Repeat a given string (first argument) n times (second argument). Return an empty string if n is a negative number.

bonfire-repeat-a-string-repeat-a-string.js

// Bonfire: Repeat a string repeat a string
// Author: @joepichardo
// Challenge: http://www.freecodecamp.com/challenges/bonfire-repeat-a-string-repeat-a-string
// Learn to Code at Free Code Camp (www.freecodecamp.com)

function repeat(str, num) {
  // repeat after me
  
  //creates an empty string to return 
  //if num is less than 0
  //if num isn't string is add "num" times
  //then returned
  var addToString = "";
  if(num > 0){
    
    for(var i = 0; i < num; i++){
      addToString += str;
    }
    return addToString;
  }
  
  return addToString;
}

repeat("abc", 3);