Time: 49 ms (65.84%), Space: 48.5 MB (76.08%) - LeetHub

2026-06-13 03:27:07 +00:00 · 2024-11-25 15:44:09 -05:00
parent 031c5b679c
commit 5f5c287bd7
1 changed files with 11 additions and 0 deletions
@@ -0,0 +1,11 @@
+/**
+ * @return {null|boolean|number|string|Array|Object}
+ */
+Array.prototype.last = function() {
+    return this.length === 0 ? -1 : this[this.length - 1]
+};
+
+/**
+ * const arr = [1, 2, 3];
+ * arr.last(); // 3
+ */