DEV Community

DPC
DPC

Posted on

3 3 2 1 3

Daily JavaScript Challenge #JS-41: Remove Consecutive Duplicates in a String

Daily JavaScript Challenge: Remove Consecutive Duplicates in a String

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

The Challenge

Difficulty: Medium

Topic: String Manipulation

Description

Write a function that takes a string as input and returns a new string with all consecutive duplicate characters removed. The order of the characters should be preserved except for consecutive duplicates, which should be reduced to a single character.

Ready to Begin?

https://www.dpcdev.com/

  1. Fork this challenge
  2. Write your solution
  3. Test it against the provided test cases
  4. 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/String

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! 🚀

javascript #programming #coding #dailycodingchallenge #webdev

Sentry image

See why 4M developers consider Sentry, “not bad.”

Fixing code doesn’t have to be the worst part of your day. Learn how Sentry can help.

Learn more

Top comments (0)

Image of PulumiUP 2025

Let's talk about the current state of cloud and IaC, platform engineering, and security.

Dive into the stories and experiences of innovators and experts, from Startup Founders to Industry Leaders at PulumiUP 2025.

Register Now

👋 Kindness is contagious

Please leave a ❤️ or a friendly comment on this post if you found it helpful!

Okay