fizz_buzz.js

// The naive way

for( var i=1; i <= 100; i++ ){
	if( i % 3 === 0 )
		console.log("Fizz")
	if( i % 5 === 0 && i % 3 !== 0 )
		console.log("Buzz")
	if( i % 5 === 0 && i % 3 === 0)
		console.log("FizzBuzz")
    if( i % 5 !== 0 && i % 3 !== 0)
      console.log(i)
}

fizz_buzz2

// The clever method
for(var i = 1; i<=100; i++){
	var output = "";
	if(i % 3 === 0)
		output += "Fizz"
	if(i % 5 === 0)
		output += "Buzz"
	console.log(output || i)
}

FizzBuzz.md

Two ways to FizzBuzz

Clever and Naive