{"id":5306,"date":"2023-01-05T12:25:27","date_gmt":"2023-01-05T04:25:27","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5306"},"modified":"2023-01-05T12:25:27","modified_gmt":"2023-01-05T04:25:27","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8typescriptmap%e7%9a%84foreach%e5%87%bd%e6%95%b8%e9%81%8d%e6%ad%b7%e6%89%80%e6%9c%89%e9%8d%b5%e5%80%bc%e5%b0%8d","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%84foreach%e5%87%bd%e6%95%b8%e9%81%8d%e6%ad%b7%e6%89%80%e6%9c%89%e9%8d%b5%e5%80%bc%e5%b0%8d\/","title":{"rendered":"\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528TypeScriptMap\u7684forEach()\u51fd\u6578\u904d\u6b77\u6240\u6709\u9375\u503c\u5c0d"},"content":{"rendered":"

<\/p>\n

\u4f7f\u7528 TypeScript Map \u904d\u6b77\u6240\u6709\u9375\u503c\u5c0d<\/h1>\n

TypeScript Map \u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u8cc7\u6599\u7d50\u69cb\uff0c\u5b83\u53ef\u4ee5\u8b93\u4f60\u5132\u5b58\u9375\u503c\u5c0d\uff0c\u4e26\u4e14\u53ef\u4ee5\u8f15\u9b06\u5730\u904d\u6b77\u6240\u6709\u9375\u503c\u5c0d\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528 TypeScript Map \u4f86\u904d\u6b77\u6240\u6709\u9375\u503c\u5c0d\u3002<\/p>\n

\u4ec0\u9ebc\u662f TypeScript Map<\/h2>\n

TypeScript Map \u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u8cc7\u6599\u7d50\u69cb\uff0c\u5b83\u53ef\u4ee5\u8b93\u4f60\u5132\u5b58\u9375\u503c\u5c0d\uff0c\u4e26\u4e14\u53ef\u4ee5\u8f15\u9b06\u5730\u904d\u6b77\u6240\u6709\u9375\u503c\u5c0d\u3002\u5b83\u7684\u512a\u9ede\u5728\u65bc\u5b83\u53ef\u4ee5\u8b93\u4f60\u5feb\u901f\u5730\u67e5\u627e\u7279\u5b9a\u7684\u9375\u503c\u5c0d\uff0c\u800c\u4e0d\u9700\u8981\u904d\u6b77\u6574\u500b\u8cc7\u6599\u7d50\u69cb\u3002<\/p>\n

\u5982\u4f55\u4f7f\u7528 TypeScript Map \u904d\u6b77\u6240\u6709\u9375\u503c\u5c0d<\/h2>\n

\u4f7f\u7528 TypeScript Map \u904d\u6b77\u6240\u6709\u9375\u503c\u5c0d\u975e\u5e38\u7c21\u55ae\uff0c\u53ea\u9700\u8981\u4f7f\u7528 forEach()<\/code> \u65b9\u6cd5\u5373\u53ef\u3002forEach()<\/code> \u65b9\u6cd5\u6703\u63a5\u53d7\u4e00\u500b\u56de\u8abf\u51fd\u6578\uff0c\u8a72\u56de\u8abf\u51fd\u6578\u6703\u63a5\u53d7\u5169\u500b\u53c3\u6578\uff1a\u9375\u548c\u503c\u3002<\/p>\n

<\/p>\n

\u8209\u500b\u4f8b\u5b50\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b TypeScript Map\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u4e00\u4e9b\u9375\u503c\u5c0d\uff1a<\/p>\n

let myMap = new Map();\nmyMap.set(\"name\", \"John\");\nmyMap.set(\"age\", 30);\nmyMap.set(\"city\", \"New York\");\n<\/code><\/pre>\n
\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 forEach()<\/code> \u65b9\u6cd5\u4f86\u904d\u6b77\u6240\u6709\u9375\u503c\u5c0d\uff1a<\/p>\n
myMap.forEach((value, key) => {\n    console.log(`{key}:<\/span>{value}`);\n});\n<\/code><\/pre>\n
\u8f38\u51fa\u7d50\u679c\uff1a<\/p>\n
name: John\nage: 30\ncity: New York\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u4ecb\u7d39\u4e86\u5982\u4f55\u4f7f\u7528 TypeScript Map \u4f86\u904d\u6b77\u6240\u6709\u9375\u503c\u5c0d\u3002\u6211\u5011\u53ea\u9700\u8981\u4f7f\u7528 forEach()<\/code> \u65b9\u6cd5\uff0c\u5c31\u53ef\u4ee5\u8f15\u9b06\u5730\u904d\u6b77\u6240\u6709\u9375\u503c\u5c0d\u3002TypeScript Map \u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u8cc7\u6599\u7d50\u69cb\uff0c\u5b83\u53ef\u4ee5\u8b93\u4f60\u5feb\u901f\u5730\u67e5\u627e\u7279\u5b9a\u7684\u9375\u503c\u5c0d\uff0c\u800c\u4e0d\u9700\u8981\u904d\u6b77\u6574\u500b\u8cc7\u6599\u7d50\u69cb\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6458\u8981\uff1aTypeScriptMap\u7684forEach()\u51fd\u6578\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u8f15\u9b06\u904d\u6b77Map\u4e2d\u7684\u6240\u6709\u9375\u503c\u5c0d\uff0c\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528forEach()\u51fd\u6578\u4f86\u904d\u6b77Map\u4e2d\u7684\u6240\u6709\u9375\u503c\u5c0d\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u793a\u4f8b\u4ee3\u78bc\u4f86\u8a73\u7d30\u8aaa\u660e\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-5306","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\/pcFK27-1nA","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5306","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=5306"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5306\/revisions"}],"predecessor-version":[{"id":5307,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5306\/revisions\/5307"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5306"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}