{"id":2736,"date":"2017-01-17T11:22:37","date_gmt":"2017-01-17T02:22:37","guid":{"rendered":"http:\/\/stuffy.dip.jp\/wordpress\/?p=2736"},"modified":"2017-05-29T16:15:30","modified_gmt":"2017-05-29T07:15:30","slug":"truth-of-nan","status":"publish","type":"post","link":"https:\/\/www.stuffy.site\/wordpress\/?p=2736","title":{"rendered":"NaN\u306e\u771f\u5b9f"},"content":{"rendered":"<p>\u672a\u5b9a\u7fa9\u5024\u306e\u5909\u6570\u3092\u8a08\u7b97\u3001\u51fa\u529b\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001NaN\uff08Not a Number\uff09\u304c\u3067\u307e\u3059\u3002<\/p>\n<pre class=\"brush: actionscript3; gutter: false; first-line: 1\">typeof NaN === 'Number'\u00a0\u00a0 \/\/true (NaN\u306fNumber\u30aa\u30d6\u30b8\u30a7\u30af\u30c8)\r\nNaN === NaN \u00a0\u00a0\u00a0 \u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\/\/false \uff08NaN\u306f\u81ea\u5206\u81ea\u8eab\u3067\u306f\u306a\u3044\uff1f\uff09\r\n NaN ===!NaN\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/true\u3000\uff08NaN\u306fNaN\u3067\u306f\u306a\u3044\u304c\u6b63\u89e3\uff1f\uff09<\/pre>\n<pre class=\"brush: actionscript3; gutter: true; first-line: 1\"><span style=\"font-size: 10pt;\">var arg;\r\nvar arm = function() {\r\n\u00a0\u00a0\u00a0 arg += 6;\r\n\u00a0 return arg;\r\n}\r\nalert(arm());<\/span><\/pre>\n<p>\u672a\u5b9a\u7fa9\u5024\u3092\u4ee3\u5165\u3001\u53c2\u7167\u3059\u308b\u3068<\/p>\n<p><a href=\"https:\/\/www.stuffy.site\/wordpress\/wp-content\/uploads\/2017\/01\/2017-01-17.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2737\" src=\"https:\/\/www.stuffy.site\/wordpress\/wp-content\/uploads\/2017\/01\/2017-01-17.png\" alt=\"\" width=\"174\" height=\"166\" \/><\/a><\/p>\n<pre class=\"brush: actionscript3; gutter: false; first-line: 1\"><span style=\"font-size: 10pt;\">var arg;\r\nvar arm = function() {\r\n\u00a0\u00a0\u00a0 arg += 6;\r\n\u00a0 return arg;\r\n}\r\nalert(arg);<\/span><\/pre>\n<p>\u672a\u5b9a\u7fa9\u5024\uff08\u30b0\u30ed\u30fc\u30d0\u30eb\u5909\u6570\u306e\u53c2\u7167\uff09\u306f\u3001<\/p>\n<p><a href=\"https:\/\/www.stuffy.site\/wordpress\/wp-content\/uploads\/2017\/01\/2017-01-17-1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2742\" src=\"https:\/\/www.stuffy.site\/wordpress\/wp-content\/uploads\/2017\/01\/2017-01-17-1.png\" alt=\"\" width=\"174\" height=\"165\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672a\u5b9a\u7fa9\u5024\u306e\u5909\u6570\u3092\u8a08\u7b97\u3001\u51fa\u529b\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001NaN\uff08Not a Number\uff09\u304c\u3067\u307e\u3059\u3002 typeof NaN === &#8216;Number&#8217;\u00a0\u00a0 \/\/true (NaN\u306fNumber\u30aa\u30d6\u30b8\u30a7\u30af\u30c8) NaN === NaN \u00a0\u00a0 &hellip; <a href=\"https:\/\/www.stuffy.site\/wordpress\/?p=2736\" class=\"more-link\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"screen-reader-text\">NaN\u306e\u771f\u5b9f<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87,5],"tags":[],"class_list":["post-2736","post","type-post","status-publish","format-standard","hentry","category-javascript","category-software"],"_links":{"self":[{"href":"https:\/\/www.stuffy.site\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2736","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stuffy.site\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.stuffy.site\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.stuffy.site\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stuffy.site\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2736"}],"version-history":[{"count":6,"href":"https:\/\/www.stuffy.site\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2736\/revisions"}],"predecessor-version":[{"id":2765,"href":"https:\/\/www.stuffy.site\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2736\/revisions\/2765"}],"wp:attachment":[{"href":"https:\/\/www.stuffy.site\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2736"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stuffy.site\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2736"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stuffy.site\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2736"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}