JavaScript XOR Triplets | Count Subarrays Where a == b | Array XOR Problem Solved

Learn how to solve the XOR Triplets Problem in JavaScript! 🚀

In this tutorial, we explain step-by-step how to count the number of triplets (i, j, k) in an array where the XOR of two subarrays are equal:

Input: An array of integers arr

Output: Number of triplets (i, j, k) where a == b

Techniques: Prefix XOR, nested loops, and efficient counting

✅ Example:

Input: arr = [2,3,1,6,7] Output: 4 Triplets: (0,1,2), (0,2,2), (2,3,4), (2,4,4)

This solution works for arrays of size up to 300 elements efficiently. Perfect for JavaScript interviews and coding challenges!

🔹 Code Included: Step-by-step working JavaScript solution using prefix XOR.

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