plus plus js code example
Example: plus minus js
function plusMinus(arr) { let positives = 0, negatives = 0, zeros = 0; const len = arr.length || 0; if (len > 0 && len <= 100) { arr.map((elem, key) => { if (elem > 0) { positives++; } else if (elem < 0) { negatives++; } else { zeros++; } return elem; }); } console.log((positives / len) || 0); console.log((negatives / len) || 0); console.log((zeros / len) || 0); }