Back to Problem Library Part of JavaScript Core & Internals Roadmap →

Arrays & Iterables

Array Difference

easyJS SpecificJS / TS3 tests

Problem Statement

Implement `difference(arr1, arr2)` that returns an array of values from `arr1` that are not present in `arr2`.

Examples

Example 1:
difference([1, 2, 3, 4], [2, 4]); // [1, 3]

JavaScript & TypeScript starter code included

Run this as a live interview

Practice solo

3 test cases. No second person needed.