Daily JavaScript Challenge #JS-198: Find Sum of Digits Until Single Digit

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Daily JavaScript Challenge: Find Sum of Digits Until Single Digit

Hey fellow developers! 👋 Welcome to today's JavaScript coding challenge. Let's keep those programming skills sharp!

The Challenge

Difficulty: Medium

Topic: Recursion

Description

Given a non-negative integer, repeatedly sum its digits until the result is a single digit. For example, if the input is 38, the sum of its digits is 3 + 8 = 11, which is not a single digit. Then, summing the digits of 11 gives 1 + 1 = 2, which is a single digit.

Ready to Begin?

https://www.dpcdev.com/

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Write your solution
Test it against the provided test cases
Share your approach in the comments below!

Want to Learn More?

Check out the documentation about this topic here: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Loops_and_iteration

Join the Discussion!

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This is part of our Daily JavaScript Challenge series. Follow me for daily programming challenges and let's grow together! 🚀

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