how to check if number is odd or even in javascript code example

Example 1: js even or

function isEven(n) {
   return n % 2 == 0;
}

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

Example 2: if odd js

function isEven(value) {
    return !(value % 2)
}