{"id":5080,"date":"2023-01-05T11:51:57","date_gmt":"2023-01-05T03:51:57","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5080"},"modified":"2023-01-05T11:51:57","modified_gmt":"2023-01-05T03:51:57","slug":"%e4%ba%86%e8%a7%a3typescript%e4%b8%ad%e6%95%b8%e7%b5%84%e7%9a%84%e9%81%8b%e7%ae%97%e7%ac%a6%ef%bc%8c%e6%8f%90%e5%8d%87%e9%96%8b%e7%99%bc%e6%95%88%e7%8e%87","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e4%ba%86%e8%a7%a3typescript%e4%b8%ad%e6%95%b8%e7%b5%84%e7%9a%84%e9%81%8b%e7%ae%97%e7%ac%a6%ef%bc%8c%e6%8f%90%e5%8d%87%e9%96%8b%e7%99%bc%e6%95%88%e7%8e%87\/","title":{"rendered":"\u4e86\u89e3TypeScript\u4e2d\u6578\u7d44\u7684\u904b\u7b97\u7b26\uff0c\u63d0\u5347\u958b\u767c\u6548\u7387"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, Array Operators\"><\/p>\n<h1>TypeScript \u6578\u7d44\u7684\u904b\u7b97\u7b26(Array Operators)<\/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\u652f\u6301\u6578\u7d44\u7684\u904b\u7b97\u7b26\u3002\u6578\u7d44\u7684\u904b\u7b97\u7b26\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u64cd\u4f5c\u6578\u7d44\uff0c\u4e26\u4e14\u53ef\u4ee5\u66f4\u6709\u6548\u7387\u5730\u5b8c\u6210\u958b\u767c\u4efb\u52d9\u3002<\/p>\n<h2>\u4ec0\u9ebc\u662f\u6578\u7d44\u7684\u904b\u7b97\u7b26\uff1f<\/h2>\n<p>\u6578\u7d44\u7684\u904b\u7b97\u7b26\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u64cd\u4f5c\u7b26\uff0c\u5b83\u53ef\u4ee5\u7528\u4f86\u64cd\u4f5c\u6578\u7d44\uff0c\u4f8b\u5982\u5c0d\u6578\u7d44\u9032\u884c\u6392\u5e8f\u3001\u641c\u7d22\u3001\u6dfb\u52a0\u3001\u522a\u9664\u7b49\u64cd\u4f5c\u3002\u5b83\u5011\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u64cd\u4f5c\u6578\u7d44\uff0c\u4e26\u4e14\u53ef\u4ee5\u66f4\u6709\u6548\u7387\u5730\u5b8c\u6210\u958b\u767c\u4efb\u52d9\u3002<\/p>\n<h2>TypeScript \u652f\u6301\u54ea\u4e9b\u6578\u7d44\u7684\u904b\u7b97\u7b26\uff1f<\/h2>\n<p>TypeScript \u652f\u6301\u4ee5\u4e0b\u6578\u7d44\u7684\u904b\u7b97\u7b26\uff1a<\/p>\n<ul>\n<li><code>map()<\/code>\uff1a\u5c0d\u6578\u7d44\u4e2d\u7684\u6bcf\u500b\u5143\u7d20\u57f7\u884c\u6307\u5b9a\u7684\u51fd\u6578\uff0c\u4e26\u8fd4\u56de\u4e00\u500b\u65b0\u7684\u6578\u7d44\u3002<\/li>\n<li><code>filter()<\/code>\uff1a\u5c0d\u6578\u7d44\u4e2d\u7684\u6bcf\u500b\u5143\u7d20\u57f7\u884c\u6307\u5b9a\u7684\u51fd\u6578\uff0c\u4e26\u8fd4\u56de\u4e00\u500b\u65b0\u7684\u6578\u7d44\uff0c\u5176\u4e2d\u53ea\u5305\u542b\u6eff\u8db3\u689d\u4ef6\u7684\u5143\u7d20\u3002<\/li>\n<li><code>reduce()<\/code>\uff1a\u5c0d\u6578\u7d44\u4e2d\u7684\u6bcf\u500b\u5143\u7d20\u57f7\u884c\u6307\u5b9a\u7684\u51fd\u6578\uff0c\u4e26\u8fd4\u56de\u4e00\u500b\u65b0\u7684\u503c\u3002<\/li>\n<li><code>forEach()<\/code>\uff1a\u5c0d\u6578\u7d44\u4e2d\u7684\u6bcf\u500b\u5143\u7d20\u57f7\u884c\u6307\u5b9a\u7684\u51fd\u6578\uff0c\u4f46\u4e0d\u8fd4\u56de\u4efb\u4f55\u503c\u3002<\/li>\n<li><code>some()<\/code>\uff1a\u5c0d\u6578\u7d44\u4e2d\u7684\u6bcf\u500b\u5143\u7d20\u57f7\u884c\u6307\u5b9a\u7684\u51fd\u6578\uff0c\u4e26\u8fd4\u56de\u4e00\u500b\u5e03\u723e\u503c\uff0c\u8868\u793a\u662f\u5426\u6709\u81f3\u5c11\u4e00\u500b\u5143\u7d20\u6eff\u8db3\u689d\u4ef6\u3002<\/li>\n<li><code>every()<\/code>\uff1a\u5c0d\u6578\u7d44\u4e2d\u7684\u6bcf\u500b\u5143\u7d20\u57f7\u884c\u6307\u5b9a\u7684\u51fd\u6578\uff0c\u4e26\u8fd4\u56de\u4e00\u500b\u5e03\u723e\u503c\uff0c\u8868\u793a\u662f\u5426\u6240\u6709\u5143\u7d20\u90fd\u6eff\u8db3\u689d\u4ef6\u3002<\/li>\n<\/ul>\n<p><!--more--><\/p>\n<h2>\u4f7f\u7528 TypeScript \u6578\u7d44\u7684\u904b\u7b97\u7b26\u7684\u7bc4\u4f8b<\/h2>\n<p>\u4e0b\u9762\u662f\u4e00\u500b\u4f7f\u7528 TypeScript \u6578\u7d44\u7684\u904b\u7b97\u7b26\u7684\u7bc4\u4f8b\uff1a<\/p>\n<pre class=\"brush: typescript\">\nlet numbers = [1, 2, 3, 4, 5];\n\n\/\/ \u4f7f\u7528 map() \u5c0d\u6578\u7d44\u4e2d\u7684\u6bcf\u500b\u5143\u7d20\u57f7\u884c\u6307\u5b9a\u7684\u51fd\u6578\nlet squaredNumbers = numbers.map(x => x * x);\n\n\/\/ \u4f7f\u7528 filter() \u5c0d\u6578\u7d44\u4e2d\u7684\u6bcf\u500b\u5143\u7d20\u57f7\u884c\u6307\u5b9a\u7684\u51fd\u6578\nlet evenNumbers = numbers.filter(x => x % 2 == 0);\n\n\/\/ \u4f7f\u7528 reduce() \u5c0d\u6578\u7d44\u4e2d\u7684\u6bcf\u500b\u5143\u7d20\u57f7\u884c\u6307\u5b9a\u7684\u51fd\u6578\nlet sum = numbers.reduce((acc, x) => acc + x, 0);\n\n\/\/ \u4f7f\u7528 forEach() \u5c0d\u6578\u7d44\u4e2d\u7684\u6bcf\u500b\u5143\u7d20\u57f7\u884c\u6307\u5b9a\u7684\u51fd\u6578\nnumbers.forEach(x => console.log(x));\n\n\/\/ \u4f7f\u7528 some() \u5c0d\u6578\u7d44\u4e2d\u7684\u6bcf\u500b\u5143\u7d20\u57f7\u884c\u6307\u5b9a\u7684\u51fd\u6578\nlet hasEvenNumber = numbers.some(x => x % 2 == 0);\n\n\/\/ \u4f7f\u7528 every() \u5c0d\u6578\u7d44\u4e2d\u7684\u6bcf\u500b\u5143\u7d20\u57f7\u884c\u6307\u5b9a\u7684\u51fd\u6578\nlet allEvenNumbers = numbers.every(x => x % 2 == 0);\n<\/pre>\n<p>\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86 TypeScript \u652f\u6301\u7684\u6578\u7d44\u7684\u904b\u7b97\u7b26\uff0c\u5c0d\u6578\u7d44\u4e2d\u7684\u6bcf\u500b\u5143\u7d20\u57f7\u884c\u6307\u5b9a\u7684\u51fd\u6578\uff0c\u4e26\u8fd4\u56de\u4e00\u500b\u65b0\u7684\u6578\u7d44\u6216\u503c\u3002<\/p>\n<h2>\u7e3d\u7d50<\/h2>\n<p>TypeScript \u652f\u6301\u591a\u7a2e\u6578\u7d44\u7684\u904b\u7b97\u7b26\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u64cd\u4f5c\u6578\u7d44\uff0c\u4e26\u4e14\u53ef\u4ee5\u66f4\u6709\u6548\u7387\u5730\u5b8c\u6210\u958b\u767c\u4efb\u52d9\u3002\u4f7f\u7528 TypeScript \u6578\u7d44\u7684\u904b\u7b97\u7b26\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u64cd\u4f5c\u6578\u7d44\uff0c\u4e26\u4e14\u53ef\u4ee5\u66f4\u6709\u6548\u7387\u5730\u5b8c\u6210\u958b\u767c\u4efb\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981:TypeScript\u4e2d\u7684\u6578\u7d44\u904b\u7b97\u7b26\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5feb\u901f\u3001\u66f4\u6709\u6548\u7387\u7684\u5b8c\u6210\u958b\u767c\u4efb\u52d9\uff0c\u672c\u6587\u5c07\u4ecb\u7d39\u6578\u7d44\u904b\u7b97\u7b26\u7684\u529f\u80fd\u53ca\u4f7f\u7528\u65b9\u6cd5\uff0c\u8b93\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u8f15\u9b06\u5730\u4f7f\u7528TypeScript\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-5080","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\/pcFK27-1jW","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5080","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=5080"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5080\/revisions"}],"predecessor-version":[{"id":5081,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5080\/revisions\/5081"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5080"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5080"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5080"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}