Finds all unique values in an array

Unique Array Elements in Javascript.js

/**
 * Returns an array containing the unique elements from the input array.
 *
 * @param {Array} arr - The input array.
 * @return {Array} An array containing the unique elements from the input array.
 */
function uniqueElements(arr) {
    const uniqueArr = []
    const seen = new Set()

    for (const element of arr) {
        if (!seen.has(element)) {
            uniqueArr.push(element)
            seen.add(element)
        }
    }

    return uniqueArr
}

uniqueElements([1, 2, 2, 3, 4, 4, 5]) // [1, 2, 3, 4, 5]