{"id":4980,"date":"2023-01-05T11:32:12","date_gmt":"2023-01-05T03:32:12","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=4980"},"modified":"2023-01-05T11:32:12","modified_gmt":"2023-01-05T03:32:12","slug":"%e4%ba%86%e8%a7%a3typescript%e5%ad%97%e4%b8%b2%e7%9a%84%e9%a6%96%e5%ad%97%e6%af%8d%e5%b0%8f%e5%af%abtolowercase%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e4%ba%86%e8%a7%a3typescript%e5%ad%97%e4%b8%b2%e7%9a%84%e9%a6%96%e5%ad%97%e6%af%8d%e5%b0%8f%e5%af%abtolowercase%e5%8a%9f%e8%83%bd\/","title":{"rendered":"\u4e86\u89e3TypeScript\u5b57\u4e32\u7684\u9996\u5b57\u6bcd\u5c0f\u5beb(toLowerCase)\u529f\u80fd"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, \u5b57\u4e32, \u9996\u5b57\u6bcd\u5c0f\u5beb, toLowerCase\"><\/p>\n<p>TypeScript \u662f\u4e00\u7a2e JavaScript \u7684\u8d85\u96c6\uff0c\u5b83\u64c1\u6709\u66f4\u591a\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u958b\u767c\u51fa\u66f4\u512a\u8cea\u7684\u7a0b\u5f0f\u78bc\u3002\u5176\u4e2d\u4e00\u500b\u529f\u80fd\u5c31\u662f\u53ef\u4ee5\u5c07\u5b57\u4e32\u7684\u9996\u5b57\u6bcd\u8f49\u63db\u70ba\u5c0f\u5beb\uff0c\u9019\u500b\u529f\u80fd\u53ef\u4ee5\u900f\u904e toLowerCase() \u4f86\u5b8c\u6210\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u5728 TypeScript \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 toLowerCase() \u4f86\u5c07\u5b57\u4e32\u7684\u9996\u5b57\u6bcd\u8f49\u63db\u70ba\u5c0f\u5beb\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u5c0d\u5b57\u4e32\u9032\u884c\u8655\u7406\u3002\u8209\u500b\u4f8b\u5b50\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u5b57\u4e32 &#8220;Hello World&#8221;\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 toLowerCase() \u4f86\u5c07\u5b83\u8f49\u63db\u70ba &#8220;hello world&#8221;\uff1a<\/p>\n<pre class=\"brush: typescript\">\nlet str = \"Hello World\";\nlet lowerStr = str.toLowerCase();\nconsole.log(lowerStr); \/\/ hello world\n<\/pre>\n<h2>\u4f7f\u7528 toLowerCase() \u7684\u512a\u9ede<\/h2>\n<p>\u4f7f\u7528 toLowerCase() \u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u5c0d\u5b57\u4e32\u9032\u884c\u8655\u7406\uff0c\u800c\u4e0d\u9700\u8981\u81ea\u5df1\u5beb\u51fa\u8907\u96dc\u7684\u7a0b\u5f0f\u78bc\u3002\u53e6\u5916\uff0c\u5b83\u4e5f\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u5c0d\u5b57\u4e32\u9032\u884c\u6bd4\u8f03\uff0c\u56e0\u70ba\u5c07\u5b57\u4e32\u8f49\u63db\u70ba\u5c0f\u5beb\u5f8c\uff0c\u5c31\u53ef\u4ee5\u6bd4\u8f03\u5169\u500b\u5b57\u4e32\u662f\u5426\u76f8\u7b49\uff0c\u800c\u4e0d\u9700\u8981\u8003\u616e\u5927\u5c0f\u5beb\u7684\u554f\u984c\u3002<\/p>\n<h2>\u7e3d\u7d50<\/h2>\n<p>TypeScript \u63d0\u4f9b\u4e86\u4e00\u500b\u5f88\u65b9\u4fbf\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u5c07\u5b57\u4e32\u7684\u9996\u5b57\u6bcd\u8f49\u63db\u70ba\u5c0f\u5beb\uff0c\u9019\u500b\u529f\u80fd\u53ef\u4ee5\u900f\u904e toLowerCase() \u4f86\u5b8c\u6210\u3002\u4f7f\u7528 toLowerCase() \u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u5c0d\u5b57\u4e32\u9032\u884c\u8655\u7406\uff0c\u800c\u4e0d\u9700\u8981\u81ea\u5df1\u5beb\u51fa\u8907\u96dc\u7684\u7a0b\u5f0f\u78bc\uff0c\u4e5f\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u5c0d\u5b57\u4e32\u9032\u884c\u6bd4\u8f03\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u5c07\u4ecb\u7d39TypeScript\u4e2d\u5b57\u4e32\u7684\u9996\u5b57\u6bcd\u5c0f\u5beb(toLowerCase)\u529f\u80fd\uff0c\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528toLowerCase()\u51fd\u6578\u5c07\u5b57\u4e32\u8f49\u63db\u70ba\u5c0f\u5beb\uff0c\u4ee5\u53ca\u5b83\u7684\u512a\u9ede\u548c\u7f3a\u9ede\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-4980","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\/pcFK27-1ik","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4980","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=4980"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4980\/revisions"}],"predecessor-version":[{"id":4981,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4980\/revisions\/4981"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=4980"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=4980"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=4980"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}