Practice Real Company Assessment Patterns • Latest 2025–2026 Mock Tests

Programming Exercises

Create a function to find the unique elements in an array of numbers.

Medium

Problem Statement

Create a function to find the unique elements in an array of numbers.

Sample Input

[1, 2, 3, 2, 4, 1, 5]

Sample Output

[ 1, 2, 3, 4, 5 ]

Limits

Time: 2s · Memory: 256 MB

Code Editor
00:00
// Find unique elements in an array function uniqueElements(arr) { } console.log(uniqueElements([1, 2, 3, 2, 4, 1, 5]));
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Input
[1, 2, 3, 2, 4, 1, 5]
Expected Output
[ 1, 2, 3, 4, 5 ]