题解 | #计数器#
计数器
https://www.nowcoder.com/practice/59154c37d06c41b5b0e19b3b26272229
{"html":"<!DOCTYPE html>\r\n<html>\r\n <head>\r\n <meta charset=utf-8>\r\n </head>\r\n <body>\r\n \t\r\n <script type=\"text/javascript\">\r\n const closure = () => {\r\n // 补全代码\r\n let counter = 0;\r\n\r\n return function () {\r\n return ++counter;\r\n }\r\n }\r\n </script>\r\n </body>\r\n</html>","css":"/* html, body {\\n\\twidth: 100%;\\n\\theight: 100%;\\n\\tmargin: 0;\\n\\tpadding: 0;\\n} */","js":"// 请在这里输入代码"}
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