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

Programming Exercises

Write a function that returns the most frequently occurring element in an array.

Medium

Problem Statement

Write a function that returns the most frequently occurring element in an array.

Sample Input

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

Sample Output

3

Limits

Time: 2s · Memory: 256 MB

Code Editor
00:00
// Find the most frequently occurring element in an array function mostFrequent(arr) { } console.log(mostFrequent([1, 2, 2, 3, 3, 3, 4]));
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Input
[1, 2, 2, 3, 3, 3, 4]
Expected Output
3