{"id":4894,"date":"2023-01-05T11:14:21","date_gmt":"2023-01-05T03:14:21","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=4894"},"modified":"2023-01-05T11:14:21","modified_gmt":"2023-01-05T03:14:21","slug":"%e5%ad%b8%e7%bf%92typescript%e5%ad%97%e4%b8%b2%e7%9a%84%e6%b1%82%e5%a4%a7%e5%b0%8f%e5%af%ab%e8%bd%89%e6%8f%9b","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e5%ad%b8%e7%bf%92typescript%e5%ad%97%e4%b8%b2%e7%9a%84%e6%b1%82%e5%a4%a7%e5%b0%8f%e5%af%ab%e8%bd%89%e6%8f%9b\/","title":{"rendered":"\u5b78\u7fd2TypeScript\u5b57\u4e32\u7684\u6c42\u5927\u5c0f\u5beb\u8f49\u63db"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, \u5b57\u4e32, \u6c42\u5927\u5c0f\u5beb\u8f49\u63db, String Case Conversion\"><\/p>\n<h1>TypeScript \u5b57\u4e32\u7684\u6c42\u5927\u5c0f\u5beb\u8f49\u63db(String Case Conversion)<\/h1>\n<p>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\u5b57\u4e32\u7684\u6c42\u5927\u5c0f\u5beb\u8f49\u63db\u3002\u5728 TypeScript \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>toUpperCase()<\/code> \u548c <code>toLowerCase()<\/code> \u65b9\u6cd5\u5c0d\u5b57\u4e32\u9032\u884c\u5927\u5c0f\u5beb\u8f49\u63db\u3002<\/p>\n<h2>toUpperCase() \u65b9\u6cd5<\/h2>\n<p>toUpperCase() \u65b9\u6cd5\u53ef\u4ee5\u5c07\u5b57\u4e32\u4e2d\u7684\u6240\u6709\u5b57\u6bcd\u8f49\u63db\u70ba\u5927\u5beb\u3002<\/p>\n<pre class=\"brush: typescript\">\nlet str = \"Hello World!\";\nlet upperStr = str.toUpperCase();\nconsole.log(upperStr); \/\/ HELLO WORLD!\n<\/pre>\n<h2>toLowerCase() \u65b9\u6cd5<\/h2>\n<p>toLowerCase() \u65b9\u6cd5\u53ef\u4ee5\u5c07\u5b57\u4e32\u4e2d\u7684\u6240\u6709\u5b57\u6bcd\u8f49\u63db\u70ba\u5c0f\u5beb\u3002<\/p>\n<pre class=\"brush: typescript\">\nlet str = \"Hello World!\";\nlet lowerStr = str.toLowerCase();\nconsole.log(lowerStr); \/\/ hello world!\n<\/pre>\n<h2>\u7d50\u8ad6<\/h2>\n<p>TypeScript \u63d0\u4f9b\u4e86 <code>toUpperCase()<\/code> \u548c <code>toLowerCase()<\/code> \u65b9\u6cd5\uff0c\u53ef\u4ee5\u5c0d\u5b57\u4e32\u9032\u884c\u5927\u5c0f\u5beb\u8f49\u63db\u3002\u9019\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u5c0d\u5b57\u4e32\u9032\u884c\u5927\u5c0f\u5beb\u8f49\u63db\uff0c\u63d0\u9ad8\u958b\u767c\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981\uff1aTypeScript\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u5b57\u4e32\u8f49\u63db\u51fd\u6578\uff0c\u53ef\u4ee5\u8f15\u9b06\u5c07\u5b57\u4e32\u8f49\u63db\u70ba\u5927\u5beb\u6216\u5c0f\u5beb\uff0c\u8b93\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5c0d\u5b57\u4e32\u9032\u884c\u8655\u7406\u3002\u672c\u6587\u5c07\u4ecb\u7d39TypeScript\u4e2d\u7684\u5b57\u4e32\u8f49\u63db\u51fd\u6578\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u5011\u4f86\u8655\u7406\u5b57\u4e32\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-4894","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\/pcFK27-1gW","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4894","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=4894"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4894\/revisions"}],"predecessor-version":[{"id":4895,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4894\/revisions\/4895"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=4894"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=4894"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=4894"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}