metodo para determinar dato que más se repita dentro del arreglo y que lo imprima

Script
  function moreFrequent(numbers) {
    var repetitions = [];
    for (var i = 0; i < numbers.length; i++) {
      repetitions[numbers[i]] = (repetitions[numbers[i]] || 0) + 1;
    }
    var max = 0;
    var maxNum;
    for (var property in repetitions) {
      if (repetitions[property] > max) {
        max = repetitions[property];
        maxNum = property;
      }
    }
    return maxNum
  }