Counts number of even digits

7th exercise - #1295
https://leetcode.com/problems/find-numbers-with-even-number-of-digits/

evenDigits.js

@@ -0,0 +1,37 @@
+/*
+Given an array nums of integers, return how many of them contain an even number of digits.
+ 
+
+Example 1:
+
+Input: nums = [12,345,2,6,7896]
+Output: 2
+Explanation: 
+12 contains 2 digits (even number of digits). 
+345 contains 3 digits (odd number of digits). 
+2 contains 1 digit (odd number of digits). 
+6 contains 1 digit (odd number of digits). 
+7896 contains 4 digits (even number of digits). 
+Therefore only 12 and 7896 contain an even number of digits.
+Example 2:
+
+Input: nums = [555,901,482,1771]
+Output: 1 
+Explanation: 
+Only 1771 contains an even number of digits.
+ 
+
+Constraints:
+
+1 <= nums.length <= 500
+1 <= nums[i] <= 10^5
+*/
+
+//Answer//
+/**
+ * @param {number[]} nums
+ * @return {number}
+ */
+var findNumbers = function(nums) {
+return nums.filter(x=>x.toString().length%2===0).length
+};