tracks/javascript/exercises/twelve-days/example.js in trackler-2.2.1.49 vs tracks/javascript/exercises/twelve-days/example.js in trackler-2.2.1.50

@@ -1,50 +1,48 @@
-var TwelveDays = function() {
+var TwelveDays = function () {
   this.verseList = [
-      'On the first day of Christmas my true love gave to me, a Partridge in a Pear Tree.',
-      'On the second day of Christmas my true love gave to me, two Turtle Doves, and a Partridge in a Pear Tree.',
-      'On the third day of Christmas my true love gave to me, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.',
-      'On the fourth day of Christmas my true love gave to me, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.',
-      'On the fifth day of Christmas my true love gave to me, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.',
-      'On the sixth day of Christmas my true love gave to me, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.',
-      'On the seventh day of Christmas my true love gave to me, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.',
-      'On the eighth day of Christmas my true love gave to me, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.',
-      'On the ninth day of Christmas my true love gave to me, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.',
-      'On the tenth day of Christmas my true love gave to me, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.',
-      'On the eleventh day of Christmas my true love gave to me, eleven Pipers Piping, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.',
-      'On the twelfth day of Christmas my true love gave to me, twelve Drummers Drumming, eleven Pipers Piping, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.',
-    ];
-
-  
+    'On the first day of Christmas my true love gave to me, a Partridge in a Pear Tree.',
+    'On the second day of Christmas my true love gave to me, two Turtle Doves, and a Partridge in a Pear Tree.',
+    'On the third day of Christmas my true love gave to me, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.',
+    'On the fourth day of Christmas my true love gave to me, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.',
+    'On the fifth day of Christmas my true love gave to me, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.',
+    'On the sixth day of Christmas my true love gave to me, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.',
+    'On the seventh day of Christmas my true love gave to me, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.',
+    'On the eighth day of Christmas my true love gave to me, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.',
+    'On the ninth day of Christmas my true love gave to me, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.',
+    'On the tenth day of Christmas my true love gave to me, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.',
+    'On the eleventh day of Christmas my true love gave to me, eleven Pipers Piping, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.',
+    'On the twelfth day of Christmas my true love gave to me, twelve Drummers Drumming, eleven Pipers Piping, ten Lords-a-Leaping, nine Ladies Dancing, eight Maids-a-Milking, seven Swans-a-Swimming, six Geese-a-Laying, five Gold Rings, four Calling Birds, three French Hens, two Turtle Doves, and a Partridge in a Pear Tree.'
+  ];
 };
 
-TwelveDays.prototype.startFromZero = function(oneIndexArray) {
-  var newArray = oneIndexArray.map(function(item) { return item - 1; });
+TwelveDays.prototype.startFromZero = function (oneIndexArray) {
+  var newArray = oneIndexArray.map(function (item) { return item - 1; });
   return newArray;
 };
 
-TwelveDays.prototype.singleVerse = function(verseIndex) {
+TwelveDays.prototype.singleVerse = function (verseIndex) {
   var verse = this.verseList[verseIndex].concat('\n');
   return verse;
 };
 
-TwelveDays.prototype.multiVerse = function(startIndex, endIndex) {
+TwelveDays.prototype.multiVerse = function (startIndex, endIndex) {
   return this.verseList
-  .filter(function (verse, index) { return index >= startIndex; })
-  .filter(function (verse, index) { return index <= endIndex })
-  .join('\n\n').concat('\n');
+    .filter(function (verse, index) { return index >= startIndex; })
+    .filter(function (verse, index) { return index <= endIndex; })
+    .join('\n\n').concat('\n');
 };
 
-TwelveDays.prototype.verse = function(args) {
+TwelveDays.prototype.verse = function (args) {
   var indexArray = this.startFromZero(args);
 
   if (args.length === 2) {
     return this.multiVerse(indexArray[0], indexArray[1]);
   }
   return this.singleVerse(indexArray[0]);
 };
 
-TwelveDays.prototype.sing = function() {
+TwelveDays.prototype.sing = function () {
   var song = this.verseList.join('\n\n').concat('\n');
   return song;
 };
 
 module.exports = TwelveDays;