The Complete JavaScript Course 2025: From Zero to Expert!

The modern JavaScript course for everyone! Master JavaScript with projects, challenges, and theory. Many courses in one!

4.7 (192,803 ratings) | 714,658 students

Created by Jonas Schmedtmann

Bestseller Updated May 2025 | 74 hours total | English

The Complete JavaScript Course 2025

By Jonas Schmedtmann

4.7 (192,803)

₹699 ₹999

Discount applied with code: ST21MT30625G1

30-Day Money-Back Guarantee

This course includes:

74 hours on-demand video
72 articles
43 downloadable resources
Access on mobile and TV
Certificate of completion

What You'll Learn

Become an advanced, confident, and modern JavaScript developer from scratch.
Build 6 beautiful real-world projects for your portfolio.
Master the JavaScript fundamentals: variables, if/else, operators, boolean logic, functions, arrays, objects, loops, strings, etc.
Modern ES6+ from the beginning: arrow functions, destructuring, spread operator, optional chaining, etc.
Asynchronous JavaScript: Event Loop, promises, async/await, AJAX calls and APIs.
How to architect your code using flowcharts & common patterns.

Course Content

43 sections • 320 lectures • 74h total length

Welcome to the Course 10min
Setting Up Your Environment 8min
Course Structure 12min
How to Get the Most Out of This Course 10min
JavaScript in the Browser 10min
Using the Developer Console 8min
Resources and Community 5min
Quiz: Course Overview 2min

Variables and Data Types 15min
Let, Const, and Var 10min
Basic Operators 12min
Strings and Template Literals 15min
If-Then Statements 20min
Type Conversion and Coercion 18min
Truthy and Falsy Values 10min
Equality Operators: == vs === 15min
Logical Operators 12min
Coding Challenge #1: Mark and John BMI 20min
Project: BMI Calculator 30min
Quiz: Fundamentals Part 1 8min

Functions: Declarations vs Expressions 20min
Arrow Functions 15min
Arrays: Basics and Methods 18min
Loops: for, while, do-while 25min
Objects and Properties 20min
Coding Challenge #2: Tip Calculator 20min
Project: To-Do List App 35min
Quiz: Fundamentals Part 2 10min
Debugging Basics 14min
Code Review: Fundamentals 10min

Setting Up VS Code 15min
Debugging with Chrome DevTools 20min
Writing Clean Code 15min
Problem-Solving Strategies 18min
Coding Challenge #3: Debug a Bug 20min
Using Git and GitHub 22min
Quiz: Developer Skills 10min
Project Setup Best Practices 15min

Selecting and Manipulating Elements 15min
Event Listeners and Handlers 20min
DOM Traversal 15min
Creating and Removing Elements 20min
Event Delegation 18min
Working with Forms 20min
Coding Challenge #4: Form Validator 25min
Project: Interactive Photo Gallery 40min
Quiz: DOM Manipulation 10min
Optimizing DOM Performance 15min
Dynamic Styling with JavaScript 14min
Code Review: DOM Projects 10min

Closures Explained 25min
Immediately Invoked Function Expressions (IIFEs) 20min
Modules and Encapsulation 20min
Destructuring Arrays and Objects 15min
Spread and Rest Operators 15min
Prototypes and Inheritance 30min
Object-Oriented Programming (OOP) 25min
Coding Challenge #5: OOP Game 25min
Project: Weather App with APIs 40min
Quiz: Advanced Concepts 8min
Functional Programming Basics 20min
Advanced Array Methods 18min
ES6+ Features Deep Dive 20min
Code Patterns and Best Practices 15min
Code Review: Advanced Projects 12min

Understanding the Event Loop 25min
Promises: Creation and Usage 20min
Async/Await Syntax 20min
AJAX and XMLHttpRequest 15min
Fetch API Basics 20min
Error Handling in Async Code 18min
Working with Public APIs 20min
Coding Challenge #3: API Data Fetch 25min
Project: Movie Search App 40min
Quiz: Async JavaScript 10min
Parallel vs Sequential Requests 15min
Throttling and Debouncing 17min
Async Code Optimization 15min
Code Review: Async Projects 10min

Advanced Arrays: Map, Filter, Reduce 20min
Sets and Maps 15min
Optional Chaining (?.) 12min
Nullish Coalescing (??) 10min
Logical Assignment Operators 10min
Coding Challenge #7: Data Manipulation 20min
Project: Data Visualizer App 30min
Quiz: Data Structures 10min
Working with JSON Data 15min
Code Review: Data Structures 10min

Project Overview and Setup 20min
Building the Login System 25min
Implementing Transactions 30min
Working with Arrays and Timers 25min
DOM Manipulation for UI Updates 20min
Handling Dates and Formatting 15min
Coding Challenge #8: Transaction Filter 25min
Project: Bankist App Completion 45min
Quiz: Bankist App Concepts 10min
Code Review: Bankist App 15min

Project Setup and Planning 30min
Building the Frontend 45min
Integrating APIs 40min
Authentication and Security 35min
Testing and Debugging 50min
Deployment Strategies 40min
Final Review and Polish 30min
Quiz: Capstone Project 10min

Requirements

No coding experience is necessary to take this course!
Any computer and OS will work — Windows, macOS, or Linux.
A basic understanding of HTML and CSS is a plus, but not a must!

Description

Welcome to the best resource for learning JavaScript online! Whether you're a complete beginner or an experienced developer, this course will take you from zero to expert with hands-on projects, challenges, and a deep dive into modern JavaScript (ES6+). Learn by doing with 74 hours of content, 72 articles, and 43 downloadable resources.

This course covers everything from JavaScript fundamentals to advanced topics like asynchronous programming, modern ES6+ features, and real-world projects. By the end, you'll have built 6 portfolio-worthy projects and gained the skills to become a confident JavaScript developer, ready for real-world development jobs.

The course is designed to be engaging and practical, with coding challenges, quizzes, and projects like a BMI Calculator, To-Do List App, and a full E-Commerce Platform. Whether you're aiming for a new job or want to enhance your skills, this course is your path to mastering JavaScript.

Join over 700,000 students and start your JavaScript journey today! Click the Signup button to enroll.

Instructors

Jonas Schmedtmann

Web Developer, Designer, and Teacher

1,234,567 students | 3 courses

Jonas Schmedtmann is a renowned web developer and instructor with over 1.2M students. His engaging teaching style and focus on practical projects make complex JavaScript concepts accessible to all learners.