{"id":5326,"date":"2023-01-05T12:27:30","date_gmt":"2023-01-05T04:27:30","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5326"},"modified":"2023-01-05T12:27:30","modified_gmt":"2023-01-05T04:27:30","slug":"%e4%ba%86%e8%a7%a3typescript%e4%b8%ad%e7%9a%84boolean%e8%b3%87%e6%96%99%e5%9e%8b%e5%88%a5","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e4%ba%86%e8%a7%a3typescript%e4%b8%ad%e7%9a%84boolean%e8%b3%87%e6%96%99%e5%9e%8b%e5%88%a5\/","title":{"rendered":"\u4e86\u89e3TypeScript\u4e2d\u7684Boolean\u8cc7\u6599\u578b\u5225"},"content":{"rendered":"

<\/p>\n

TypeScript \u4e2d\u7684 Boolean<\/h1>\n

TypeScript \u662f\u4e00\u7a2e JavaScript \u7684\u8d85\u96c6\uff0c\u5b83\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u529f\u80fd\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u652f\u6301 Boolean<\/strong> \u985e\u578b\u3002Boolean \u985e\u578b\u53ef\u4ee5\u7528\u4f86\u8868\u793a\u771f\u5047\uff0c\u5b83\u53ea\u6709\u5169\u500b\u503c\uff1atrue \u548c false\u3002<\/p>\n

\u5728 TypeScript \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 boolean<\/code> \u985e\u578b\u4f86\u5ba3\u544a\u4e00\u500b\u8b8a\u6578\uff1a<\/p>\n

\nlet isDone: boolean = false;\n<\/pre>\n
\u5728 TypeScript \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 boolean<\/code> \u985e\u578b\u4f86\u8868\u793a\u771f\u5047\uff0c\u4f8b\u5982\uff1a<\/p>\n
\nlet isValid: boolean = true;\nif (isValid) {\n  console.log(\"The value is valid!\");\n}\n<\/pre>\n
\u5728 TypeScript \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 boolean<\/code> \u985e\u578b\u4f86\u8868\u793a\u689d\u4ef6\u5224\u65b7\uff0c\u4f8b\u5982\uff1a<\/p>\n
\nlet isReady: boolean = false;\nif (isReady) {\n  console.log(\"The value is ready!\");\n} else {\n  console.log(\"The value is not ready!\");\n}\n<\/pre>\n
\u5728 TypeScript \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 boolean<\/code> \u985e\u578b\u4f86\u8868\u793a\u5faa\u74b0\uff0c\u4f8b\u5982\uff1a<\/p>\n
\nlet isRunning: boolean = true;\nwhile (isRunning) {\n  console.log(\"The loop is running!\");\n  isRunning = false;\n}\n<\/pre>\n
\u5728 TypeScript \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 boolean<\/code> \u985e\u578b\u4f86\u8868\u793a\u51fd\u6578\u7684\u8fd4\u56de\u503c\uff0c\u4f8b\u5982\uff1a<\/p>\n
\nfunction isValid(): boolean {\n  \/\/ Do something\n  return true;\n}\n\nif (isValid()) {\n  console.log(\"The value is valid!\");\n}\n<\/pre>\n
\u7e3d\u7d50\u4f86\u8aaa\uff0cBoolean<\/strong> \u985e\u578b\u662f TypeScript \u4e2d\u4e00\u500b\u975e\u5e38\u91cd\u8981\u7684\u985e\u578b\uff0c\u5b83\u53ef\u4ee5\u7528\u4f86\u8868\u793a\u771f\u5047\u3001\u689d\u4ef6\u5224\u65b7\u3001\u5faa\u74b0\u548c\u51fd\u6578\u7684\u8fd4\u56de\u503c\u3002<\/p>\n
<\/p>\n
Boolean \u985e\u578b\u7684\u61c9\u7528<\/h2>\n
Boolean \u985e\u578b\u5728 TypeScript \u4e2d\u6709\u8a31\u591a\u61c9\u7528\uff0c\u4f8b\u5982\uff1a<\/p>\n
    \n
  • \u53ef\u4ee5\u7528\u4f86\u8868\u793a\u771f\u5047\uff0c\u4f8b\u5982\uff1alet isValid: boolean = true;<\/code><\/li>\n
  • \u53ef\u4ee5\u7528\u4f86\u8868\u793a\u689d\u4ef6\u5224\u65b7\uff0c\u4f8b\u5982\uff1aif (isValid) { ... }<\/code><\/li>\n
  • \u53ef\u4ee5\u7528\u4f86\u8868\u793a\u5faa\u74b0\uff0c\u4f8b\u5982\uff1awhile (isRunning) { ... }<\/code><\/li>\n
  • \u53ef\u4ee5\u7528\u4f86\u8868\u793a\u51fd\u6578\u7684\u8fd4\u56de\u503c\uff0c\u4f8b\u5982\uff1afunction isValid(): boolean { ... }<\/code><\/li>\n<\/ul>\n
    \u56e0\u6b64\uff0cBoolean<\/strong> \u985e\u578b\u5728 TypeScript \u4e2d\u662f\u4e00\u500b\u975e\u5e38\u91cd\u8981\u7684\u985e\u578b\uff0c\u5b83\u53ef\u4ee5\u7528\u4f86\u8868\u793a\u771f\u5047\u3001\u689d\u4ef6\u5224\u65b7\u3001\u5faa\u74b0\u548c\u51fd\u6578\u7684\u8fd4\u56de\u503c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u4e86\u89e3TypeScript\u4e2d\u7684Boolean\u8cc7\u6599\u578b\u5225\uff0c\u5b83\u662f\u4e00\u7a2e\u5e03\u6797\u503c\uff0c\u53ef\u4ee5\u7528\u4f86\u8868\u793a\u771f\u5047\uff0c\u53ef\u4ee5\u7528\u4f86\u6bd4\u8f03\u5169\u500b\u503c\u662f\u5426\u76f8\u7b49\uff0c\u4e5f\u53ef\u4ee5\u7528\u4f86\u63a7\u5236\u7a0b\u5f0f\u7684\u6d41\u7a0b\u3002\u672c\u6587\u5c07\u4ecb\u7d39TypeScript\u4e2d\u7684Boolean\u8cc7\u6599\u578b\u5225\uff0c\u4ee5\u53ca\u5b83\u7684\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[187],"tags":[186],"class_list":["post-5326","post","type-post","status-publish","format-standard","hentry","category-typescript","tag-typescript"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-1nU","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5326","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=5326"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5326\/revisions"}],"predecessor-version":[{"id":5327,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5326\/revisions\/5327"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5326"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5326"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}