题解 | #无重复数组#
无重复数组
https://www.nowcoder.com/practice/d2fa3632268b41df9bc417b74802ad8c
{"css":"","js":"","html":"<!DOCTYPE html>\n<html lang=\"en\">\n <head>\n <meta charset=\"UTF-8\">\n </head>\n <body>\n\n <script>\n const _getUniqueNums = (start,end,n) => {\n // 补全代码\n function randomNum(_start,_end){\n return Math.round( Math.random()*(_end - _start) + _start )\n } \n let arr = new Set();\n for(let i = 0; arr.size < n ; i++){\n let r = randomNum(start,end)\n arr.add(r)\n }\n return Array.from(arr) //将set转换成Array\n }\n </script>\n </body>\n</html>","libs":[]}
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