{"id":5498,"date":"2023-01-05T12:48:33","date_gmt":"2023-01-05T04:48:33","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5498"},"modified":"2023-01-05T12:48:33","modified_gmt":"2023-01-05T04:48:33","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8typescript%e6%b1%82%e5%8f%96%e9%99%a3%e5%88%97%e7%9a%84%e4%bc%97%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%e6%b1%82%e5%8f%96%e9%99%a3%e5%88%97%e7%9a%84%e4%bc%97%e6%95%b8\/","title":{"rendered":"\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528TypeScript\u6c42\u53d6\u9663\u5217\u7684\u4f17\u6578"},"content":{"rendered":"

<\/p>\n

\u4f7f\u7528 TypeScript \u9663\u5217\u7684\u6c42\u4f17\u6570(mode)<\/h1>\n

TypeScript \u662f\u4e00\u7a2e JavaScript \u7684\u8d85\u96c6\uff0c\u5b83\u63d0\u4f9b\u4e86\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\u4f17\u6570\uff08mode\uff09\uff0c\u4e5f\u5c31\u662f\u51fa\u73fe\u6b21\u6578\u6700\u591a\u7684\u5143\u7d20\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u4f17\u6570\uff08mode\uff09<\/h2>\n

\u4f17\u6570\uff08mode\uff09\u662f\u6307\u5728\u4e00\u7d44\u6578\u64da\u4e2d\u51fa\u73fe\u6b21\u6578\u6700\u591a\u7684\u5143\u7d20\uff0c\u5b83\u53ef\u4ee5\u662f\u4e00\u500b\u6578\u5b57\u3001\u5b57\u7b26\u4e32\u6216\u5176\u4ed6\u985e\u578b\u7684\u6578\u64da\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u7d44\u6578\u64da[1, 2, 3, 3, 4, 4, 4]\u4e2d\uff0c4 \u5c31\u662f\u4f17\u6570\uff0c\u56e0\u70ba\u5b83\u51fa\u73fe\u4e86 3 \u6b21\uff0c\u6bd4\u5176\u4ed6\u6578\u5b57\u90fd\u591a\u3002<\/p>\n

\u5982\u4f55\u4f7f\u7528 TypeScript \u9663\u5217\u6c42\u4f17\u6570\uff08mode\uff09<\/h2>\n

\u5728 TypeScript \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7a0b\u5f0f\u78bc\u4f86\u6c42\u51fa\u4f17\u6570\uff08mode\uff09\uff1a<\/p>\n

\nfunction mode(arr: number[]) {\n    let modeMap: { [key: number]: number } = {};\n    let maxEl: number = arr[0], maxCount: number = 1;\n    for (let i = 0; i < arr.length; i++) {\n        let el = arr[i];\n        if (modeMap[el] == null)\n            modeMap[el] = 1;\n        else\n            modeMap[el]++;  \n        if (modeMap[el] > maxCount) {\n            maxEl = el;\n            maxCount = modeMap[el];\n        }\n    }\n    return maxEl;\n}\n<\/pre>\n
\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4f7f\u7528\u4e86\u4e00\u500b\u8a08\u6578\u5668\uff08modeMap\uff09\u4f86\u8a08\u7b97\u6bcf\u500b\u5143\u7d20\u51fa\u73fe\u7684\u6b21\u6578\uff0c\u7136\u5f8c\u5c07\u51fa\u73fe\u6b21\u6578\u6700\u591a\u7684\u5143\u7d20\u8fd4\u56de\u3002<\/p>\n
\u7bc4\u4f8b<\/h2>\n
\u73fe\u5728\u6211\u5011\u4f86\u770b\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\uff0c\u8b93\u6211\u5011\u770b\u770b\u5982\u4f55\u4f7f\u7528\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4f86\u6c42\u51fa\u4f17\u6570\uff08mode\uff09\uff1a<\/p>\n
\nlet arr = [1, 2, 3, 3, 4, 4, 4];\nlet modeValue = mode(arr);\nconsole.log(modeValue); \/\/ 4\n<\/pre>\n
\u5728\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u9663\u5217 arr\uff0c\u4e26\u5c07\u5b83\u50b3\u905e\u7d66 mode \u51fd\u6578\uff0cmode \u51fd\u6578\u6703\u8fd4\u56de\u51fa\u73fe\u6b21\u6578\u6700\u591a\u7684\u5143\u7d20\uff0c\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u5b83\u8fd4\u56de\u7684\u662f 4\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
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\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528TypeScript\u6c42\u53d6\u9663\u5217\u7684\u4f17\u6578\uff0c\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528TypeScript\u4e2d\u7684mode()\u51fd\u6578\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u4f86\u6c42\u53d6\u9663\u5217\u7684\u4f17\u6578\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-5498","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\/pcFK27-1qG","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5498","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=5498"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5498\/revisions"}],"predecessor-version":[{"id":5499,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5498\/revisions\/5499"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5498"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5498"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5498"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}