<ul><li>The challenge for today involves calculating the cumulative sum of an array of numbers.</li><li>The cumulative sum at each index is the sum of the elements from the start up to that index.</li><li>Developers can participate by forking the challenge, writing their solution, and testing it against the provided test cases.</li><li>The challenge also encourages participants to share their approach and learnings in the comments.</li></ul>

Daily JavaScript Challenge #JS-50: Calculate Cumulative Sum of an Array

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