Created question6.js for Unique elements question.

[Faizalimam990]

Unique Elements Function

Description

This repository contains a JavaScript function, uniqueElements, that filters an array of numbers and returns a new array containing only the unique elements. The order of the unique elements is preserved according to their first appearance in the input array.

Unique Elements Function

Usage

You can use the uniqueElements function as follows:

console.log(uniqueElements([1, 2, 2, 3, 4, 4, 5])); // Output: [1, 2, 3, 4, 5]
console.log(uniqueElements([5, 5, 5, 1, 2, 3, 3])); // Output: [5, 1, 2, 3]
console.log(uniqueElements([])); // Output: []