{"id":5194,"date":"2023-01-05T12:10:27","date_gmt":"2023-01-05T04:10:27","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5194"},"modified":"2023-01-05T12:10:27","modified_gmt":"2023-01-05T04:10:27","slug":"%e4%ba%86%e8%a7%a3%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8typescript%e4%b8%ad%e7%9a%84%e6%95%b8%e7%b5%84%e9%81%8e%e6%bf%be%e5%8a%9f%e8%83%bd-2","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e4%ba%86%e8%a7%a3%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8typescript%e4%b8%ad%e7%9a%84%e6%95%b8%e7%b5%84%e9%81%8e%e6%bf%be%e5%8a%9f%e8%83%bd-2\/","title":{"rendered":"\u4e86\u89e3\u5982\u4f55\u4f7f\u7528TypeScript\u4e2d\u7684\u6578\u7d44\u904e\u6ffe\u529f\u80fd"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, \u6578\u7d44\u7684\u904e\u6ffe, Array Filter\"><\/p>\n<h1>TypeScript \u6578\u7d44\u7684\u904e\u6ffe(Array Filter)<\/h1>\n<p>TypeScript \u662f\u4e00\u7a2e JavaScript \u7684\u8d85\u96c6\uff0c\u5b83\u64c1\u6709\u66f4\u591a\u7684\u529f\u80fd\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u652f\u63f4\u6578\u7d44\u7684\u904e\u6ffe\uff0c\u4e5f\u5c31\u662f Array Filter\u3002<\/p>\n<p>Array Filter \u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u5c0d\u6578\u7d44\u4e2d\u7684\u5143\u7d20\u9032\u884c\u7be9\u9078\uff0c\u53ea\u53d6\u51fa\u6eff\u8db3\u689d\u4ef6\u7684\u5143\u7d20\uff0c\u800c\u4e0d\u9700\u8981\u81ea\u5df1\u5beb\u8ff4\u5708\u4f86\u8655\u7406\u3002<\/p>\n<h2>\u4f7f\u7528 Array Filter<\/h2>\n<p>Array Filter \u7684\u4f7f\u7528\u65b9\u5f0f\u5f88\u7c21\u55ae\uff0c\u53ea\u9700\u8981\u5c07\u7be9\u9078\u689d\u4ef6\u5beb\u5728\u7b2c\u4e00\u500b\u53c3\u6578\u4e2d\uff0c\u5c31\u53ef\u4ee5\u5c0d\u6578\u7d44\u4e2d\u7684\u5143\u7d20\u9032\u884c\u7be9\u9078\uff0c\u53ea\u53d6\u51fa\u6eff\u8db3\u689d\u4ef6\u7684\u5143\u7d20\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u6211\u5011\u6709\u4e00\u500b\u6578\u7d44\uff0c\u88e1\u9762\u6709\u4e00\u4e9b\u6578\u5b57\uff1a<\/p>\n<pre class=\"brush: typescript\">\nlet numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];\n<\/pre>\n<p>\u6211\u5011\u60f3\u8981\u53d6\u51fa\u88e1\u9762\u6240\u6709\u5927\u65bc 5 \u7684\u6578\u5b57\uff0c\u53ef\u4ee5\u4f7f\u7528 Array Filter \u4f86\u5b8c\u6210\uff1a<\/p>\n<pre class=\"brush: typescript\">\nlet greaterThanFive = numbers.filter(number => number > 5);\n<\/pre>\n<p>\u9019\u6a23\u5c31\u53ef\u4ee5\u5f97\u5230\u4e00\u500b\u65b0\u7684\u6578\u7d44\uff0c\u88e1\u9762\u53ea\u6709\u5927\u65bc 5 \u7684\u6578\u5b57\uff1a<\/p>\n<pre class=\"brush: typescript\">\n[6, 7, 8, 9, 10]\n<\/pre>\n<h2>\u7bc4\u4f8b<\/h2>\n<p>\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 Array Filter \u4f86\u5be6\u73fe\u66f4\u8907\u96dc\u7684\u7be9\u9078\u689d\u4ef6\uff0c\u4f8b\u5982\uff0c\u6211\u5011\u6709\u4e00\u500b\u6578\u7d44\uff0c\u88e1\u9762\u6709\u4e00\u4e9b\u5b57\u4e32\uff1a<\/p>\n<pre class=\"brush: typescript\">\nlet strings = [\"foo\", \"bar\", \"baz\", \"qux\", \"quux\"];\n<\/pre>\n<p>\u6211\u5011\u60f3\u8981\u53d6\u51fa\u88e1\u9762\u6240\u6709\u4ee5 &#8220;qu&#8221; \u958b\u982d\u7684\u5b57\u4e32\uff0c\u53ef\u4ee5\u4f7f\u7528 Array Filter \u4f86\u5b8c\u6210\uff1a<\/p>\n<pre class=\"brush: typescript\">\nlet startsWithQu = strings.filter(string => string.startsWith(\"qu\"));\n<\/pre>\n<p>\u9019\u6a23\u5c31\u53ef\u4ee5\u5f97\u5230\u4e00\u500b\u65b0\u7684\u6578\u7d44\uff0c\u88e1\u9762\u53ea\u6709\u4ee5 &#8220;qu&#8221; \u958b\u982d\u7684\u5b57\u4e32\uff1a<\/p>\n<pre class=\"brush: typescript\">\n[\"qux\", \"quux\"]\n<\/pre>\n<h2>\u7e3d\u7d50<\/h2>\n<p>Array Filter \u662f TypeScript \u4e2d\u4e00\u500b\u5f88\u6709\u7528\u7684\u529f\u80fd\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u5c0d\u6578\u7d44\u4e2d\u7684\u5143\u7d20\u9032\u884c\u7be9\u9078\uff0c\u53ea\u53d6\u51fa\u6eff\u8db3\u689d\u4ef6\u7684\u5143\u7d20\uff0c\u800c\u4e0d\u9700\u8981\u81ea\u5df1\u5beb\u8ff4\u5708\u4f86\u8655\u7406\u3002<\/p>\n<p><!--more--><\/p>\n<p>Array Filter \u7684\u4f7f\u7528\u65b9\u5f0f\u5f88\u7c21\u55ae\uff0c\u53ea\u9700\u8981\u5c07\u7be9\u9078\u689d\u4ef6\u5beb\u5728\u7b2c\u4e00\u500b\u53c3\u6578\u4e2d\uff0c\u5c31\u53ef\u4ee5\u5c0d\u6578\u7d44\u4e2d\u7684\u5143\u7d20\u9032\u884c\u7be9\u9078\uff0c\u53ea\u53d6\u51fa\u6eff\u8db3\u689d\u4ef6\u7684\u5143\u7d20\u3002<\/p>\n<p>Array Filter \u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u5c0d\u6578\u7d44\u4e2d\u7684\u5143\u7d20\u9032\u884c\u7be9\u9078\uff0c\u53ea\u53d6\u51fa\u6eff\u8db3\u689d\u4ef6\u7684\u5143\u7d20\uff0c\u800c\u4e0d\u9700\u8981\u81ea\u5df1\u5beb\u8ff4\u5708\u4f86\u8655\u7406\uff0c\u662f TypeScript \u4e2d\u4e00\u500b\u5f88\u6709\u7528\u7684\u529f\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981:\u4e86\u89e3\u5982\u4f55\u4f7f\u7528TypeScript\u4e2d\u7684\u6578\u7d44\u904e\u6ffe\u529f\u80fd\uff0c\u53ef\u4ee5\u8b93\u4f60\u66f4\u6709\u6548\u7387\u5730\u8655\u7406\u8cc7\u6599\uff0c\u4e26\u66f4\u5bb9\u6613\u5730\u627e\u5230\u4f60\u60f3\u8981\u7684\u7d50\u679c\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528TypeScript\u4e2d\u7684\u6578\u7d44\u904e\u6ffe\u529f\u80fd\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u4f86\u8655\u7406\u8cc7\u6599\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-5194","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\/pcFK27-1lM","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5194","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=5194"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5194\/revisions"}],"predecessor-version":[{"id":5195,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5194\/revisions\/5195"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5194"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5194"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5194"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}