Update random.js jsdoc

js/random.js

@@ -55,9 +55,10 @@ function jsRandom(min, max, count = 1) {
 
 /**
  * Chooses multiple random elements of an array.
- * @param {number[]} arr
+ * @template {*} T
+ * @param {Array<T>} arr
  * @param {number} count
- * @returns {number[]}
+ * @returns {Array<T>}
  */
 function jsRandomMany(arr, count) {
 	let result = [];
@@ -71,15 +72,16 @@ function jsRandomMany(arr, count) {
 
 /**
  * Accepts both an array and a list, returns undefined if nothing is passed.
- * @param {any[]} choices
- * @param {any} [otherChoices]
- * @returns {any}
+ * @template {*} T
+ * @param {Array<T>} choices
+ * @param {...T} [otherChoices]
+ * @returns {T}
  */
 function jsEither(choices, ...otherChoices) {
 	if (otherChoices.length === 0 && Array.isArray(choices)) {
 		return choices[Math.floor(Math.random() * choices.length)];
 	}
 	const allChoices = otherChoices;
-	allChoices.push(choices);
+	allChoices.push(...choices);
 	return allChoices[Math.floor(Math.random() * allChoices.length)];
 }