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

Programming Exercises

Create a function that returns the square of each number in an array.

Easy

Problem Statement

Create a function that returns the square of each number in an array.

Sample Input

[1, 2, 3, 4, 5]

Sample Output

[ 1, 4, 9, 16, 25 ]

Limits

Time: 2s · Memory: 256 MB

Code Editor
00:00
// Square each number in an array function squareArray(numbers) { return numbers; } console.log(squareArray([1, 2, 3, 4, 5]));
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Input
[1, 2, 3, 4, 5]
Expected Output
[ 1, 4, 9, 16, 25 ]