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?
- Fork this challenge
- 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!
- How did you approach this problem?
- Did you find any interesting edge cases?
- What was your biggest learning from this challenge?
Let's learn together! Drop your thoughts and questions in the comments below. 👇
This is part of our Daily JavaScript Challenge series. Follow me for daily programming challenges and let's grow together! 🚀
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