{"id":32,"date":"2007-07-20T18:11:56","date_gmt":"2007-07-20T22:11:56","guid":{"rendered":"http:\/\/prglab.com\/blog\/js-boolean"},"modified":"2007-08-25T14:12:46","modified_gmt":"2007-08-25T18:12:46","slug":"js-boolean","status":"publish","type":"page","link":"https:\/\/www.prglab.com\/blog\/js-tutorial\/js-boolean","title":{"rendered":"JavaScript \u5e03\u5c14\u5bf9\u8c61(Boolean Object)"},"content":{"rendered":"

JavaScript\u4e2d\u5e03\u5c14\u5bf9\u8c61(Boolean object)\u7528\u6765\u5c06\u975e\u5e03\u5c14\u503c\u8f6c\u6362\u4e3a\u5e03\u5c14\u503c(true or false)\u3002<\/p>\n

————————————————————————————<\/p>\n

\u5e03\u5c14\u5bf9\u8c61(Boolean Object)<\/h2>\n

\u5e03\u5c14\u5bf9\u8c61\u662f\u4e00\u4e2a\u5e03\u5c14\u503c\u7684\u5bf9\u8c61\u5c01\u88c5\u3002\u5e03\u5c14\u5bf9\u8c61\u7528\u6765\u5c06\u975e\u5e03\u5c14\u503c\u8f6c\u6362\u4e3a\u5e03\u5c14\u578b\u503c\u3002<\/p>\n

\u6211\u4eec\u540c\u6837\u4f7f\u7528\u5173\u952e\u5b57new\u6765\u5b9a\u4e49\u4e00\u4e2a\u5e03\u5c14\u5bf9\u8c61\u3002\u4e0b\u9762\u4ee3\u7801\u5b9a\u4e49\u4e86\u4e00\u4e2a\u53eb\u505amyBoolean\u7684\u5e03\u5c14\u5bf9\u8c61\uff1a<\/p>\n\n\n
\nvar myBoolean=new Boolean()\n<\/td>\n<\/tr>\n<\/table>\n

\u6ce8\u610f\uff1a<\/strong>\u5982\u679c\u4e00\u4e2a\u5e03\u5c14\u5bf9\u8c61\u6ca1\u6709\u521d\u59cb\u503c\u6216\u521d\u59cb\u503c\u4e3a0, -0, null, “”, false, \u672a\u5b9a\u4e49, \u6216NaN\uff0c\u8fd9\u4e2a\u5bf9\u8c61\u90fd\u4f1a\u88ab\u8bbe\u7f6e\u4e3afalse\u3002\u5426\u5219\u5b83\u5c31\u662ftrue (\u5373\u4f7f\u662f\u5b57\u7b26\u7a9c”false”\uff0c\u5b83\u7684\u5e03\u5c14\u5bf9\u5e94\u503c\u4e5f\u662ftrue)!<\/p>\n

\u56e0\u6b64\uff0c\u6240\u6709\u4ee5\u4e0b\u5404\u884c\u4ee3\u7801\u5168\u90e8\u751f\u6210\u521d\u59cb\u503c\u4e3afalse\u7684\u5e03\u5c14\u5bf9\u8c61\uff1a<\/p>\n\n\n
\nvar myBoolean=new Boolean()
\nvar myBoolean=new Boolean(0)
\nvar myBoolean=new Boolean(null)
\nvar myBoolean=new Boolean(“”)
\nvar myBoolean=new Boolean(false)
\nvar myBoolean=new Boolean(NaN)\n<\/td>\n<\/tr>\n<\/table>\n

\u800c\u6240\u6709\u4ee5\u4e0b\u5404\u884c\u4ee3\u7801\u5168\u90e8\u751f\u6210\u521d\u59cb\u503c\u4e3atrue\u7684\u5e03\u5c14\u5bf9\u8c61\uff1a<\/p>\n\n\n
\nvar myBoolean=new Boolean(true)
\nvar myBoolean=new Boolean(“true”)
\nvar myBoolean=new Boolean(“false”)
\nvar myBoolean=new Boolean(“Richard”)\n<\/td>\n<\/tr>\n<\/table>\n
\n","protected":false},"excerpt":{"rendered":"

JavaScript\u4e2d\u5e03\u5c14\u5bf9\u8c61(Boolean object)\u7528\u6765\u5c06\u975e\u5e03\u5c14\u503c\u8f6c\u6362\u4e3a\u5e03\u5c14\u503c(true or false)\u3002 ———————————————————————————— \u5e03\u5c14\u5bf9\u8c61(Boolean Object) \u5e03\u5c14\u5bf9\u8c61\u662f\u4e00\u4e2a\u5e03\u5c14\u503c\u7684\u5bf9\u8c61\u5c01\u88c5\u3002\u5e03\u5c14\u5bf9\u8c61\u7528\u6765\u5c06\u975e\u5e03\u5c14\u503c\u8f6c\u6362\u4e3a\u5e03\u5c14\u578b\u503c\u3002 \u6211\u4eec\u540c\u6837\u4f7f\u7528\u5173\u952e\u5b57new\u6765\u5b9a\u4e49\u4e00\u4e2a\u5e03\u5c14\u5bf9\u8c61\u3002\u4e0b\u9762\u4ee3\u7801\u5b9a\u4e49\u4e86\u4e00\u4e2a\u53eb\u505amyBoolean\u7684\u5e03\u5c14\u5bf9\u8c61\uff1a var myBoolean=new Boolean() \u6ce8\u610f\uff1a\u5982\u679c\u4e00\u4e2a\u5e03\u5c14\u5bf9\u8c61\u6ca1\u6709\u521d\u59cb\u503c\u6216\u521d\u59cb\u503c\u4e3a0, -0, null, “”, false, \u672a\u5b9a\u4e49, \u6216NaN\uff0c\u8fd9\u4e2a\u5bf9\u8c61\u90fd\u4f1a\u88ab\u8bbe\u7f6e\u4e3afalse\u3002\u5426\u5219\u5b83\u5c31\u662ftrue (\u5373\u4f7f\u662f\u5b57\u7b26\u7a9c”false”\uff0c\u5b83\u7684\u5e03\u5c14\u5bf9\u5e94\u503c\u4e5f\u662ftrue)! \u56e0\u6b64\uff0c\u6240\u6709\u4ee5\u4e0b\u5404\u884c\u4ee3\u7801\u5168\u90e8\u751f\u6210\u521d\u59cb\u503c\u4e3afalse\u7684\u5e03\u5c14\u5bf9\u8c61\uff1a var myBoolean=new Boolean() var myBoolean=new Boolean(0) var myBoolean=new Boolean(null) var myBoolean=new Boolean(“”) var myBoolean=new Boolean(false) var myBoolean=new Boolean(NaN) \u800c\u6240\u6709\u4ee5\u4e0b\u5404\u884c\u4ee3\u7801\u5168\u90e8\u751f\u6210\u521d\u59cb\u503c\u4e3atrue\u7684\u5e03\u5c14\u5bf9\u8c61\uff1a var myBoolean=new Boolean(true) var myBoolean=new Boolean(“true”) var myBoolean=new Boolean(“false”) var myBoolean=new Boolean(“Richard”)<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":3,"menu_order":22,"comment_status":"open","ping_status":"open","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/pages\/32"}],"collection":[{"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/comments?post=32"}],"version-history":[{"count":0,"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/pages\/32\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/pages\/3"}],"wp:attachment":[{"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/media?parent=32"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}