Phaser.ArrayUtils.numberArray now has optional prefix and suffix arguments, allowing you to do: numberArray(1, 4, 'Level ') and the Array will contain ["Level 1", "Level 2", "Level 3", "Level 4"].

Author: photonstorm

README.md

@@ -357,6 +357,7 @@ You can read all about the philosophy behind Lazer [here](http://phaser.io/news/
 * Device.css3D has been removed, and the function that tested it is no longer run.
 * Device.isConsoleOpen has been removed. The function only worked on a very limited set of old browsers.
 * Device.littleEndian has been removed, you can use Device.LITTLE_ENDIAN instead.
+* Phaser.ArrayUtils.numberArray now has optional `prefix` and `suffix` arguments, allowing you to do: `numberArray(1, 4, 'Level ')` and the Array will contain `["Level 1", "Level 2", "Level 3", "Level 4"]`.
 
 
 ### Bug Fixes

src/utils/ArrayUtils.js

@@ -260,25 +260,51 @@ Phaser.ArrayUtils = {
     },
 
     /**
-    * Create an array representing the inclusive range of numbers (usually integers) in `[start, end]`.
+    * Create an array representing the range of numbers (usually integers), between, and inclusive of,
+    * the given `start` and `end` arguments. For example:
+    *
+    * `var array = numberArray(2, 4); // array = [2, 3, 4]`
+    * `var array = numberArray(0, 9); // array = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]`
+    * 
     * This is equivalent to `numberArrayStep(start, end, 1)`.
+    * 
+    * You can optionally provide a prefix and / or suffix string. If given the array will contain
+    * strings, not integers. For example:
+    * 
+    * `var array = numberArray(1, 4, 'Level '); // array = ["Level 1", "Level 2", "Level 3", "Level 4"]`
+    * `var array = numberArray(5, 7, 'HD-', '.png'); // array = ["HD-5.png", "HD-6.png", "HD-7.png"]`
     *
     * @method Phaser.ArrayUtils#numberArray
     * @param {number} start - The minimum value the array starts with.
     * @param {number} end - The maximum value the array contains.
-    * @return {number[]} The array of number values.
+    * @param {string} [prefix] - Optional prefix to place before the number. If provided the array will contain strings, not integers.
+    * @param {string} [suffix] - Optional suffix to place after the number. If provided the array will contain strings, not integers.
+    * @return {number[]|string[]} The array of number values, or strings if a prefix or suffix was provided.
     */
-    numberArray: function (start, end) {
-
+    numberArray: function (start, end, prefix, suffix)
+    {
         var result = [];
 
         for (var i = start; i <= end; i++)
         {
-            result.push(i);
+            if (prefix || suffix)
+            {
+                var key = (prefix) ? prefix + i.toString() : i.toString();
+
+                if (suffix)
+                {
+                    key = key.concat(suffix);
+                }
+
+                result.push(key);
+            }
+            else
+            {
+                result.push(i);
+            }
         }
 
         return result;
-
     },
 
     /**