This content originally appeared on DEV Community and was authored by DPC
Daily JavaScript Challenge: Find Missing Numbers in Sequence
Hey fellow developers! đź‘‹ Welcome to today's JavaScript coding challenge. Let's keep those programming skills sharp!
The Challenge
Difficulty: Medium
Topic: Array Manipulation
Description
Given an array containing numbers between 1 and n inclusive, some numbers appear twice, and others are missing. Your task is to find the numbers that are missing from the sequence.
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/Array
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
This content originally appeared on DEV Community and was authored by DPC
DPC | Sciencx (2025-06-29T00:00:53+00:00) Daily JavaScript Challenge #JS-214: Find Missing Numbers in Sequence. Retrieved from https://www.scien.cx/2025/06/29/daily-javascript-challenge-js-214-find-missing-numbers-in-sequence/
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