02_0_fizzbuzz.md

FizzBuzz

Output or log from 1 to n, sequentially...

• Fizz >> If number is multiple of 3
• Buzz >> If number is multiple of 5
• FizzBuzz >> If number is multiple of 3 and 5
• In other cases, the value of the number

NOTE: You will see this question also in the form of...

Given a number, return Fizz, Buzz, FizzBuzz or the number

Solution:

function fizzBuzz(num) {
  
  // We check that the type of num is number
  if (typeof num !== 'number') return NaN;
  
  for (let i = 1; i < num; i++) {
    if (i % 15 === 0) {
      console.log('FizzBuzz');
    } else if (i % 3 === 0) {
      console.log('Fizz');
    } else if (i % 5 === 0) {
      console.log('Buzz');
    } else {
      console.log(i);
    }
  }
}

fizzBuzz(20);

Result:

1
2
Fizz
4
Buzz
Fizz
7
8
Fizz
Buzz
11
Fizz
13
14
FizzBuzz
16
17
Fizz
19