{"id":5164,"date":"2023-01-05T12:06:18","date_gmt":"2023-01-05T04:06:18","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5164"},"modified":"2023-01-05T12:06:18","modified_gmt":"2023-01-05T04:06:18","slug":"%e4%ba%86%e8%a7%a3typescript%e5%ad%97%e4%b8%b2%e6%b1%82%e5%ad%97%e7%ac%a6%e6%95%b8%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e4%ba%86%e8%a7%a3typescript%e5%ad%97%e4%b8%b2%e6%b1%82%e5%ad%97%e7%ac%a6%e6%95%b8%e7%9a%84%e6%96%b9%e6%b3%95\/","title":{"rendered":"\u4e86\u89e3TypeScript\u5b57\u4e32\u6c42\u5b57\u7b26\u6578\u7684\u65b9\u6cd5"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript,\u5b57\u4e32,\u6c42\u5b57\u7b26\u6578,getCharacterCount\"><\/p>\n<h1>TypeScript \u5b57\u4e32\u7684\u6c42\u5b57\u7b26\u6578(getCharacterCount)<\/h1>\n<p>TypeScript \u662f\u4e00\u7a2e JavaScript \u7684\u8d85\u96c6\uff0c\u5b83\u64c1\u6709\u66f4\u591a\u7684\u529f\u80fd\uff0c\u5176\u4e2d\u5305\u62ec\u6c42\u5b57\u7b26\u6578\u7684\u529f\u80fd\u3002\u5728 TypeScript \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 getCharacterCount() \u65b9\u6cd5\u4f86\u6c42\u5b57\u7b26\u6578\u3002<\/p>\n<p><!--more--><\/p>\n<p>getCharacterCount() \u65b9\u6cd5\u53ef\u4ee5\u7528\u4f86\u6c42\u5b57\u7b26\u6578\uff0c\u5b83\u6703\u56de\u50b3\u4e00\u500b\u6574\u6578\uff0c\u4ee3\u8868\u5b57\u4e32\u4e2d\u7684\u5b57\u7b26\u6578\u3002\u5b83\u53ef\u4ee5\u63a5\u53d7\u4e00\u500b\u5b57\u4e32\u53c3\u6578\uff0c\u4e26\u4e14\u6703\u56de\u50b3\u5b57\u4e32\u4e2d\u7684\u5b57\u7b26\u6578\u3002<\/p>\n<pre class=\"brush: typescript\">\nfunction getCharacterCount(str: string): number {\n  return str.length;\n}\n\nlet str = \"Hello World!\";\nlet count = getCharacterCount(str);\nconsole.log(count); \/\/ 12\n<\/pre>\n<p>\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b getCharacterCount() \u65b9\u6cd5\uff0c\u5b83\u63a5\u53d7\u4e00\u500b\u5b57\u4e32\u53c3\u6578\uff0c\u4e26\u4e14\u6703\u56de\u50b3\u5b57\u4e32\u4e2d\u7684\u5b57\u7b26\u6578\u3002\u7136\u5f8c\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u5b57\u4e32\uff0c\u4e26\u4e14\u4f7f\u7528 getCharacterCount() \u65b9\u6cd5\u4f86\u6c42\u5b57\u7b26\u6578\uff0c\u6700\u5f8c\uff0c\u6211\u5011\u5c07\u7d50\u679c\u8f38\u51fa\u5230\u63a7\u5236\u53f0\u3002<\/p>\n<p>getCharacterCount() \u65b9\u6cd5\u53ef\u4ee5\u7528\u4f86\u6c42\u5b57\u7b26\u6578\uff0c\u5b83\u53ef\u4ee5\u63a5\u53d7\u4e00\u500b\u5b57\u4e32\u53c3\u6578\uff0c\u4e26\u4e14\u6703\u56de\u50b3\u5b57\u4e32\u4e2d\u7684\u5b57\u7b26\u6578\u3002\u5b83\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u7528\u4f86\u6c42\u5b57\u7b26\u6578\uff0c\u4e26\u4e14\u53ef\u4ee5\u61c9\u7528\u5728\u5f88\u591a\u4e0d\u540c\u7684\u5834\u666f\u4e2d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3TypeScript\u4e2d\u7684getCharacterCount()\u51fd\u6578\uff0c\u5b83\u53ef\u4ee5\u8a08\u7b97\u5b57\u4e32\u4e2d\u7684\u5b57\u7b26\u6578\uff0c\u4e26\u63d0\u4f9b\u7c21\u55ae\u7684\u65b9\u6cd5\u4f86\u8a08\u7b97\u5b57\u7b26\u6578\uff0c\u8b93\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u8f15\u9b06\u5730\u64cd\u4f5c\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-5164","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\/pcFK27-1li","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5164","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=5164"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5164\/revisions"}],"predecessor-version":[{"id":5165,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5164\/revisions\/5165"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5164"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5164"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}