diff --git a/src/math/random-data-generator/RandomDataGenerator.js b/src/math/random-data-generator/RandomDataGenerator.js
index 25a1236a82..c0acf74686 100644
--- a/src/math/random-data-generator/RandomDataGenerator.js
+++ b/src/math/random-data-generator/RandomDataGenerator.js
@@ -349,10 +349,10 @@ var RandomDataGenerator = new Class({
      * @since 3.0.0
      *
      * @generic T
-     * @genericUse {T[]} - [array]
+     * @genericUse {ArrayLike<T>} - [array]
      * @genericUse {T} - [$return]
      *
-     * @param {T[]} array - The array to pick a random element from.
+     * @param {ArrayLike<T>} array - The array (or array-like object) to pick a random element from.
      *
      * @return {T} A random member of the array.
      */
@@ -370,6 +370,8 @@ var RandomDataGenerator = new Class({
      *
      * @return {number} -1 or +1.
      */
+    // NB: Catharsis (the underlying parser used by JSDoc) does not support parsing negative numbers inside types.
+    // Moreover, the `jsdoc` package used for typegen is (effectively) unmaintained, preventing us from typing this as `-1 | 1`.
     sign: function ()
     {
         return this.pick(this.signs);
@@ -382,10 +384,10 @@ var RandomDataGenerator = new Class({
      * @since 3.0.0
      *
      * @generic T
-     * @genericUse {T[]} - [array]
+     * @genericUse {ArrayLike<T>} - [array]
      * @genericUse {T} - [$return]
      *
-     * @param {T[]} array - The array to pick a random element from.
+     * @param {ArrayLike<T>} array - The array (or array-like object) to pick a random element from.
      *
      * @return {T} A random member of the array.
      */
diff --git a/types/phaser.d.ts b/types/phaser.d.ts
index 62345ca813..b976644eea 100644
--- a/types/phaser.d.ts
+++ b/types/phaser.d.ts
@@ -90353,10 +90353,10 @@ declare namespace Phaser {
 
             /**
              * Returns a random element from within the given array.
-             * @param array The array to pick a random element from.
+             * @param array The array (or array-like object) to pick a random element from.
              * @returns A random member of the array.
              */
-            pick<T>(array: T[]): T;
+            pick<T>(array: ArrayLike<T>): T;
 
             /**
              * Returns a randomly selected sign value, either -1 or +1. Useful for multiplying a value
@@ -90367,10 +90367,10 @@ declare namespace Phaser {
 
             /**
              * Returns a random element from within the given array, favoring the earlier entries.
-             * @param array The array to pick a random element from.
+             * @param array The array (or array-like object) to pick a random element from.
              * @returns A random member of the array.
              */
-            weightedPick<T>(array: T[]): T;
+            weightedPick<T>(array: ArrayLike<T>): T;
 
             /**
              * Returns a random timestamp between min and max, or between the beginning of 2000 and the end of 2020 if min and max aren't specified.
@@ -130528,7 +130528,8 @@ declare namespace Phaser {
              * @param y The y coordinate of the pixel within the Texture.
              * @param key The unique string-based key of the Texture.
              * @param frame The string or index of the Frame.
-             * @returns A Color object populated with the color values of the requested pixel,
or `null` if the coordinates were out of bounds.
+             * @returns A Color object populated with the color values of the requested pixel,
+             * or `null` if the coordinates were out of bounds.
              */
             getPixel(x: number, y: number, key: string, frame?: string | number): Phaser.Display.Color | null;
 
@@ -131924,7 +131925,8 @@ declare namespace Phaser {
              * GID this set will use here. Default 0.
              * @param tileOffset Tile texture drawing offset.
              * If not specified, it will default to {0, 0} Default {x: 0, y: 0}.
-             * @returns Returns the Tileset object that was created or updated, or null if it
failed.
+             * @returns Returns the Tileset object that was created or updated, or null if it
+             * failed.
              */
             addTilesetImage(tilesetName: string, key?: string, tileWidth?: number, tileHeight?: number, tileMargin?: number, tileSpacing?: number, gid?: number, tileOffset?: object): Phaser.Tilemaps.Tileset | null;
 
@@ -137833,7 +137835,8 @@ declare namespace Phaser {
              * Returns the texture coordinates (UV in pixels) in the Tileset image for the given tile index.
              * Returns null if tile index is not contained in this Tileset.
              * @param tileIndex The unique id of the tile across all tilesets in the map.
-             * @returns Object in the form { x, y } representing the top-left UV coordinate
within the Tileset image.
+             * @returns Object in the form { x, y } representing the top-left UV coordinate
+             * within the Tileset image.
              */
             getTileTextureCoordinates(tileIndex: number): object | null;
 
@@ -139243,7 +139246,8 @@ declare namespace Phaser {
                  * @param insertNull Controls how empty tiles (those with an index of -1) are stored in
                  * the LayerData. If `true`, empty tile positions are stored as `null`. If `false`, a Tile object
                  * with an index of -1 is created for each empty position instead.
-                 * @returns - An array of LayerData objects, one for each entry in
json.layer.
+                 * @returns - An array of LayerData objects, one for each entry in
+                 * json.layer.
                  */
                 function ParseTileLayers(json: object, insertNull: boolean): Phaser.Tilemaps.LayerData[];
 
@@ -139412,7 +139416,8 @@ declare namespace Phaser {
                  * @param json The Tiled JSON object.
                  * @param insertNull Controls how empty tiles, tiles with an index of -1, in the map
                  * data are handled (see {@link Phaser.Tilemaps.Parsers.Tiled.ParseJSONTiled}).
-                 * @returns - An array of LayerData objects, one for each entry in
json.layers with the type 'tilelayer'.
+                 * @returns - An array of LayerData objects, one for each entry in
+                 * json.layers with the type 'tilelayer'.
                  */
                 function ParseTileLayers(json: object, insertNull: boolean): Phaser.Tilemaps.LayerData[];