Daily JavaScript Challenge #JS-72: Count the Frequency of Every Unique Element in an Array

Daily JavaScript Challenge: Count the Frequency of Every Unique Element in an Array

Hey fellow developers! đź‘‹ Welcome to today’s JavaScript coding challenge. Let’s keep those programming skills sharp!

The Challenge

Difficulty: Me…


This content originally appeared on DEV Community and was authored by DPC

Daily JavaScript Challenge: Count the Frequency of Every Unique Element in an Array

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

The Challenge

Difficulty: Medium

Topic: Data Structures

Description

Given an array of integers, count the frequency of every unique element and return an object where the keys are the elements and the values are their frequencies in the array.

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/Object

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


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APA

DPC | Sciencx (2025-01-14T00:00:54+00:00) Daily JavaScript Challenge #JS-72: Count the Frequency of Every Unique Element in an Array. Retrieved from https://www.scien.cx/2025/01/14/daily-javascript-challenge-js-72-count-the-frequency-of-every-unique-element-in-an-array/

MLA
" » Daily JavaScript Challenge #JS-72: Count the Frequency of Every Unique Element in an Array." DPC | Sciencx - Tuesday January 14, 2025, https://www.scien.cx/2025/01/14/daily-javascript-challenge-js-72-count-the-frequency-of-every-unique-element-in-an-array/
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DPC | Sciencx Tuesday January 14, 2025 » Daily JavaScript Challenge #JS-72: Count the Frequency of Every Unique Element in an Array., viewed ,<https://www.scien.cx/2025/01/14/daily-javascript-challenge-js-72-count-the-frequency-of-every-unique-element-in-an-array/>
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DPC | Sciencx - » Daily JavaScript Challenge #JS-72: Count the Frequency of Every Unique Element in an Array. [Internet]. [Accessed ]. Available from: https://www.scien.cx/2025/01/14/daily-javascript-challenge-js-72-count-the-frequency-of-every-unique-element-in-an-array/
CHICAGO
" » Daily JavaScript Challenge #JS-72: Count the Frequency of Every Unique Element in an Array." DPC | Sciencx - Accessed . https://www.scien.cx/2025/01/14/daily-javascript-challenge-js-72-count-the-frequency-of-every-unique-element-in-an-array/
IEEE
" » Daily JavaScript Challenge #JS-72: Count the Frequency of Every Unique Element in an Array." DPC | Sciencx [Online]. Available: https://www.scien.cx/2025/01/14/daily-javascript-challenge-js-72-count-the-frequency-of-every-unique-element-in-an-array/. [Accessed: ]
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» Daily JavaScript Challenge #JS-72: Count the Frequency of Every Unique Element in an Array | DPC | Sciencx | https://www.scien.cx/2025/01/14/daily-javascript-challenge-js-72-count-the-frequency-of-every-unique-element-in-an-array/ |

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