Group Array of Objects by Key | Frontend Interview Question | 75 Days JS Coding Challenge - Day 19

Опубликовано: 18 Май 2026
на канале: FullStack Tau
50
1

🚀 Day 19 of 75 Days JavaScript Machine Coding Challenge

In this video, we tackle a popular JavaScript interview problem:
👉 How to group an array of objects by a key?

💡 Problem Statement:
You are given an array of objects with type and value keys. Your task is to group the objects by type and return the grouped data in a specific format.

📌 What you’ll learn today:

Implementing groupByType function in JavaScript.

Using loops, reduce, and modern ES6+ techniques for grouping.

Why grouping data structures is common in interviews and real-world apps.

🔥 A must-watch if you’re preparing for frontend interviews or want to sharpen your JavaScript coding skills.

🔔 Stay tuned for all 75 days of this JavaScript Machine Coding Challenge. Don’t forget to Like, Share & Subscribe to follow along!
#interviewquestions #frontendinterview #javascriptinterview #machinecoding #75daychallenge #codinginterview #coding