Codecademy-fizzbuzz-bug-appendix.js

const number_of_begin = 1;
const number_of_end = 20;
const word_of_fizz = "Fizz";
const word_of_buzz = "Buzz";

function fizz(n){ return n % 3 == 0; }
function buzz(n){ return n % 5 == 0; }

for(var n=number_of_begin;n<=number_of_end;++n){
  var is_fizz = fizz(n);
  var is_buzz = buzz(n);
  if(is_fizz) console.log(word_of_fizz);
  if(is_buzz) console.log(word_of_buzz);
  else if(!is_fizz) console.log(n);
  // for debug
  console.log("debug log:",n,is_fizz,fizz(n),is_buzz,buzz(n));
}