<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> </head> <body> <script> const _getUniqueNums = (start,end,n) => { // 补全代码 let arr = []; let res = []; for(let i = start; i<=end; i++){ arr.push(i); } while(res.length!=n){ let randomindex =...