Daily JavaScript Challenge: Find the First Repeated Character in a String
Hey fellow developers! 👋 Welcome to today's JavaScript coding challenge. Let's keep those programming skills sharp!
The Challenge
Difficulty: Easy
Topic: String Manipulation
Description
Given a string, find and return the first character that repeats. If there is no such character, return null.
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/Reference/Global_Objects/Set
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! 🚀
Top comments (5)
Your code for the first snippet returns 'f' when it should return 'q'
you right, may I misunerstund the request and write a first repeated char not second occurance.
The login page has poor UX btw, the form doesn't show any errors if they are made.
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