JSFiddle - React, Tailwind, and code Playground

by nomadev

JavaScript

function plusMinus(arr) {
    let p = 0, n = 0, z = 0;
    for(let k = 0; k < arr.length; k++) {
    		if(arr[k] === 0) {
        	z++;
        } else if (arr[k] < 0) {
        	n++;
        } else {
        	p++;
        }
    }
    const l = arr.length;
    console.log(p / l );
    console.log(n / l );
    console.log(z / l);
}


console.log(plusMinus([ -4, 3, -9, 0, 4, 1 ]))