2016 Update

Task/99-Bottles-of-Beer/JavaScript/99-bottles-of-beer-3.js

@@ -1,2 +1,11 @@
-// Line breaks are in HTML
-var beer; while ((beer = typeof beer === "undefined" ? 99 : beer) > 0) document.write( beer + " bottle" + (beer != 1 ? "s" : "") + " of beer on the wall<br>" + beer + " bottle" + (beer != 1 ? "s" : "") + " of beer<br>Take one down, pass it around<br>" + (--beer) + " bottle" + (beer != 1 ? "s" : "") + " of beer on the wall<br>" );
+var bottles = 99;
+var songTemplate  = "{X} bottles of beer on the wall \n" +
+                    "{X} bottles of beer \n"+
+                    "Take one down, pass it around \n"+
+                    "{X-1} bottles of beer on the wall \n";
+
+function song(x, txt) {
+  return txt.replace(/\{X\}/gi, x).replace(/\{X-1\}/gi, x-1) + (x > 1 ? song(x-1, txt) : "");
+}
+
+console.log(song(bottles, songTemplate));

Task/99-Bottles-of-Beer/JavaScript/99-bottles-of-beer-4.js

@@ -1,25 +1,2 @@
-function Bottles(count) {
-  this.count = count || 99;
-}
-
-Bottles.prototype.take = function() {
-  var verse = [
-    this.count + " bottles of beer on the wall,",
-    this.count + " bottles of beer!",
-    "Take one down, pass it around",
-    (this.count - 1) + " bottles of beer on the wall!"
-  ].join("\n");
-
-  console.log(verse);
-
-  this.count--;
-};
-
-Bottles.prototype.sing = function() {
-  while (this.count) {
-    this.take();
-  }
-};
-
-var bar = new Bottles(99);
-bar.sing();
+// Line breaks are in HTML
+var beer; while ((beer = typeof beer === "undefined" ? 99 : beer) > 0) document.write( beer + " bottle" + (beer != 1 ? "s" : "") + " of beer on the wall<br>" + beer + " bottle" + (beer != 1 ? "s" : "") + " of beer<br>Take one down, pass it around<br>" + (--beer) + " bottle" + (beer != 1 ? "s" : "") + " of beer on the wall<br>" );

Task/99-Bottles-of-Beer/JavaScript/99-bottles-of-beer-5.js

@@ -1,18 +1,25 @@
-function bottleSong(n) {
-  if (!isFinite(Number(n)) || n == 0) n = 100;
-  var a  = '%% bottles of beer',
-      b  = ' on the wall',
-      c  = 'Take one down, pass it around',
-      r  = '<br>'
-      p  = document.createElement('p'),
-      s  = [],
-      re = /%%/g;
-
-  while(n) {
-    s.push((a+b+r+a+r+c+r).replace(re, n) + (a+b).replace(re, --n));
-  }
-  p.innerHTML = s.join(r+r);
-  document.body.appendChild(p);
+function Bottles(count) {
+  this.count = count || 99;
 }
 
-window.onload = bottleSong;
+Bottles.prototype.take = function() {
+  var verse = [
+    this.count + " bottles of beer on the wall,",
+    this.count + " bottles of beer!",
+    "Take one down, pass it around",
+    (this.count - 1) + " bottles of beer on the wall!"
+  ].join("\n");
+
+  console.log(verse);
+
+  this.count--;
+};
+
+Bottles.prototype.sing = function() {
+  while (this.count) {
+    this.take();
+  }
+};
+
+var bar = new Bottles(99);
+bar.sing();

Task/99-Bottles-of-Beer/JavaScript/99-bottles-of-beer-6.js

@@ -0,0 +1,18 @@
+function bottleSong(n) {
+  if (!isFinite(Number(n)) || n == 0) n = 100;
+  var a  = '%% bottles of beer',
+      b  = ' on the wall',
+      c  = 'Take one down, pass it around',
+      r  = '<br>'
+      p  = document.createElement('p'),
+      s  = [],
+      re = /%%/g;
+
+  while(n) {
+    s.push((a+b+r+a+r+c+r).replace(re, n) + (a+b).replace(re, --n));
+  }
+  p.innerHTML = s.join(r+r);
+  document.body.appendChild(p);
+}
+
+window.onload = bottleSong;