{"id":5292,"date":"2023-01-05T12:23:43","date_gmt":"2023-01-05T04:23:43","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5292"},"modified":"2023-01-05T12:23:43","modified_gmt":"2023-01-05T04:23:43","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8typescriptmap%e7%9a%84delete%e5%87%bd%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%a8typescriptmap%e7%9a%84delete%e5%87%bd%e6%95%b8\/","title":{"rendered":"\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528TypeScriptMap\u7684delete()\u51fd\u6578"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, Map, delete()\"><\/p>\n<h1>TypeScript Map \u5220\u9664\u952e\u503c(delete())<\/h1>\n<p>TypeScript \u662f\u4e00\u7a2e JavaScript \u7684\u8d85\u96c6\uff0c\u5b83\u63d0\u4f9b\u4e86\u985e\u578b\u6aa2\u67e5\u548c\u975c\u614b\u5206\u6790\u529f\u80fd\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u652f\u6301\u958b\u767c\u5927\u578b\u9805\u76ee\u3002TypeScript \u63d0\u4f9b\u4e86 Map \u985e\u578b\uff0c\u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u9375\u503c\u5c0d\uff0c\u4e26\u63d0\u4f9b\u4e86 delete() \u65b9\u6cd5\u4f86\u522a\u9664\u9375\u503c\u5c0d\u3002<\/p>\n<h2>Map \u985e\u578b<\/h2>\n<p>Map \u985e\u578b\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u5c0d\u8c61\uff0c\u5b83\u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u9375\u503c\u5c0d\uff0c\u5176\u4e2d\u9375\u53ef\u4ee5\u662f\u4efb\u4f55\u985e\u578b\u7684\u503c\uff0c\u800c\u503c\u53ef\u4ee5\u662f\u4efb\u4f55\u985e\u578b\u7684\u503c\u3002Map \u985e\u578b\u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u4efb\u4f55\u985e\u578b\u7684\u6578\u64da\uff0c\u4f8b\u5982\u5b57\u7b26\u4e32\u3001\u6578\u5b57\u3001\u5c0d\u8c61\u7b49\u3002<\/p>\n<pre class=\"brush: typescript\">\nlet map = new Map();\nmap.set('name', 'John');\nmap.set('age', 20);\nmap.set('gender', 'male');\n\nconsole.log(map.get('name')); \/\/ John\nconsole.log(map.get('age')); \/\/ 20\nconsole.log(map.get('gender')); \/\/ male\n<\/pre>\n<h2>delete() \u65b9\u6cd5<\/h2>\n<p>Map \u985e\u578b\u63d0\u4f9b\u4e86 delete() \u65b9\u6cd5\u4f86\u522a\u9664\u9375\u503c\u5c0d\uff0c\u5b83\u63a5\u53d7\u4e00\u500b\u53c3\u6578\uff0c\u5373\u8981\u522a\u9664\u7684\u9375\u3002\u5982\u679c\u522a\u9664\u6210\u529f\uff0c\u5247\u8fd4\u56de true\uff0c\u5426\u5247\u8fd4\u56de false\u3002<\/p>\n<pre class=\"brush: typescript\">\nlet map = new Map();\nmap.set('name', 'John');\nmap.set('age', 20);\nmap.set('gender', 'male');\n\nconsole.log(map.delete('name')); \/\/ true\nconsole.log(map.delete('age')); \/\/ true\nconsole.log(map.delete('gender')); \/\/ true\n<\/pre>\n<h2>\u7e3d\u7d50<\/h2>\n<p>TypeScript \u63d0\u4f9b\u4e86 Map \u985e\u578b\uff0c\u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u9375\u503c\u5c0d\uff0c\u4e26\u63d0\u4f9b\u4e86 delete() \u65b9\u6cd5\u4f86\u522a\u9664\u9375\u503c\u5c0d\u3002Map \u985e\u578b\u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u4efb\u4f55\u985e\u578b\u7684\u6578\u64da\uff0c\u800c delete() \u65b9\u6cd5\u53ef\u4ee5\u7528\u4f86\u522a\u9664\u9375\u503c\u5c0d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528TypeScriptMap\u7684delete()\u51fd\u6578\uff0c\u522a\u9664Map\u4e2d\u7684\u9375\u503c\u5c0d\uff0c\u4e26\u4e86\u89e3\u5b83\u7684\u529f\u80fd\u548c\u7528\u6cd5\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-5292","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\/pcFK27-1nm","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5292","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=5292"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5292\/revisions"}],"predecessor-version":[{"id":5293,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5292\/revisions\/5293"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5292"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5292"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}