题解 | #流程控制#

代码块
function fizzBuzz(num) {
    return num === undefined || typeof num !== 'number' ? false : 
    (num % 3 === 0 && num % 5 === 0 ? 'fizzbuzz' : 
        (num % 3 === 0 ? 'fizz':
             (num % 5 === 0 ? 'buzz': num)
        )
    )
}