题解 | #实现new操作符#
实现new操作符
https://www.nowcoder.com/practice/71c2aff7cb6641099aa17d56157a91b9
{"html":"<!DOCTYPE html>\n<html>\n <head>\n <meta charset=utf-8>\n </head>\n <body>\n \t\n <script type=\"text/javascript\">\n const _new = function(Contructor) {\n // 补全代码\n var obj = {}\n obj.__proto__ = Contructor.prototype\n var args = Array.prototype.slice.call(arguments, 1)\n var result = Contructor.apply(obj, args)\n if(typeof result === 'object' && result !== null) {\n return result\n }\n return obj\n }\n </script>\n </body>\n</html>","css":"","js":""}
