cOdynn
Courses
Coding ChallengesChallenge Sets
CodynnLabsCodynn Snippets
Compiler
cOdynn
cOdynn
HomeCoursesCompilerResources
Blogs
HomeCoursesChallengesLabs
COURSES
  • c
  • c#
  • c++
  • clojure
  • elixir
  • go
  • haskell
  • javascript
  • kotlin
  • lua
  • python
  • qbasic
  • rust
  • scala
  • zig
CHALLENGES
  • C ++ Challenges
  • Java Challenges
  • JavaScript Challenges
  • Kotlin Challenges
  • Lua Challenges
  • Python Challenges
  • Rust Challenges
  • Swift Challenges
RESOURCES
  • Algorithms
  • Blogs
  • CodynnLabs
  • Data Structures
  • Documentation
  • File Handling
  • Games
  • Interview Questions
  • Popular Repos
  • Questions
  • Quizzes
  • Scripts
  • Videos
COMPANY
  • About Us
  • Careers
  • Codynn Academy
  • Codynn Launch Pad
  • Challenges VS Extension
  • Contact Us
POPULAR COURSES
  • Lua Course for Beginners
  • Introduction to QBasic
  • Rust Programming Course for Beginners
  • R Programming
  • Getting Started with Go
  • Master the Basics of Haskell
  • Intro to C# for Beginners – Game Dev Edition
  • TypeScript: Basics
  • Basics of JavaScript
  • Python From Scratch
POPULAR CHALLENGES
  • 45 Days Basic Programming Challenges
  • Conditional Statements: Mini Challenge
  • Matrix Operations: Mini Challenge
  • Loops: Mini Challenge
  • Basic String Handling: Mini Challenge
  • Searching Algorithm: Mini Challenge
  • Sorting Algorithm: Mini Challenge
  • Conditional Loops: Mini Challenge
  • Higher Order Functions: Mini Challenge
  • Error Handling and Debugging: Mini Challenge
Logo
Codynn

A Product of VOID NEPAL © Codynn 2026

Arrays & Objects in JS

Learn JavaScript array and master it

Get Started!
85Codynn Coins logo

Course Details

Language: JavaScript

Duration: 5 days

Difficulty: medium

Category: Programming, Web Development

Certificate: Yes

Requirements

- Basic knowledge of JavaScript - how to use vs code and run the program

Content

01

Introduction to JavaScript Arrays

4 Chapters - 0/4 Completed

Understanding Arrays

Creating & Accessing Arrays

Basic Array Manipulation Methods

Interactive Application – To-Do List Manager

02

Intermediate Array Methods

6 Chapters - 0/6 Completed

Overview & Importance

Transforming Arrays with map()

Filtering Arrays with filter()

Searching & Sorting Arrays

Reducing Arrays with reduce()

Mini-Project – Product Catalog Challenge

03

JavaScript Objects Essentials

4 Chapters - 0/4 Completed

The Power of Objects

Creating & Accessing Objects

Nested Objects & Copying

Interactive Exercise – Build Your Own Profile Object

04

Advanced Object Concepts & Patterns

2 Chapters - 0/2 Completed

Destructuring and the this Keyword

Combining & Cloning Objects

05

Practical Applications & Combining Arrays/Objects

2 Chapters - 0/2 Completed

Real-World Data Modeling

Mini-Projects for Practice

Reviews

No reviews yet