fizzBuzzDrillJS created by dtstanley - https://repl.it/G9KW/266

fizzBuzzDrillJS.js

function fizzBuzz(countTo) {
  
var newCountTo = [];
for (var i =1; i<= countTo.length; i++){
    //compare countTo[i] to 3 and chg countTo[i] to fizz
    if (countTo[i]%3 ===0){
      newCountTo[i] = 'fizz';
    }
      //compare countTo[i] to 5 and chg countTo[i] to buzz
    if (countTo[i]%5 ===0){
      newCountTo[i] = 'buzz';
    }
      //compare countTo[i] to 15 and chg countTo[i] to fizzBuzz
    if (countTo[i]%3 ===0 && countTo[i]%5 ===0){
      newCountTo[i] = 'fizzbuzz';
    }
  }
     return newCountTo;
}




/* From here down, you are not expected to 
   understand.... for now :)  
   
   
   Nothing to see here!
   
*/



// tests
(function testFizzBuzz() {
  // we'll use the variables in our test cases
  var countTo = 16;
  var expected = [
    1, 2, 'fizz', 4, 'buzz', 'fizz', 7, 8, 'fizz',
    'buzz', 11, 'fizz', 13, 14, 'fizzbuzz', 16
  ];

  var actual = fizzBuzz(countTo) || [];
  
  if (
    expected.length === actual.length &&
    expected.every(function(item, index) {
      return actual[index] === item;}) ) {
    
      console.log('SUCCESS: fizzBuzz is working');
  }
  else {
    console.log('FAILURE: fizzBuzz is not working');
  }  
})();