Function abs

Maths/Abs.js:12–20

(num)

 */

const abs = (num) => {
  const validNumber = +num // converted to number, also can use - Number(num)

  if (Number.isNaN(validNumber) || typeof num === 'object') {
    throw new TypeError('Argument is NaN - Not a Number')
  }

  return validNumber < 0 ? -validNumber : validNumber // if number is less than zero means negative, then it converted to positive. i.e., n = -2 = -(-2) = 2
}

export { abs }