Use multiple conditional operators in the checkSign function to check if a number is positive, negative or zero. The function should return "positive", "negative" or "zero". code example

Example: Use multiple conditional operators in the checkSign function to check if a number is positive, negative or zero. The function should return "positive", "negative" or "zero".

function checkSign(num) {
  return (num > 0) ? 'positive' : (num < 0) ? 'negative' : 'zero';
}