{"id":5322,"date":"2023-01-05T12:26:52","date_gmt":"2023-01-05T04:26:52","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5322"},"modified":"2023-01-05T12:26:52","modified_gmt":"2023-01-05T04:26:52","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8typescript%e9%99%a3%e5%88%97%e7%9a%84iseven%e5%87%bd%e6%95%b8","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%e9%99%a3%e5%88%97%e7%9a%84iseven%e5%87%bd%e6%95%b8\/","title":{"rendered":"\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528TypeScript\u9663\u5217\u7684isEven\u51fd\u6578"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, \u9663\u5217, \u6c42\u5076\u6578, isEven\"><\/p>\n<h1>\u4f7f\u7528 TypeScript \u9663\u5217\u6c42\u5076\u6578(isEven)<\/h1>\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\u958b\u767c\u51fa\u66f4\u512a\u79c0\u7684\u7a0b\u5f0f\u78bc\u3002\u5728 TypeScript \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u9663\u5217\u4f86\u6c42\u51fa\u5076\u6578\uff0c\u9019\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u8655\u7406\u8cc7\u6599\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u5728 TypeScript \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>isEven()<\/code> \u4f86\u6c42\u51fa\u9663\u5217\u4e2d\u7684\u5076\u6578\uff0c\u5b83\u6703\u56de\u50b3\u4e00\u500b <code>boolean<\/code> \u503c\uff0c\u8868\u793a\u8a72\u6578\u5b57\u662f\u5426\u70ba\u5076\u6578\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u60f3\u8981\u6c42\u51fa\u9663\u5217 <code>[1, 2, 3, 4, 5]<\/code> \u4e2d\u7684\u5076\u6578\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7a0b\u5f0f\u78bc\uff1a<\/p>\n<pre class=\"brush: typescript\">\nlet arr = [1, 2, 3, 4, 5];\nlet isEven = arr.map(num => num % 2 === 0);\nconsole.log(isEven); \/\/ [false, true, false, true, false]\n<\/pre>\n<p>\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u6703\u5c07\u9663\u5217\u4e2d\u7684\u6bcf\u500b\u6578\u5b57\u90fd\u9664\u4ee5 2\uff0c\u7136\u5f8c\u6aa2\u67e5\u9918\u6578\u662f\u5426\u70ba 0\uff0c\u5982\u679c\u662f\uff0c\u5247\u8868\u793a\u8a72\u6578\u5b57\u70ba\u5076\u6578\uff0c\u6700\u5f8c\u6703\u56de\u50b3\u4e00\u500b <code>boolean<\/code> \u9663\u5217\uff0c\u8868\u793a\u6bcf\u500b\u6578\u5b57\u662f\u5426\u70ba\u5076\u6578\u3002<\/p>\n<h2>\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528 TypeScript \u7684 <code>isEven()<\/code> \u51fd\u5f0f\uff0c\u53ef\u4ee5\u8f15\u9b06\u5730\u6c42\u51fa\u9663\u5217\u4e2d\u7684\u5076\u6578\uff0c\u9019\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u8655\u7406\u8cc7\u6599\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528TypeScript\u9663\u5217\u7684isEven\u51fd\u6578\uff0c\u8a72\u51fd\u6578\u53ef\u4ee5\u6aa2\u67e5\u4e00\u500b\u6578\u5b57\u662f\u5426\u70ba\u5076\u6578\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u6709\u7528\u7684\u6280\u5de7\u4f86\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u4f7f\u7528\u5b83\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-5322","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\/pcFK27-1nQ","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5322","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=5322"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5322\/revisions"}],"predecessor-version":[{"id":5323,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5322\/revisions\/5323"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5322"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5322"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5322"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}