function plusMinus(arr) {

    const total = arr.length;

    const totalArray = [0, 0, 0];

        arr.forEach((item) => {

            if (item === 0) {

            totalArray[2]++;

        } else if (item > 0) {

  totalArray[0]++;

} else {

  totalArray[1]++;

}

});

totalArray.forEach((count) => {

const newItem = count / total;

console.log(newItem.toFixed(6));

plusMinus([-4, 3, -9, 0, 4, 1]);