{"id":1306,"date":"2011-09-04T22:40:37","date_gmt":"2011-09-04T13:40:37","guid":{"rendered":"http:\/\/www.webcyou.com\/?p=1306"},"modified":"2012-02-10T02:22:11","modified_gmt":"2012-02-09T17:22:11","slug":"javascript-%e6%88%bb%e3%82%8a%e5%80%a4","status":"publish","type":"post","link":"https:\/\/www.webcyou.com\/?p=1306","title":{"rendered":"JavaScript \u623b\u308a\u5024"},"content":{"rendered":"

\u95a2\u6570\u304c\u8fd4\u3059\u7d50\u679c\u3092\u623b\u308a\u5024\u3068\u8a00\u3044\u307e\u3059\u3002
\n \u623b\u308a\u5024\u3092\u4f7f\u3046\u3068\u3001\u5f15\u6570\u3092\u5143\u306b\u8a08\u7b97\u3092\u884c\u3044\u3001\u305d\u306e\u7d50\u679c\u306b\u5fdc\u3058\u69d8\u3005\u306a\u5024\u3092\u8fd4\u3059\u95a2\u6570\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u95a2\u6570\u306e\u4e2d\u3067\u623b\u308a\u5024\u3092\u8a18\u8ff0\u3059\u308b\u306b\u306f\u3001return\u6587\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n

return \u623b\u308a\u5024;
\n <\/strong><\/p>\n

\u4f8b\uff1a<\/strong><\/p>\n

<script type="text\/javascript">\r\nfunction circle(r){\r\narea = r * r * 3.14;\r\nreturn area;\r\n}\r\na = circle(10);\r\ndocument.write("\u5186\u306e\u9762\u7a4d\u306f\u3001" + a);\r\n<\/script>\r\n<\/pre>\n<\/p>\n
\u7d50\u679c\uff1a<\/strong><\/p>\n
\u5186\u306e\u9762\u7a4d\u306f\u3001314<\/p>\n
\u4e0a\u8a18\u306escript\u4f8b\u306f\u5186\u306e\u9762\u7a4d\u3092\u6c42\u3081\u308b\u95a2\u6570\u3067\u3059\u304c\u3001\u95a2\u6570\u5185\u3067\u9762\u7a4d\u306e\u8868\u793a\u306f\u305b\u305a\u3001<\/p>\n
return\u6587\u3092\u4f7f\u3044\u9762\u7a4d\u306e\u6570\u5024\u3092\u623b\u308a\u5024\u306b\u3057\u3066\u3044\u307e\u3059\u3002
\n \u300ca = circle(10)\u300d\u3068\u3059\u308b\u3068\u3001\u5909\u6570a\u306b\u306f\u5f15\u657010\u306b\u3057\u3066\u547c\u3073\u51fa\u3057\u305f\u95a2\u6570circle\u306e\u623b\u308a\u5024\u304c\u4ee3\u5165\u3055\u308c\u3001
\n \u7d50\u679c \u300c\u5186\u306e\u9762\u7a4d\u306f\u3001314\u300d\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
return\u6587\u304c\u4f7f\u308f\u308c\u308b\u3068\u3001\u305d\u3053\u3067\u95a2\u6570\u306e\u5b9f\u884c\u304c\u4e2d\u65ad\u3055\u308c\u308b\u3053\u3068\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n
\u4f8b\uff1a<\/strong><\/p>\n
<script type="text\/javascript">\r\nfunction circle(r){\r\nif(r < 0) return;\r\narea = r * r * 3.14;\r\nreturn area;\r\n}\r\ndocument.write("\u5186\u306e\u9762\u7a4d\u306f\u3001" + circle(10) + "<br>");\r\ndocument.write("\u5186\u306e\u9762\u7a4d\u306f\u3001" + circle(-6));\r\n<\/script>\r\n<\/pre>\n<\/p>\n
\u7d50\u679c\uff1a<\/strong><\/p>\n
\u5186\u306e\u9762\u7a4d\u306f\u3001314
\n \u5186\u306e\u9762\u7a4d\u306f\u3001undefined<\/p>\n
\n\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u5f15\u6570\u306e\u5024\u304c\u30de\u30a4\u30ca\u30b9\u3060\u3063\u305f\u5834\u5408\u3001\u623b\u308a\u5024\u306e\u306a\u3044return\u6587\u3067\u95a2\u6570\u3092\u4e2d\u65ad\u3057\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n
\u3053\u306ereturn\u6587\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3068\u3001 area =  r * r * 3.14;\u301c\u4ee5\u964d\u306e\u8a08\u7b97\u306f\u884c\u308f\u308c\u306a\u3044\u7d50\u679c\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u95a2\u6570\u304c\u623b\u308a\u5024\u3092\u8fd4\u3055\u306a\u304b\u3063\u305f\u308a\u3001\u623b\u308a\u5024\u306e\u306a\u3044return\u6587\u3092\u4f7f\u7528\u3057\u305f\u5834\u5408<\/p>\n
\u95a2\u6570\u306e\u623b\u308a\u5024\u306funder fined<\/strong>\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u623b\u308a\u5024\u306e\u3042\u308b\u95a2\u6570\u306e\u4f7f\u3044\u65b9<\/strong><\/p>\n
a  = circle(10) + 100; \/\/\u623b\u308a\u5024\u3068\u6570\u5024\u306e\u8db3\u3057\u7b97<\/p>\n
if(circle(10) > 400){ \u2026 } \/\/\u623b\u308a\u5024\u3068\u6570\u5024\u306e\u6bd4\u8f03<\/p>\n
somefunc(circle(10),300); \/\/\u623b\u308a\u5024\u3092\u5f15\u6570\u306b\u6e21\u3059<\/p>\n
\u5024\u3092\u8fd4\u3055\u306a\u3044return\u6587<\/strong><\/p>\n
\u623b\u308a\u5024\u306e\u306a\u3044return\u6587\u306f\u3001\u95a2\u6570\u306e\u5b9f\u884c\u3092\u4e2d\u65ad\u3059\u308b\u306e\u306b\u4f7f\u3048\u307e\u3059\u3002<\/p>\n
if\u6587\u306b\u9577\u5927\u306a\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u8a18\u8ff0\u3057\u305f\u95a2\u6570\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002<\/p>\n
function animation(){\r\nif(\u4f55\u304b\u306e\u6761\u4ef6){\r\n\u9577\u5927\u306a\u30b9\u30af\u30ea\u30d7\u30c8\u2026\r\n}\r\n}<\/pre>\n<\/p>\n
\u3053\u308c\u3092\u30b9\u30c3\u30ad\u30ea<\/p>\n
function animation(){\r\nif(!\u4f55\u304b\u306e\u6761\u4ef6) return;\r\n\u9577\u5927\u306a\u30b9\u30af\u30ea\u30d7\u30c8\u2026\r\n}<\/pre>\n<\/p>\n
\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u95a2\u6570\u304c\u8fd4\u3059\u7d50\u679c\u3092\u623b\u308a\u5024\u3068\u8a00\u3044\u307e\u3059\u3002 \u623b\u308a\u5024\u3092\u4f7f\u3046\u3068\u3001\u5f15\u6570\u3092\u5143\u306b\u8a08\u7b97\u3092\u884c\u3044\u3001\u305d\u306e\u7d50\u679c\u306b\u5fdc\u3058\u69d8\u3005\u306a\u5024\u3092\u8fd4\u3059\u95a2\u6570\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u95a2\u6570\u306e\u4e2d\u3067\u623b\u308a\u5024\u3092\u8a18\u8ff0\u3059\u308b\u306b\u306f\u3001return\u6587\u3092\u4f7f\u3044\u307e\u3059\u3002 return \u623b\u308a\u5024; \u4f8b\uff1a  […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[47,46],"class_list":["post-1306","post","type-post","status-publish","format-standard","hentry","category-javascript","tag-javascript-2","tag-js"],"_links":{"self":[{"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/posts\/1306","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1306"}],"version-history":[{"count":6,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/posts\/1306\/revisions"}],"predecessor-version":[{"id":2935,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/posts\/1306\/revisions\/2935"}],"wp:attachment":[{"href":"https:\/\/www.webcyou.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1306"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}