{"id":6225,"date":"2014-06-21T22:50:12","date_gmt":"2014-06-21T13:50:12","guid":{"rendered":"http:\/\/rentan.org\/blog\/?p=6225"},"modified":"2014-06-21T22:50:12","modified_gmt":"2014-06-21T13:50:12","slug":"dmonkey-call-apply-problem","status":"publish","type":"post","link":"https:\/\/rentan.org\/blog\/2014\/06\/21\/dmonkey-call-apply-problem\/","title":{"rendered":"DMonkey: .call()\/.apply() \u306e\u554f\u984c\u70b9"},"content":{"rendered":"<pre class=\"prog_code dmonkey\">\r\n<code>\/\/ \u3053\u306e\u3088\u3046\u306a\u95a2\u6570\u3092\r\nArray.prototype.map = function (callback) {\r\n  \uff5e\r\n};\r\n\r\n\/\/ \u3053\u306e\u3088\u3046\u306b\u547c\u3073\u51fa\u3059\u3068\r\nArray.prototype.map.call ('foo', function (x) { \uff5e });\r\n\r\n\/\/ \u4ee5\u964d\u3001map \u304c\u52dd\u624b\u306b fcfCall \u30e2\u30fc\u30c9\u3067\u52d5\u4f5c\u3057\u3066\u3057\u307e\u3046\r\nvar a = [ \uff5e ].map (function (x) { \uff5e });<\/code>\r\n<\/pre>\n<p>\u305f\u3060\u3001\u7d44\u307f\u8fbc\u307f\u30e1\u30bd\u30c3\u30c9\u306f <code>.call<\/code>\u3001<code>.apply<\/code> \u306b\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308b\u306e\u3067\u3001DMonkey \u3067\u306f\u300c\u666e\u901a\u306e\u547c\u3073\u51fa\u3057\u65b9\u3067\u3082 <code>.call()<\/code> \u307e\u305f\u306f <code>.apply()<\/code> \u3067\u3082\u4f7f\u3048\u308b\u300d\u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u306f\u307e\u305a\u898b\u304b\u3051\u307e\u305b\u3093\u3002<\/p>\n<p>\u4eca\u56de\u306e\u4f8b\u306e\u3088\u3046\u306b\u30dd\u30ea\u30d5\u30a3\u30eb\u3092\u5b9f\u88c5\u3059\u308b\u306a\u3089\u3001<code>.call<\/code>\u3001<code>.apply<\/code> \u306f\u4f7f\u3048\u306a\u3044\u3068\u8aac\u660e\u3057\u3066\u304a\u3051\u3070\u3088\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"prog_code dmonkey\">\r\n<code>var s = new String ('foo');\r\ns.map = Array.prototype.map;<\/code>\r\n<\/pre>\n<p>\u306e\u3088\u3046\u306a\u547c\u3073\u51fa\u3057\u65b9\u3067\u3042\u308c\u3070\u554f\u984c\u306a\u3044\u306f\u305a\u3067\u3059\u3002<\/p>\n<p>\u306a\u304a\u3001\u95a2\u6570\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092 <code>this<\/code> \u306b\u5272\u308a\u5f53\u3066\u3088\u3046\u3068\u3059\u308b\u3068 <code>Global<\/code> \u306b\u5dee\u3057\u66ff\u3048\u3089\u308c\u308b\u3088\u3046\u3067\u3059(\u8a73\u7d30\u306f\u672a\u8abf\u67fb)\u3002<\/p>\n<p>\u4eca\u56de\u306e\u8a18\u4e8b\u306f\u52e2\u3044\u3067\u66f8\u3044\u305f\u306e\u3067\u3069\u3053\u304b\u9593\u9055\u3044\u304c\u3042\u308b\u304b\u3082\u77e5\u308c\u306a\u3044\u306e\u3067\u3054\u6ce8\u610f\u4e0b\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\/\/ \u3053\u306e\u3088\u3046\u306a\u95a2\u6570\u3092 Array.prototype.map = function (callback) { \uff5e }; \/\/ \u3053\u306e\u3088\u3046\u306b\u547c\u3073\u51fa\u3059\u3068 Array.prototype.map.call ('foo', fu [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[640],"tags":[1191],"class_list":["post-6225","post","type-post","status-publish","format-standard","hentry","category-irvine","tag-dmonkey"],"_links":{"self":[{"href":"https:\/\/rentan.org\/blog\/wp-json\/wp\/v2\/posts\/6225","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rentan.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rentan.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rentan.org\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/rentan.org\/blog\/wp-json\/wp\/v2\/comments?post=6225"}],"version-history":[{"count":3,"href":"https:\/\/rentan.org\/blog\/wp-json\/wp\/v2\/posts\/6225\/revisions"}],"predecessor-version":[{"id":6228,"href":"https:\/\/rentan.org\/blog\/wp-json\/wp\/v2\/posts\/6225\/revisions\/6228"}],"wp:attachment":[{"href":"https:\/\/rentan.org\/blog\/wp-json\/wp\/v2\/media?parent=6225"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rentan.org\/blog\/wp-json\/wp\/v2\/categories?post=6225"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rentan.org\/blog\/wp-json\/wp\/v2\/tags?post=6225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}