{"id":527,"date":"2012-03-17T20:52:01","date_gmt":"2012-03-17T11:52:01","guid":{"rendered":"https:\/\/gunmagisgeek.com\/wordpress\/?p=527"},"modified":"2013-12-29T22:11:39","modified_gmt":"2013-12-29T13:11:39","slug":"post-527","status":"publish","type":"post","link":"https:\/\/gunmagisgeek.com\/blog\/javascript\/527","title":{"rendered":"\u914d\u5217\u3068arguments"},"content":{"rendered":"<p>\u5f15\u304d\u7d9a\u304d\u300c\u30c6\u30b9\u30c8\u99c6\u52d5JavaScript\u300d\u672c\u3092\u8aad\u3093\u3067\u52c9\u5f37\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u304c\u3001\u3061\u3087\u3063\u3068\u6df7\u4e71\u3057\u305f\u7b87\u6240\u304c\u3042\u3063\u305f\u306e\u3067\u30e1\u30e2\u3002<\/p>\n<p><iframe src=\"http:\/\/rcm-jp.amazon.co.jp\/e\/cm?t=toriaezu04b-22&#038;o=9&#038;p=8&#038;l=as1&#038;asins=4048707868&#038;ref=qf_sp_asin_til&#038;fc1=000000&#038;IS2=1&#038;lt1=_blank&#038;m=amazon&#038;lc1=0000FF&#038;bc1=000000&#038;bg1=FFFFFF&#038;f=ifr\" style=\"width:120px;height:240px;\" scrolling=\"no\" marginwidth=\"0\" marginheight=\"0\" frameborder=\"0\"><\/iframe><\/p>\n<p><!--more--><\/p>\n<p>\u300c\u7b2c11\u7ae0 Observer\u30d1\u30bf\u30fc\u30f3\u300d\u306e\u300c11.4.2 \u5f15\u6570\u3092\u6e21\u3059\u300d\u306e\u9805\u76ee\u3067\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u304c\u30c6\u30b9\u30c8\u3092\u5408\u683c\u3059\u308b\u3068\u8a18\u8ff0\u3055\u308c\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u2026\u2026<\/p>\n<p>\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\uff08\u30ea\u30b9\u30c8 11-24 notifyObservers \u306b\u6e21\u3055\u308c\u305f\u5f15\u6570\u304c\u89b3\u6e2c\u8005\u306b\u6e21\u3055\u308c\u308b\u3053\u3068\u3092\u78ba\u304b\u3081\u308b\uff09<\/p>\n<pre class=\"lang:js decode:true \" >&quot;test should pass through arguments&quot;:function(){\r\n    var observable = new tddjs.util.Observable();\r\n    var actual;\r\n    \r\n    observable.addObserver(function(){\r\n\t\tactual = arguments; \r\n    });\r\n \r\n    observable.notifyObservers(&quot;String&quot;, 1, 32);\r\n\r\n    assertEquals([&quot;String&quot;, 1, 32], actual);   \r\n}<\/pre>\n<p>\u5b9f\u88c5 (\u30ea\u30b9\u30c8 11-25 apply\u3092\u4f7f\u3063\u3066notifyObservers \u306b\u6e21\u3055\u308c\u305f\u5f15\u6570\u3092\u6e21\u3059)<\/p>\n<pre class=\"lang:js decode:true \" >function notifyObservers(){\r\n\tfor(var i=0, l=this.observers.length; i&lt; l; i++){\r\n\t\tthis.observers[i].apply(this, arguments);\r\n\t}    \r\n}<\/pre>\n<p>\u3053\u308c\u3060\u3068\u3001\u4f7f\u7528\u3059\u308b\u30c6\u30b9\u30c8\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306b\u3088\u3063\u3066\u306f\u5408\u683c\u3057\u307e\u305b\u3093\u3002<br \/>\n\u4f8b\u3048\u3070YUI\u306e\u30c6\u30b9\u30c8\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u306f\u5931\u6557\u3057\u307e\u3059\u3002(<a href=\"#1\">\u203b1<\/a>)<\/p>\n<p>arguments\u306f\u914d\u5217(Array)\u306b\u4f3c\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u304c\u3001\u914d\u5217\u3067\u306f\u7121\u3044\u306e\u3067\u4e0a\u8a18\u306e\u30c6\u30b9\u30c8\u304c\u5408\u683c\u3057\u3066\u3057\u307e\u3046\u306e\u306f\u5fae\u5999\u306a\u611f\u3058\u3067\u3059\u3002<br \/>\n\u3082\u3057\u3001\u3053\u306e\u30c6\u30b9\u30c8\u3092\u5408\u683c\u3055\u305b\u308b\u306e\u3067\u3042\u308c\u3070\u3001arguments\u3092\u914d\u5217\u306b\u5909\u63db\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3093\u3058\u3083\u306a\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>addObserve\u3067actual\u306b\u5f15\u6570\u3092\u914d\u5217\u306b\u5909\u63db\u3057\u3066\u304a\u3055\u3081\u308b<\/p>\n<pre class=\"lang:js decode:true \" >&quot;test should pass through arguments&quot;:function(){\r\n    var observable = new tddjs.util.Observable();\r\n    var actual=[];\r\n    \r\n    observable.addObserver(function(){\r\n            actual = Array.prototype.slice.call(arguments);\r\n    });\r\n    \r\n\r\n    observable.notifyObservers(&quot;String&quot;, 1, 32);\r\n\r\n    assertEquals([&quot;String&quot;, 1, 32], actual); \r\n    \r\n}<\/pre>\n<p><a name=\"1\"><\/a><br \/>\n\u5099\u8003<\/p>\n<p>YUI\u306eAssert.areEqual\u3067\u306f\u914d\u5217\u3092\u6bd4\u8f03\u3059\u308b\u3068\u300c\u53c2\u7167\u5143\u304c\u540c\u3058\u304b\u3069\u3046\u304b\u300d\u3092\u307f\u3066\u3044\u308b\u306e\u3067\u5931\u6557\u3057\u307e\u3059\u3002<br \/>\n<script type=\"text\/javascript\" src=\"http:\/\/jsdo.it\/blogparts\/zCUN\/js\"><\/script><\/p>\n<p class=\"ttlBpJsdoit\" style=\"width: 465px; margin: 0; text-align: right; font-size: 11px;\"><a href=\"http:\/\/jsdo.it\/_shimizu\/zCUN\" title=\"YUI\u306eAssert.areEqual\">YUI\u306eAssert.areEqual &#8211; jsdo.it &#8211; share JavaScript, HTML5 and CSS<\/a><\/p>\n<pre class=\"lang:js decode:true \" >Assert.areEqual([&quot;String&quot;, 1, 32], [&quot;String&quot;, 1, 32]); \/\/FAIL\u306b\u306a\u308b<\/pre>\n<p>\u4e0a\u8a18\u304c\u5931\u6557\u3059\u308b\u306e\u306f\u3001\u305d\u308c\u306f\u305d\u308c\u3067\u5fae\u5999\u306a\u611f\u3058\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f15\u304d\u7d9a\u304d\u300c\u30c6\u30b9\u30c8\u99c6\u52d5JavaScript\u300d\u672c\u3092\u8aad\u3093&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,14],"tags":[],"class_list":["post-527","post","type-post","status-publish","format-standard","hentry","category-javascript","category-tdd"],"_links":{"self":[{"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/posts\/527","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/comments?post=527"}],"version-history":[{"count":19,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/posts\/527\/revisions"}],"predecessor-version":[{"id":3261,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/posts\/527\/revisions\/3261"}],"wp:attachment":[{"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/media?parent=527"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/categories?post=527"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/tags?post=527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}