FizzBuzz algorithm in javascrjipt

fizzbuzz.js

for (var i =1; i < 21; i++) {
  if( i%3 === 0 && i%5 === 0 ) {
      console.log("FizzBuzz");
  } else if ( i%5 === 0 ) {
      console.log("Buzz");
  } else if (i%3 === 0 ) {
      console.log("Fizz");
  } else {
      console.log(i);
  }    
}