solution(javascript): Problems 26 and 344

Problems:
26. Remove Duplicates from Sorted Array
344. Reverse String

Easy/26. Remove Duplicates from Sorted Array/Solution.js

@@ -1,3 +1,4 @@
+// Solution # 1
 const removeDuplicates = function (nums) {
     let uniqueCount = 1; // Initialize the count of unique elements.
 
@@ -11,3 +12,15 @@ const removeDuplicates = function (nums) {
 
     return uniqueCount;
 };
+
+// Solution # 2
+function removeDuplicates(nums) {
+    // Use filter to create a new array with unique elements
+    const uniqueArray = nums.filter((value, index) => nums.indexOf(value) === index);
+
+    // Copy the unique elements back to the original array
+    for (let i = 0; i < uniqueArray.length; i++) {
+        nums[i] = uniqueArray[i];
+    }
+    return uniqueArray.length;
+}

Easy/344. Reverse String/Solution.js

@@ -0,0 +1,4 @@
+var reverseString = function (s) {
+    s.reverse();
+    return s;
+};