{"id":5512,"date":"2023-01-05T12:53:02","date_gmt":"2023-01-05T04:53:02","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5512"},"modified":"2023-01-05T12:53:02","modified_gmt":"2023-01-05T04:53:02","slug":"%e5%ad%b8%e7%bf%92typescript%e4%b8%ad%e7%9a%84%e6%b1%82%e6%9e%81%e5%b7%aerange%e5%87%bd%e6%95%b8","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e5%ad%b8%e7%bf%92typescript%e4%b8%ad%e7%9a%84%e6%b1%82%e6%9e%81%e5%b7%aerange%e5%87%bd%e6%95%b8\/","title":{"rendered":"\u5b78\u7fd2TypeScript\u4e2d\u7684\u6c42\u6781\u5dee(range)\u51fd\u6578"},"content":{"rendered":"

<\/p>\n

TypeScript \u9663\u5217\u7684\u6c42\u6781\u5dee(range)<\/h1>\n

TypeScript \u662f\u4e00\u7a2e JavaScript \u7684\u8d85\u96c6\uff0c\u5b83\u63d0\u4f9b\u4e86\u985e\u578b\u7cfb\u7d71\u548c ES6 \u7684\u65b0\u7279\u6027\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u958b\u767c\u51fa\u53ef\u9760\u7684\u7a0b\u5f0f\u78bc\u3002\u5728 TypeScript \u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528\u9663\u5217\u4f86\u5132\u5b58\u8cc7\u6599\uff0c\u4e26\u4e14\u53ef\u4ee5\u4f7f\u7528\u6c42\u6781\u5dee(range)\u7684\u65b9\u6cd5\u4f86\u53d6\u5f97\u9663\u5217\u4e2d\u7684\u67d0\u4e00\u6bb5\u8cc7\u6599\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u6c42\u6781\u5dee(range)<\/h2>\n

\u6c42\u6781\u5dee(range)\u662f\u4e00\u7a2e\u53d6\u5f97\u9663\u5217\u4e2d\u67d0\u4e00\u6bb5\u8cc7\u6599\u7684\u65b9\u6cd5\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u53d6\u5f97\u9663\u5217\u4e2d\u6307\u5b9a\u7bc4\u570d\u7684\u8cc7\u6599\uff0c\u800c\u4e0d\u9700\u8981\u4e00\u500b\u4e00\u500b\u53d6\u51fa\u4f86\u3002<\/p>\n

TypeScript \u4e2d\u7684\u6c42\u6781\u5dee(range)<\/h2>\n

\u5728 TypeScript \u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528 Array.prototype.slice()<\/code> \u65b9\u6cd5\u4f86\u53d6\u5f97\u9663\u5217\u4e2d\u6307\u5b9a\u7bc4\u570d\u7684\u8cc7\u6599\uff0c\u5b83\u63a5\u53d7\u5169\u500b\u53c3\u6578\uff0c\u7b2c\u4e00\u500b\u53c3\u6578\u662f\u958b\u59cb\u7d22\u5f15\uff0c\u7b2c\u4e8c\u500b\u53c3\u6578\u662f\u7d50\u675f\u7d22\u5f15\uff0c\u5b83\u6703\u56de\u50b3\u4e00\u500b\u65b0\u7684\u9663\u5217\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u6307\u5b9a\u7bc4\u570d\u7684\u8cc7\u6599\u3002<\/p>\n

\nlet arr = [1, 2, 3, 4, 5];\nlet newArr = arr.slice(1, 3); \/\/ [2, 3]\n<\/pre>\n
\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u5ba3\u544a\u4e86\u4e00\u500b\u9663\u5217 arr<\/code>\uff0c\u4e26\u4e14\u4f7f\u7528 Array.prototype.slice()<\/code> \u65b9\u6cd5\u53d6\u5f97 arr<\/code> \u4e2d\u7d22\u5f15 1 \u5230 3 \u7684\u8cc7\u6599\uff0c\u6700\u5f8c\u56de\u50b3\u4e00\u500b\u65b0\u7684\u9663\u5217 newArr<\/code>\uff0c\u5176\u4e2d\u5305\u542b\u4e86 arr<\/code> \u4e2d\u7d22\u5f15 1 \u5230 3 \u7684\u8cc7\u6599\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5728 TypeScript \u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528 Array.prototype.slice()<\/code> \u65b9\u6cd5\u4f86\u53d6\u5f97\u9663\u5217\u4e2d\u6307\u5b9a\u7bc4\u570d\u7684\u8cc7\u6599\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u53d6\u5f97\u9663\u5217\u4e2d\u7684\u67d0\u4e00\u6bb5\u8cc7\u6599\uff0c\u800c\u4e0d\u9700\u8981\u4e00\u500b\u4e00\u500b\u53d6\u51fa\u4f86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u672c\u6587\u5c07\u4ecb\u7d39TypeScript\u4e2d\u7684\u6c42\u6781\u5dee(range)\u51fd\u6578\uff0c\u8a73\u7d30\u89e3\u91cb\u6c42\u6781\u5dee(range)\u51fd\u6578\u7684\u529f\u80fd\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u4f86\u8a08\u7b97\u9663\u5217\u4e2d\u7684\u6700\u5927\u503c\u548c\u6700\u5c0f\u503c\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-5512","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\/pcFK27-1qU","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5512","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=5512"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5512\/revisions"}],"predecessor-version":[{"id":5513,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5512\/revisions\/5513"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5512"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5512"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5512"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}