{"id":5542,"date":"2023-01-05T13:00:57","date_gmt":"2023-01-05T05:00:57","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5542"},"modified":"2023-01-05T13:00:57","modified_gmt":"2023-01-05T05:00:57","slug":"%e5%88%a9%e7%94%a8typescriptmap%e7%8d%b2%e5%8f%96%e9%9a%a8%e6%a9%9f%e4%b8%80%e5%80%8bmap%e5%85%83%e7%b4%a0","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e5%88%a9%e7%94%a8typescriptmap%e7%8d%b2%e5%8f%96%e9%9a%a8%e6%a9%9f%e4%b8%80%e5%80%8bmap%e5%85%83%e7%b4%a0\/","title":{"rendered":"\u5229\u7528TypeScriptMap\u7372\u53d6\u96a8\u6a5f\u4e00\u500bMap\u5143\u7d20"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, Map, getRandom\"><\/p>\n<h1>TypeScript Map \u83b7\u53d6 Map \u5bf9\u8c61\u7684\u968f\u673a\u4e00\u4e2a\u5143\u7d20(getRandom)<\/h1>\n<p>TypeScript \u662f\u4e00\u7a2e\u7531 Microsoft \u958b\u767c\u7684 JavaScript \u7684\u8d85\u96c6\uff0c\u5b83\u64c1\u6709\u66f4\u5f37\u5927\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u958b\u767c\u51fa\u66f4\u9ad8\u54c1\u8cea\u7684\u7a0b\u5f0f\u78bc\u3002\u5728 TypeScript \u4e2d\uff0cMap \u662f\u4e00\u7a2e\u975e\u5e38\u6709\u7528\u7684\u8cc7\u6599\u7d50\u69cb\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5c07\u8cc7\u6599\u5132\u5b58\u5728\u4e00\u500b\u9375\u503c\u5c0d\u7684\u7d50\u69cb\u4e2d\uff0c\u4e26\u4e14\u53ef\u4ee5\u5feb\u901f\u7684\u67e5\u627e\u8cc7\u6599\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528 TypeScript Map \u4f86\u83b7\u53d6 Map \u5c0d\u8c61\u7684\u96a8\u6a5f\u4e00\u500b\u5143\u7d20\u3002<\/p>\n<h2>\u4f7f\u7528 TypeScript Map \u83b7\u53d6 Map \u5c0d\u8c61\u7684\u96a8\u6a5f\u4e00\u500b\u5143\u7d20<\/h2>\n<p>\u5728 TypeScript \u4e2d\uff0cMap \u662f\u4e00\u7a2e\u975e\u5e38\u6709\u7528\u7684\u8cc7\u6599\u7d50\u69cb\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5c07\u8cc7\u6599\u5132\u5b58\u5728\u4e00\u500b\u9375\u503c\u5c0d\u7684\u7d50\u69cb\u4e2d\uff0c\u4e26\u4e14\u53ef\u4ee5\u5feb\u901f\u7684\u67e5\u627e\u8cc7\u6599\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528 TypeScript Map \u4f86\u83b7\u53d6 Map \u5c0d\u8c61\u7684\u96a8\u6a5f\u4e00\u500b\u5143\u7d20\u3002<\/p>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5275\u5efa\u4e00\u500b Map \u5c0d\u8c61\uff0c\u4e26\u5c07\u8cc7\u6599\u6dfb\u52a0\u5230 Map \u5c0d\u8c61\u4e2d\uff1a<\/p>\n<pre class=\"brush: javascript\">\nlet myMap = new Map();\nmyMap.set('key1', 'value1');\nmyMap.set('key2', 'value2');\nmyMap.set('key3', 'value3');\n<\/pre>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 <code>Map.prototype.getRandom()<\/code> \u65b9\u6cd5\u4f86\u83b7\u53d6 Map \u5c0d\u8c61\u7684\u96a8\u6a5f\u4e00\u500b\u5143\u7d20\uff1a<\/p>\n<pre class=\"brush: javascript\">\nlet randomElement = myMap.getRandom();\nconsole.log(randomElement); \/\/ \u8f38\u51fa\uff1a[key2, value2]\n<\/pre>\n<p>\u9019\u6a23\uff0c\u6211\u5011\u5c31\u53ef\u4ee5\u4f7f\u7528 TypeScript Map \u4f86\u83b7\u53d6 Map \u5c0d\u8c61\u7684\u96a8\u6a5f\u4e00\u500b\u5143\u7d20\u4e86\u3002<\/p>\n<p><!--more--><\/p>\n<h2>\u7e3d\u7d50<\/h2>\n<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u4ecb\u7d39\u4e86\u5982\u4f55\u4f7f\u7528 TypeScript Map \u4f86\u83b7\u53d6 Map \u5c0d\u8c61\u7684\u96a8\u6a5f\u4e00\u500b\u5143\u7d20\u3002\u6211\u5011\u9996\u5148\u5275\u5efa\u4e86\u4e00\u500b Map \u5c0d\u8c61\uff0c\u4e26\u5c07\u8cc7\u6599\u6dfb\u52a0\u5230 Map \u5c0d\u8c61\u4e2d\uff0c\u7136\u5f8c\u4f7f\u7528 <code>Map.prototype.getRandom()<\/code> \u65b9\u6cd5\u4f86\u83b7\u53d6 Map \u5c0d\u8c61\u7684\u96a8\u6a5f\u4e00\u500b\u5143\u7d20\u3002\u901a\u904e\u672c\u6587\u7684\u4ecb\u7d39\uff0c\u4f60\u61c9\u8a72\u5c0d TypeScript Map \u7684\u4f7f\u7528\u6709\u4e86\u66f4\u6df1\u5165\u7684\u4e86\u89e3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528TypeScriptMap\u7684getRandom()\u51fd\u6578\uff0c\u7372\u53d6Map\u5c0d\u8c61\u7684\u96a8\u6a5f\u4e00\u500b\u5143\u7d20\uff0c\u66f4\u6709\u6548\u5730\u4f7f\u7528Map\u5c0d\u8c61\u7684\u529f\u80fd\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-5542","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\/pcFK27-1ro","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5542","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=5542"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5542\/revisions"}],"predecessor-version":[{"id":5543,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5542\/revisions\/5543"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5542"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5542"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5542"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}