{"id":5300,"date":"2023-01-05T12:24:41","date_gmt":"2023-01-05T04:24:41","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5300"},"modified":"2023-01-05T12:24:41","modified_gmt":"2023-01-05T04:24:41","slug":"%e4%ba%86%e8%a7%a3typescriptmap%e4%b8%adclear%e5%87%bd%e6%95%b8%e7%9a%84%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e4%ba%86%e8%a7%a3typescriptmap%e4%b8%adclear%e5%87%bd%e6%95%b8%e7%9a%84%e5%8a%9f%e8%83%bd\/","title":{"rendered":"\u4e86\u89e3TypeScriptMap\u4e2dclear()\u51fd\u6578\u7684\u529f\u80fd"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, Map, clear()\"><\/p>\n<h1>TypeScript Map \u6e05\u7a7a Map \u5bf9\u8c61(clear())<\/h1>\n<p>TypeScript \u662f\u4e00\u7a2e JavaScript \u7684\u8d85\u96c6\uff0c\u5b83\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u7279\u6027\uff0c\u4f8b\u5982\u985e\u578b\u6aa2\u67e5\u548c\u985e\u578b\u5b89\u5168\u6027\u3002\u5b83\u4e5f\u63d0\u4f9b\u4e86\u4e00\u500b Map \u985e\u578b\uff0c\u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u9375\u503c\u5c0d\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528 TypeScript Map \u6e05\u7a7a Map \u5c0d\u8c61\u3002<\/p>\n<h2>\u4ec0\u9ebc\u662f TypeScript Map\uff1f<\/h2>\n<p>TypeScript Map \u662f\u4e00\u7a2e\u985e\u4f3c\u65bc JavaScript \u5c0d\u8c61\u7684\u6578\u64da\u7d50\u69cb\uff0c\u5b83\u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u9375\u503c\u5c0d\u3002\u5b83\u7684\u512a\u9ede\u662f\u53ef\u4ee5\u5feb\u901f\u67e5\u627e\u548c\u66f4\u65b0\u6578\u64da\uff0c\u800c\u4e0d\u9700\u8981\u904d\u6b77\u6574\u500b\u5c0d\u8c61\u3002<\/p>\n<h2>\u5982\u4f55\u4f7f\u7528 TypeScript Map \u6e05\u7a7a Map \u5c0d\u8c61\uff1f<\/h2>\n<p>TypeScript Map \u63d0\u4f9b\u4e86\u4e00\u500b <span style=\"color: #0066cc; font-weight: bold;\">clear()<\/span> \u65b9\u6cd5\uff0c\u53ef\u4ee5\u7528\u4f86\u6e05\u7a7a Map \u5c0d\u8c61\u3002\u5b83\u6703\u6e05\u9664 Map \u5c0d\u8c61\u4e2d\u7684\u6240\u6709\u9375\u503c\u5c0d\uff0c\u4f46\u4e0d\u6703\u6539\u8b8a Map \u5c0d\u8c61\u7684\u5927\u5c0f\u3002<\/p>\n<pre class=\"brush: typescript\">\nlet myMap = new Map();\n\n\/\/ \u6dfb\u52a0\u9375\u503c\u5c0d\nmyMap.set('name', 'John');\nmyMap.set('age', 30);\n\n\/\/ \u6e05\u7a7a Map \u5c0d\u8c61\nmyMap.clear();\n\n\/\/ \u6253\u5370 Map \u5c0d\u8c61\nconsole.log(myMap); \/\/ Map {}\n<\/pre>\n<p>\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b Map \u5c0d\u8c61\uff0c\u4e26\u6dfb\u52a0\u4e86\u5169\u500b\u9375\u503c\u5c0d\u3002\u7136\u5f8c\uff0c\u6211\u5011\u4f7f\u7528 <span style=\"color: #0066cc; font-weight: bold;\">clear()<\/span> \u65b9\u6cd5\u6e05\u7a7a\u4e86 Map \u5c0d\u8c61\uff0c\u6700\u5f8c\u6253\u5370 Map \u5c0d\u8c61\uff0c\u53ef\u4ee5\u770b\u5230\u5b83\u5df2\u7d93\u88ab\u6e05\u7a7a\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 \u6e05\u7a7a Map \u5c0d\u8c61\u3002\u6211\u5011\u4f7f\u7528 <span style=\"color: #0066cc; font-weight: bold;\">clear()<\/span> \u65b9\u6cd5\u6e05\u7a7a\u4e86 Map \u5c0d\u8c61\uff0c\u5b83\u6703\u6e05\u9664 Map \u5c0d\u8c61\u4e2d\u7684\u6240\u6709\u9375\u503c\u5c0d\uff0c\u4f46\u4e0d\u6703\u6539\u8b8a Map \u5c0d\u8c61\u7684\u5927\u5c0f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3TypeScriptMap\u4e2dclear()\u51fd\u6578\u7684\u529f\u80fd\uff0cclear()\u51fd\u6578\u53ef\u4ee5\u6e05\u7a7aMap\u5c0d\u8c61\uff0c\u8b93\u4f60\u53ef\u4ee5\u91cd\u65b0\u4f7f\u7528Map\u5c0d\u8c61\uff0c\u66f4\u6709\u6548\u7387\u7684\u4f7f\u7528Map\u5c0d\u8c61\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-5300","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\/pcFK27-1nu","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5300","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=5300"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5300\/revisions"}],"predecessor-version":[{"id":5301,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5300\/revisions\/5301"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5300"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5300"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5300"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}