text: function stray(numbers) {
      // let current = 0;
      // numbers.forEach((num,idx) => {
      //     if (numbers.indexOf(num) === numbers.lastIndexOf(num)) current = num;
      // });
      // return current;
  
      let num =4936;
      let digits = [];
      while (num > 0) {
          digits.unshift(getLastDigit(num))
          num = getRemainder(num);
      }
      return digits;
  
      // return num.toString().split("").map(num => +num)
    }
  
    function getLastDigit(num) {
        return num % 10;
    }
    function getRemainder(num) {
        return (num - getLastDigit(num)) / 10
    }
    console.log(
      stray([1, 1, 2]),// 2
    )