{"id":5144,"date":"2023-01-05T12:02:56","date_gmt":"2023-01-05T04:02:56","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5144"},"modified":"2023-01-05T12:02:56","modified_gmt":"2023-01-05T04:02:56","slug":"%e4%ba%86%e8%a7%a3typescript%e4%b8%ad%e6%95%b8%e7%b5%84%e7%9a%84%e5%8c%85%e5%90%ab%e5%8a%9f%e8%83%bd","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%e5%8c%85%e5%90%ab%e5%8a%9f%e8%83%bd\/","title":{"rendered":"\u4e86\u89e3TypeScript\u4e2d\u6578\u7d44\u7684\u5305\u542b\u529f\u80fd"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, \u6578\u7d44\u7684\u5305\u542b, Array Containment\"><\/p>\n<h1>TypeScript \u6578\u7d44\u7684\u5305\u542b(Array Containment)<\/h1>\n<p>TypeScript \u662f\u4e00\u7a2e JavaScript \u7684\u8d85\u96c6\uff0c\u5b83\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u985e\u578b\u7cfb\u7d71\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u64b0\u5beb\u548c\u7dad\u8b77\u4ee3\u78bc\u3002\u5728 TypeScript \u4e2d\uff0c\u6578\u7d44\u7684\u5305\u542b(Array Containment)\u662f\u4e00\u500b\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u6aa2\u67e5\u6578\u7d44\u4e2d\u662f\u5426\u5305\u542b\u67d0\u500b\u5143\u7d20\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u5728 TypeScript \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <span style=\"font-weight: bold; color: #0099cc;\">includes()<\/span> \u65b9\u6cd5\u4f86\u6aa2\u67e5\u6578\u7d44\u4e2d\u662f\u5426\u5305\u542b\u67d0\u500b\u5143\u7d20\u3002\u5b83\u63a5\u53d7\u4e00\u500b\u53c3\u6578\uff0c\u5373\u8981\u6aa2\u67e5\u7684\u5143\u7d20\uff0c\u4e26\u8fd4\u56de\u4e00\u500b\u5e03\u723e\u503c\uff0c\u8868\u793a\u8a72\u5143\u7d20\u662f\u5426\u5b58\u5728\u65bc\u6578\u7d44\u4e2d\u3002<\/p>\n<p>\u8209\u500b\u4f8b\u5b50\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba <span style=\"font-weight: bold; color: #0099cc;\">numbers<\/span> \u7684\u6578\u7d44\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u4e00\u4e9b\u6578\u5b57\uff1a<\/p>\n<pre class=\"brush: javascript\">\nlet numbers = [1, 2, 3, 4, 5];\n<\/pre>\n<p>\u73fe\u5728\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 <span style=\"font-weight: bold; color: #0099cc;\">includes()<\/span> \u65b9\u6cd5\u4f86\u6aa2\u67e5\u8a72\u6578\u7d44\u4e2d\u662f\u5426\u5305\u542b\u67d0\u500b\u7279\u5b9a\u7684\u6578\u5b57\uff0c\u4f8b\u5982 3\uff1a<\/p>\n<pre class=\"brush: javascript\">\nlet containsThree = numbers.includes(3);\n<\/pre>\n<p>\u6b64\u6642\uff0c<span style=\"font-weight: bold; color: #0099cc;\">containsThree<\/span> \u7684\u503c\u5c07\u70ba <span style=\"font-weight: bold; color: #0099cc;\">true<\/span>\uff0c\u8868\u793a\u8a72\u6578\u7d44\u4e2d\u5305\u542b\u4e86 3 \u9019\u500b\u5143\u7d20\u3002<\/p>\n<p>\u9664\u4e86\u6aa2\u67e5\u6578\u7d44\u4e2d\u662f\u5426\u5305\u542b\u67d0\u500b\u5143\u7d20\u4e4b\u5916\uff0c<span style=\"font-weight: bold; color: #0099cc;\">includes()<\/span> \u65b9\u6cd5\u9084\u53ef\u4ee5\u63a5\u53d7\u7b2c\u4e8c\u500b\u53c3\u6578\uff0c\u5373\u8981\u6aa2\u67e5\u7684\u5143\u7d20\u7684\u8d77\u59cb\u4f4d\u7f6e\uff1a<\/p>\n<pre class=\"brush: javascript\">\nlet containsThree = numbers.includes(3, 2);\n<\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c<span style=\"font-weight: bold; color: #0099cc;\">containsThree<\/span> \u7684\u503c\u5c07\u70ba <span style=\"font-weight: bold; color: #0099cc;\">false<\/span>\uff0c\u56e0\u70ba\u6211\u5011\u6307\u5b9a\u4e86\u8d77\u59cb\u4f4d\u7f6e\u70ba 2\uff0c\u800c 3 \u9019\u500b\u5143\u7d20\u4f4d\u65bc\u8a72\u6578\u7d44\u7684\u7b2c\u4e00\u500b\u4f4d\u7f6e\u3002<\/p>\n<p>\u7e3d\u7d50\u4f86\u8aaa\uff0cTypeScript \u4e2d\u7684 <span style=\"font-weight: bold; color: #0099cc;\">includes()<\/span> \u65b9\u6cd5\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u6aa2\u67e5\u6578\u7d44\u4e2d\u662f\u5426\u5305\u542b\u67d0\u500b\u5143\u7d20\uff0c\u4e26\u4e14\u53ef\u4ee5\u6307\u5b9a\u8d77\u59cb\u4f4d\u7f6e\uff0c\u4ee5\u4fbf\u66f4\u7cbe\u78ba\u5730\u6aa2\u67e5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981:TypeScript\u4e2d\u7684\u6578\u7d44\u5305\u542b\u529f\u80fd\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u6aa2\u67e5\u4e00\u500b\u6578\u7d44\u662f\u5426\u5305\u542b\u67d0\u500b\u503c\uff0c\u4e26\u4e14\u53ef\u4ee5\u66f4\u6709\u6548\u7387\u5730\u64cd\u4f5c\u6578\u7d44\u3002\u672c\u6587\u5c07\u4ecb\u7d39TypeScript\u4e2d\u6578\u7d44\u7684\u5305\u542b\u529f\u80fd\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u4f86\u63d0\u9ad8\u958b\u767c\u6548\u7387\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-5144","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\/pcFK27-1kY","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5144","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=5144"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5144\/revisions"}],"predecessor-version":[{"id":5145,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5144\/revisions\/5145"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5144"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5144"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}