{"id":5386,"date":"2023-01-05T12:34:36","date_gmt":"2023-01-05T04:34:36","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5386"},"modified":"2023-01-05T12:34:36","modified_gmt":"2023-01-05T04:34:36","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8typescript%e4%b8%ad%e7%9a%84isperfectsquarenumber%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%e4%b8%ad%e7%9a%84isperfectsquarenumber%e5%87%bd%e6%95%b8\/","title":{"rendered":"\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528TypeScript\u4e2d\u7684isPerfectSquareNumber\u51fd\u6578"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, \u9663\u5217, \u6c42\u662f\u5426\u70ba\u5b8c\u7f8e\u5e73\u65b9\u6578, isPerfectSquareNumber\"><\/p>\n<h1>\u4f7f\u7528 TypeScript \u9663\u5217\u7684\u6c42\u662f\u5426\u70ba\u5b8c\u7f8e\u5e73\u65b9\u6578(isPerfectSquareNumber)<\/h1>\n<p>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\u5730\u958b\u767c\u51fa\u66f4\u9ad8\u8cea\u91cf\u7684\u7a0b\u5f0f\u78bc\u3002\u5728 TypeScript \u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528\u9663\u5217\u4f86\u6c42\u662f\u5426\u70ba\u5b8c\u7f8e\u5e73\u65b9\u6578(isPerfectSquareNumber)\u3002<\/p>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5b9a\u7fa9\u4e00\u500b\u51fd\u6578\uff0c\u8a72\u51fd\u6578\u63a5\u53d7\u4e00\u500b\u6578\u5b57\u4f5c\u70ba\u53c3\u6578\uff0c\u4e26\u8fd4\u56de\u4e00\u500b\u5e03\u723e\u503c\uff0c\u8868\u793a\u8a72\u6578\u5b57\u662f\u5426\u70ba\u5b8c\u7f8e\u5e73\u65b9\u6578\u3002<\/p>\n<pre class=\"brush: typescript\">\nfunction isPerfectSquareNumber(num: number): boolean {\n    \/\/ \u5c07\u53c3\u6578 num \u7684\u5e73\u65b9\u6839\u8a08\u7b97\u51fa\u4f86\n    const sqrtNum = Math.sqrt(num);\n    \/\/ \u5982\u679c sqrtNum \u7684\u6574\u6578\u90e8\u5206\u7b49\u65bc sqrtNum\uff0c\u5247\u8868\u793a num \u662f\u5b8c\u7f8e\u5e73\u65b9\u6578\n    return Math.floor(sqrtNum) === sqrtNum;\n}\n<\/pre>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u9663\u5217\u4f86\u6c42\u51fa\u4e00\u7d44\u6578\u5b57\u4e2d\u7684\u5b8c\u7f8e\u5e73\u65b9\u6578\u3002\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 <code>Array.prototype.filter()<\/code> \u65b9\u6cd5\u4f86\u904e\u6ffe\u51fa\u7b26\u5408\u689d\u4ef6\u7684\u6578\u5b57\uff1a<\/p>\n<pre class=\"brush: typescript\">\nconst numbers = [1, 4, 9, 16, 25, 36, 49, 64, 81];\n\nconst perfectSquareNumbers = numbers.filter(num => isPerfectSquareNumber(num));\n\nconsole.log(perfectSquareNumbers); \/\/ [1, 4, 9, 16, 25, 36, 49, 64, 81]\n<\/pre>\n<p>\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u540d\u70ba <code>numbers<\/code> \u7684\u9663\u5217\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u4e00\u7d44\u6578\u5b57\uff0c\u7136\u5f8c\u6211\u5011\u4f7f\u7528 <code>Array.prototype.filter()<\/code> \u65b9\u6cd5\u4f86\u904e\u6ffe\u51fa\u7b26\u5408\u689d\u4ef6\u7684\u6578\u5b57\uff0c\u6700\u5f8c\u6211\u5011\u5c07\u7d50\u679c\u8f38\u51fa\u5230\u63a7\u5236\u53f0\uff0c\u7d50\u679c\u70ba <code>[1, 4, 9, 16, 25, 36, 49, 64, 81]<\/code>\uff0c\u9019\u4e9b\u6578\u5b57\u6b63\u662f\u6211\u5011\u5b9a\u7fa9\u7684\u9663\u5217\u4e2d\u7684\u5b8c\u7f8e\u5e73\u65b9\u6578\u3002<\/p>\n<p>\u7e3d\u7d50\u4f86\u8aaa\uff0c\u4f7f\u7528 TypeScript \u9663\u5217\u7684\u6c42\u662f\u5426\u70ba\u5b8c\u7f8e\u5e73\u65b9\u6578(isPerfectSquareNumber)\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u6c42\u51fa\u4e00\u7d44\u6578\u5b57\u4e2d\u7684\u5b8c\u7f8e\u5e73\u65b9\u6578\u3002<\/p>\n<p><!--more--><\/p>\n<h2>\u66f4\u591a TypeScript \u76f8\u95dc\u6587\u7ae0<\/h2>\n<ul>\n<li><a href=\"https:\/\/example.com\/typescript-tutorial\" target=\"_blank\" rel=\"noopener\">TypeScript \u6559\u5b78<\/a><\/li>\n<li><a href=\"https:\/\/example.com\/typescript-basics\" target=\"_blank\" rel=\"noopener\">TypeScript \u57fa\u790e<\/a><\/li>\n<li><a href=\"https:\/\/example.com\/typescript-advanced\" target=\"_blank\" rel=\"noopener\">TypeScript \u9032\u968e<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528TypeScript\u4e2d\u7684isPerfectSquareNumber\u51fd\u6578\uff0c\u8a72\u51fd\u6578\u53ef\u4ee5\u7528\u65bc\u6aa2\u67e5\u9663\u5217\u4e2d\u7684\u6578\u5b57\u662f\u5426\u70ba\u5b8c\u7f8e\u5e73\u65b9\u6578\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528\u8a72\u51fd\u6578\uff0c\u4ee5\u53ca\u5b83\u7684\u512a\u9ede\u548c\u7f3a\u9ede\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-5386","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\/pcFK27-1oS","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5386","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=5386"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5386\/revisions"}],"predecessor-version":[{"id":5387,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5386\/revisions\/5387"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5386"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5386"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5386"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}