{"id":5188,"date":"2023-01-05T12:09:48","date_gmt":"2023-01-05T04:09:48","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5188"},"modified":"2023-01-05T12:09:48","modified_gmt":"2023-01-05T04:09:48","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8typescript%e8%a8%88%e7%ae%97%e9%99%a3%e5%88%97%e7%9a%84%e5%b9%b3%e5%9d%87%e5%80%bc","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8typescript%e8%a8%88%e7%ae%97%e9%99%a3%e5%88%97%e7%9a%84%e5%b9%b3%e5%9d%87%e5%80%bc\/","title":{"rendered":"\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528TypeScript\u8a08\u7b97\u9663\u5217\u7684\u5e73\u5747\u503c"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, \u9663\u5217, \u5e73\u5747\u503c, average\"><\/p>\n<h1>TypeScript \u9663\u5217\u7684\u5e73\u5747\u503c(average)<\/h1>\n<p>TypeScript \u662f\u4e00\u7a2e\u5f37\u578b\u5225\u7684 JavaScript \u8a9e\u8a00\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u64b0\u5beb\u7a0b\u5f0f\u78bc\uff0c\u4e26\u4e14\u66f4\u5bb9\u6613\u5730\u6aa2\u67e5\u7a0b\u5f0f\u78bc\u7684\u6b63\u78ba\u6027\u3002\u5728 TypeScript \u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528\u9663\u5217\u4f86\u5132\u5b58\u8cc7\u6599\uff0c\u4e26\u4e14\u53ef\u4ee5\u8a08\u7b97\u9663\u5217\u4e2d\u7684\u5e73\u5747\u503c\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u5728 TypeScript \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <span style=\"font-weight: bold;\">Array.prototype.reduce()<\/span> \u65b9\u6cd5\u4f86\u8a08\u7b97\u9663\u5217\u4e2d\u7684\u5e73\u5747\u503c\u3002\u8a72\u65b9\u6cd5\u6703\u5c07\u9663\u5217\u4e2d\u7684\u6bcf\u500b\u5143\u7d20\u7d2f\u52a0\u8d77\u4f86\uff0c\u4e26\u4e14\u5c07\u7d2f\u52a0\u7684\u7d50\u679c\u9664\u4ee5\u9663\u5217\u7684\u9577\u5ea6\uff0c\u4ee5\u8a08\u7b97\u51fa\u9663\u5217\u7684\u5e73\u5747\u503c\u3002<\/p>\n<pre class=\"brush: typescript\">\nfunction average(arr: number[]) {\n  return arr.reduce((acc, curr) => acc + curr, 0) \/ arr.length;\n}\n\nconst arr = [1, 2, 3, 4, 5];\nconst avg = average(arr);\n\nconsole.log(avg); \/\/ 3\n<\/pre>\n<p>\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u540d\u70ba average \u7684\u51fd\u5f0f\uff0c\u8a72\u51fd\u5f0f\u63a5\u6536\u4e00\u500b\u6578\u5b57\u9663\u5217\u4f5c\u70ba\u53c3\u6578\uff0c\u4e26\u4e14\u4f7f\u7528 Array.prototype.reduce() \u65b9\u6cd5\u4f86\u8a08\u7b97\u9663\u5217\u4e2d\u7684\u5e73\u5747\u503c\u3002<\/p>\n<p>\u5728 TypeScript \u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528 Array.prototype.reduce() \u65b9\u6cd5\u4f86\u8a08\u7b97\u9663\u5217\u4e2d\u7684\u5e73\u5747\u503c\uff0c\u8a72\u65b9\u6cd5\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u8a08\u7b97\u51fa\u9663\u5217\u4e2d\u7684\u5e73\u5747\u503c\uff0c\u4e26\u4e14\u53ef\u4ee5\u6e1b\u5c11\u7a0b\u5f0f\u78bc\u7684\u7dad\u8b77\u6210\u672c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528TypeScript\u8a08\u7b97\u9663\u5217\u7684\u5e73\u5747\u503c\uff0c\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528TypeScript\u4e2d\u7684\u51fd\u6578\u4f86\u8a08\u7b97\u9663\u5217\u7684\u5e73\u5747\u503c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u7c21\u55ae\u7684\u7bc4\u4f8b\u4f86\u8a73\u7d30\u8aaa\u660e\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-5188","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\/pcFK27-1lG","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5188","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=5188"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5188\/revisions"}],"predecessor-version":[{"id":5189,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5188\/revisions\/5189"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5188"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5188"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5188"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}