Test quest javascript / Save The Day

countOfSymbol.js

function countOfSymbol(arr) {
  let filter2 = (v) => v == '2'
  return arr.map((v) => v.toString().split(''))
    .reduce((prev, curr) => prev.filter(filter2).length >= curr.filter(filter2).length ? prev : curr, [])
    .join('') || null
}

let simpleArr = [11, 22, 23]
let dumb = [1]

console.log(countOfSymbol(dumb))

cutWords.js

function countOfSymbol(arr) {
  let filter2 = (v) => v == '2'
  return arr.map((v) => v.toString().split(''))
    .reduce((prev, curr) => prev.filter(filter2).length >= curr.filter(filter2).length ? prev : curr, [])
    .join('') || null
}

let simpleArr = [11, 22, 23]
let dumb = [1]

console.log(countOfSymbol(dumb))