text: var days = [
      'first', 'second', 'third', 'fourth', 'fifth', 'sixth', 'seventh', 'eighth', 'ninth',
      'tenth', 'eleventh', 'twelfth',
  ];
  
  var gifts = [
      "A partridge in a pear tree",
      "Two turtle doves",
      "Three french hens",
      "Four calling birds",
      "Five golden rings",
      "Six geese a-laying",
      "Seven swans a-swimming",
      "Eight maids a-milking",
      "Nine ladies dancing",
      "Ten lords a-leaping",
      "Eleven pipers piping",
      "Twelve drummers drumming"
  ];
  
  var lines, verses = [], song;
  
  for ( var i = 0; i < 12; i++ ) {
  
      lines = [];
      lines[0] = "On the " + days[i] + " day of Christmas, my true love gave to me";
  
      var j = i + 1;
      var k = 0;
      while ( j-- > 0 )
          lines[++k] = gifts[j];
  
  
      verses[i] = lines.join('\n');
  
      if ( i == 0 )
          gifts[0] = "And a partridge in a pear tree";
  
  }
  
  song = verses.join('\n\n');
  document.write(song);
  