{"id":5278,"date":"2023-01-05T12:22:01","date_gmt":"2023-01-05T04:22:01","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5278"},"modified":"2023-01-05T12:22:01","modified_gmt":"2023-01-05T04:22:01","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8typescript%e5%ad%97%e4%b8%b2%e7%9a%84isnumeric%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%a8typescript%e5%ad%97%e4%b8%b2%e7%9a%84isnumeric%e5%87%bd%e6%95%b8\/","title":{"rendered":"\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528TypeScript\u5b57\u4e32\u7684isNumeric\u51fd\u6578"},"content":{"rendered":"

<\/p>\n

\u4f7f\u7528 TypeScript \u5224\u65b7\u5b57\u4e32\u662f\u5426\u70ba\u6578\u5b57\u5b57\u7b26\u4e32<\/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\u8cea\u7684\u7a0b\u5f0f\u78bc\u3002\u5176\u4e2d\u4e00\u500b\u529f\u80fd\u5c31\u662f\u53ef\u4ee5\u5224\u65b7\u5b57\u4e32\u662f\u5426\u70ba\u6578\u5b57\u5b57\u7b26\u4e32\uff0c\u9019\u500b\u529f\u80fd\u53ef\u4ee5\u4f7f\u7528 TypeScript \u7684 isNumeric() \u51fd\u5f0f\u4f86\u5b8c\u6210\u3002<\/p>\n

isNumeric() \u51fd\u5f0f\u7684\u4f7f\u7528\u65b9\u6cd5<\/h2>\n

isNumeric() \u51fd\u5f0f\u53ef\u4ee5\u7528\u4f86\u5224\u65b7\u4e00\u500b\u5b57\u4e32\u662f\u5426\u70ba\u6578\u5b57\u5b57\u7b26\u4e32\uff0c\u5b83\u6703\u56de\u50b3\u4e00\u500b\u5e03\u6797\u503c\uff0c\u5982\u679c\u5b57\u4e32\u662f\u6578\u5b57\u5b57\u7b26\u4e32\u5247\u56de\u50b3 true\uff0c\u53cd\u4e4b\u5247\u56de\u50b3 false\u3002<\/p>\n

\u4e0b\u9762\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\uff0c\u53ef\u4ee5\u770b\u5230\u7576\u50b3\u5165\u7684\u5b57\u4e32\u662f\u6578\u5b57\u5b57\u7b26\u4e32\u6642\uff0cisNumeric() \u51fd\u5f0f\u6703\u56de\u50b3 true\uff1a<\/p>\n

\nlet str1 = \"123\";\nlet result1 = isNumeric(str1);\nconsole.log(result1); \/\/ true\n<\/pre>\n
\u53e6\u5916\uff0c\u7576\u50b3\u5165\u7684\u5b57\u4e32\u4e0d\u662f\u6578\u5b57\u5b57\u7b26\u4e32\u6642\uff0cisNumeric() \u51fd\u5f0f\u6703\u56de\u50b3 false\uff1a<\/p>\n
\nlet str2 = \"abc\";\nlet result2 = isNumeric(str2);\nconsole.log(result2); \/\/ false\n<\/pre>\n
isNumeric() \u51fd\u5f0f\u7684\u512a\u9ede<\/h2>\n
isNumeric() \u51fd\u5f0f\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5224\u65b7\u5b57\u4e32\u662f\u5426\u70ba\u6578\u5b57\u5b57\u7b26\u4e32\uff0c\u800c\u4e0d\u9700\u8981\u81ea\u5df1\u5beb\u51fa\u8907\u96dc\u7684\u7a0b\u5f0f\u78bc\u4f86\u5224\u65b7\u3002<\/p>\n
\u53e6\u5916\uff0cisNumeric() \u51fd\u5f0f\u4e5f\u53ef\u4ee5\u652f\u63f4\u591a\u7a2e\u6578\u5b57\u683c\u5f0f\uff0c\u4f8b\u5982\u5341\u9032\u4f4d\u3001\u516b\u9032\u4f4d\u3001\u5341\u516d\u9032\u4f4d\u7b49\u7b49\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u8655\u7406\u4e0d\u540c\u683c\u5f0f\u7684\u6578\u5b57\u5b57\u4e32\u3002<\/p>\n
<\/p>\n
\u7e3d\u7d50<\/h2>\n
TypeScript \u63d0\u4f9b\u4e86 isNumeric() \u51fd\u5f0f\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5224\u65b7\u5b57\u4e32\u662f\u5426\u70ba\u6578\u5b57\u5b57\u7b26\u4e32\uff0c\u800c\u4e0d\u9700\u8981\u81ea\u5df1\u5beb\u51fa\u8907\u96dc\u7684\u7a0b\u5f0f\u78bc\u4f86\u5224\u65b7\u3002\u53e6\u5916\uff0cisNumeric() \u51fd\u5f0f\u4e5f\u53ef\u4ee5\u652f\u63f4\u591a\u7a2e\u6578\u5b57\u683c\u5f0f\uff0c\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u8655\u7406\u4e0d\u540c\u683c\u5f0f\u7684\u6578\u5b57\u5b57\u4e32\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528TypeScript\u5b57\u4e32\u7684isNumeric\u51fd\u6578\uff0c\u53ef\u4ee5\u8f15\u9b06\u6aa2\u67e5\u5b57\u4e32\u662f\u5426\u70ba\u6578\u5b57\u5b57\u7b26\u4e32\uff0c\u8b93\u4f60\u7684\u7a0b\u5f0f\u66f4\u52a0\u5b89\u5168\u53ef\u9760\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-5278","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\/pcFK27-1n8","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5278","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=5278"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5278\/revisions"}],"predecessor-version":[{"id":5279,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5278\/revisions\/5279"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}