Daily JavaScript Challenge #JS- Find the First Repeated Character in a String

Daily JavaScript Challenge: Find the first repeated character in the string

Developers, hello everyone! ? Welcome to today's JavaScript coding challenge. Let us keep the sharp programming skills together!

Challenge

Difficulty

: Simple

Theme : String operation

Description Given a string, find and return the first repeated character. If there is no such character, return NULL.

Is it ready to start?

https://www.php.cn/link/2626669a8167ce41bb83b6b84a1b5b05

Participate in this challenge

Writing your solution

Use the test case provided for testing

1. Share your method in the comments below!
Want to learn more?
View the document about this theme here:
4. https://www.php.cn/link/24a7FFE3BDA20532C5F116825FF5DFCF

Join the discussion!

How do you solve this problem?

Have you found any interesting edge situation?

What did you learn from this challenge?

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• This is part of our daily JavaScript challenge series. Follow me, get daily programming challenges, let us grow together! ?

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