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!

Created by

Sudharshan Somanath

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0 Hours

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English

Last updated

Mon, 14-Jul-2025

Course description

The #1 bestselling JavaScript course.

Just updated with ES2024 and ES2025!

"Really, really well made course. Super in-depth, with great challenges and projects that will solidify your Javascript understanding. I found the lectures were paced perfectly -- Jonas doesn't skip over anything that might be useful to a JS developer" — Carlson David


JavaScript is the most popular programming language in the world. It powers the entire modern web. It provides millions of high-paying jobs all over the world.

That's why you want to learn JavaScript too. And you came to the right place!


Why is this the right JavaScript course for you?

This is the most complete and in-depth JavaScript course on Udemy (and maybe the entire internet!). It's an all-in-one package that will take you from the very fundamentals of JavaScript, all the way to building modern and complex applications.

You will learn modern JavaScript from the very beginning, step-by-step. I will guide you through practical and fun code examples, important theory about how JavaScript works behind the scenes, and beautiful and complete projects.

You will become ready to continue learning advanced front-end frameworks like React, Vue, Angular, or Svelte.

You will also learn how to think like a developer, how to plan application features, how to architect your code, how to debug code, and a lot of other real-world skills that you will need in your developer job.

What will i learn?

Requirements

  • A basic understanding of HTML and CSS is a plus, but not a must! The course includes an HTML and CSS crash course.

Frequently asked question

Build 5 beautiful real-world projects for your portfolio! In these projects, you will learn how to plan and architect your applications using flowcharts and common JavaScript patterns Master the JavaScript fundamentals: variables, if/else, operators, boolean logic, functions, arrays, objects, loops, strings, and more Learn modern JavaScript (ES6+) from the beginning: arrow functions, destructuring, spread operator, default arguments, optional chaining, and more How JavaScript works behind the scenes: engines, the call stack, hoisting, scoping, the 'this' keyword, reference values, and more. Deep dive into functions: arrow functions, first-class and higher-order functions, bind, and closures. Deep dive into object-oriented programming: prototypal inheritance, constructor functions (ES5), classes (ES6), encapsulation, abstraction, inheritance, and polymorphism. [This is like a small standalone course] Deep dive into asynchronous [removed] the event loop, promises, async/await, and error handling. You will use these to access data from third-party APIs with AJAX calls. [This is like a small standalone course]

Sudharshan Somanath

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$70

Lectures

0

Skill level

Beginner

Expiry period

Lifetime

Certificate

Yes
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