code: function(str, howMany) {
  			var result = [];
  			
  			for (var i = 0; i < howMany; i++) 
  				result.push(str);
  				
  			return result.join('');
  		}
docs: Repeats string <code>howMany</code> times
  @param {String} str
  @param {Number} how_many
  @return {String}