hackerrank plus minus javascript

const plusMinus = (arr) => {
  let posSum = 0;
  let negSum = 0
  let zeroes = 0
  arr.forEach(el => {
    if(el === 0){
      zeroes++

    } else if (el >= 1) {
      posSum++

    } else if (el < 0) {
      negSum++
      
    }
  })
    negSum /= arr.length
    posSum /= arr.length
    zeroes /= arr.length
    console.log(posSum)
    console.log(negSum)
    console.log(zeroes)
}
plusMinus([1,1,0,-1,-1])