Answers for "javascript function return even or odd"

Odd number function in javascript

let arr = [1,2,3,4,5,6,7,8,9,10,11,12]

let odds = arr.filter(n => n%2)

console.log(odds)

javascript is number even or odd

// vanilla
function isEven(num) {
   return num % 2 == 0;
}

function isOdd(num) {
   return Math.abs(num % 2) == 1;
}

// ES6
const isEven = num => ((num % 2) == 0);

//bitwise AND operator
const isOdd = function(num) { return num & 1; };
const isEven  = function(num) { return !( num & 1 ); };