Add solution #1491

Author: JoshCrozier

README.md

@@ -172,6 +172,7 @@
 1480|[Running Sum of 1d Array](./1480-running-sum-of-1d-array.js)|Easy|
 1481|[Least Number of Unique Integers after K Removals](./1481-least-number-of-unique-integers-after-k-removals.js)|Medium|
 1486|[XOR Operation in an Array](./1486-xor-operation-in-an-array.js)|Easy|
+1491|[Average Salary Excluding the Minimum and Maximum Salary](./1491-average-salary-excluding-the-minimum-and-maximum-salary.js)|Easy|
 1492|[The kth Factor of n](./1492-the-kth-factor-of-n.js)|Medium|
 1496|[Path Crossing](./1496-path-crossing.js)|Easy|
 1502|[Can Make Arithmetic Progression From Sequence](./1502-can-make-arithmetic-progression-from-sequence.js)|Easy|

solutions/1491-average-salary-excluding-the-minimum-and-maximum-salary.js

@@ -0,0 +1,21 @@
+/**
+ * 1491. Average Salary Excluding the Minimum and Maximum Salary
+ * https://leetcode.com/problems/average-salary-excluding-the-minimum-and-maximum-salary/
+ * Difficulty: Easy
+ *
+ * Given an array of unique integers salary where salary[i] is the salary of the employee i.
+ *
+ * Return the average salary of employees excluding the minimum and maximum salary.
+ */
+
+/**
+ * @param {number[]} salary
+ * @return {number}
+ */
+var average = function(salary) {
+  salary.sort((a, b) => a - b);
+  salary.shift();
+  salary.pop();
+
+  return salary.reduce((total, n) => total + n, 0) / salary.length;
+};