How to Efficiently Remove Duplicates from a Sorted Array in JavaScript Using Two Pointers?
I'm having trouble with I'm trying to configure I'm trying to remove duplicates from a sorted array in JavaScript... I understand that since the array is sorted, I can use a two-pointer technique to achieve this efficiently. However, I'm not sure how to correctly implement this without creating a new array and while modifying the original array in place. Here is my current attempt: ```javascript function removeDuplicates(nums) { let uniqueIndex = 0; for (let i = 1; i < nums.length; i++) { if (nums[i] !== nums[uniqueIndex]) { uniqueIndex++; nums[uniqueIndex] = nums[i]; } } return uniqueIndex + 1; // Return the length of the unique elements } const arr = [1, 1, 2, 2, 3, 4, 4]; const uniqueLength = removeDuplicates(arr); console.log(arr.slice(0, uniqueLength)); // Output should be [1, 2, 3, 4] ``` When I run this, the modified array correctly holds the unique values, but Iām unsure if I'm handling edge cases effectively. For example, what if the input array is empty or has all duplicate values? Currently, Iām not receiving any errors, but I want to ensure my solution is robust. Could someone provide insights on best practices or point out any potential issues? Also, is there a more optimal way to achieve this, or is my approach sound? I'm using JavaScript ES6 and running this code in a Node.js environment (version 14.17.0). I'm working on a web app that needs to handle this. Any ideas what could be causing this? My team is using Javascript for this REST API. Am I approaching this the right way? I'm on Windows 11 using the latest version of Javascript. What am I doing wrong? I recently upgraded to Javascript LTS. What's the best practice here? I'm working in a macOS environment.