Quick fizzbuzz examples different levels

fizzbuzz.js

// FIZZBUZZ Simple
for (var i = 1; i <= 100; i++) {
  var fizz = 3; 
  var buzz = 5;

  if (i % 3 === 0 && i % 5 === 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 Intermediate
for (var i = 1; i <= 100; i++) {
  var fizz = 3; 
  var buzz = 5;
  var input = '';

  if (i % 3 === 0) {
    input += 'Fizz';
  }

  if (i % 5 === 0) {
    input += 'Buzz';
  }

  if (input === ''){
    input = i;
  }
  console.log(input);
}

// FIZZBUZZ Advanced
for (var i = 1; i <= 100; i++) {
  var words = [
    {'Fizz': 3},
    {'Buzz': 5},
    {'Bar': 6},
  ];
  var input = '';

  words.forEach(function(word) {
    var objs = Object.entries(word)[0];
    if (i % objs[1] === 0) {
      input += objs[0];
    }
  });

  if (input === ''){
    input = i;
  }
  console.log(input);
}