0a\u66f8\u304d\u3059\u308b\u3068\u304d\u306b\u3001\u30c9\u30c3\u30c8\u6f14\u7b97\u5b50\u3092\u4f7f\u3063\u3066\u4e0a\u66f8\u304d\u3059\u308b\u65b9\u6cd5\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30ea\u30c6\u30e9\u30eb\u3067\u4e0a\u66f8\u304d\u3059\u308b\u65b9\u6cd5\u3067\u306f\u540c\u69d8\u306e\u7d50\u679c\u304c\u5f97\u3089\u308c\u307e\u3059\u3002\u3067\u3059\u304cprototype\u306e\u5834\u5408\u306f\u8a33\u304c\u9055\u3046\u3088\u3046\u3067\u3059\u3002\u5177\u4f53\u7684\u306a\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[5],"tags":[245,183],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8gd1W-l5","_links":{"self":[{"href":"https:\/\/codaholic.org\/index.php?rest_route=\/wp\/v2\/posts\/1307"}],"collection":[{"href":"https:\/\/codaholic.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/codaholic.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/codaholic.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/codaholic.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1307"}],"version-history":[{"count":16,"href":"https:\/\/codaholic.org\/index.php?rest_route=\/wp\/v2\/posts\/1307\/revisions"}],"predecessor-version":[{"id":2452,"href":"https:\/\/codaholic.org\/index.php?rest_route=\/wp\/v2\/posts\/1307\/revisions\/2452"}],"wp:attachment":[{"href":"https:\/\/codaholic.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1307"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/codaholic.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1307"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/codaholic.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1307"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}