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Task/The-Twelve-Days-of-Christmas/JavaScript/the-twelve-days-of-christmas.js

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+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);