JavaScript course with certificate: the 10 best in 2026

Best for beginners who want to practise with many short projects. It builds more than 50 mini projects in HTML, CSS and JavaScript, such as expanding cards, progress steps, a sound board, a movie app, a drawing app, drag and drop and a GitHub profiles finder.

It has 4.6 stars from more than 12,000 reviews and more than 93,000 students. It runs about 19 hours and was last updated in July 2025. A very basic understanding of HTML, CSS and JavaScript is expected.

Best for learners who know the fundamentals and want a big portfolio. Using pure JavaScript, you build more than 60 apps and games covering DOM manipulation, events, form validation, the Fetch API, animations with requestAnimationFrame, local storage, sliders, typing tests and a regex email extractor.

It has 4.7 stars from more than 700 reviews and more than 10,000 students. It runs about 60 hours with 602 resources and was updated in February 2026.

Best for learners who like challenge-based practice at their own level. It covers JavaScript basics, ES6 and later features, Node.js, Babel, NPM, Webpack, MongoDB and an introduction to React, with more than 70 challenges whose start and finish code are in Git repositories.

It has 4.6 stars from more than 1,900 reviews and more than 44,000 students. It runs about 42 and a half hours and was updated in September 2026.

Best for beginners who want JavaScript on both the browser and the server. It teaches the language itself, the browser environment, Node.js, MongoDB and Express, then user registration, user-generated content and authentication with sessions and JSON Web Tokens.

It has 4.8 stars from more than 5,400 reviews and more than 22,000 students. It runs about 28 hours with 89 resources and was last updated in July 2024.

Best for beginners who want a compact course with plenty of testing. It explains how the browser runs JavaScript, variables, objects and functions, changing page content, building custom dialogs, modern syntax such as arrow functions, and core concepts like prototypes, JavaScript engines and the execution stack.

It has 4.7 stars from more than 700 reviews and more than 4,600 students. It runs about 12 hours, the shortest course here, with 22 quizzes and two practice tests, and was updated in March 2026.

Best for beginners who want many small projects and a taste of full-stack work. It covers fundamentals, maps, sets, stacks and queues, the DOM, OOP, fetch and async/await, error handling, browser APIs such as canvas and geolocation, Webpack, Jest testing and a REST API with Node.js, Express and MongoDB, building apps like a shopping list, a movie app, a music player and a full-stack ideas app.

It has 4.6 stars from more than 36,000 reviews and more than 131,000 students. It runs about 40 hours with 50 resources and was updated in October 2025. Basic HTML and CSS are expected.

Best for developers who know the basics and want to truly understand JavaScript. It explains the execution context and execution stack, objects and object literals, function expressions and function objects, prototypal inheritance, and examines framework source code before showing how to build your own small framework.

It has 4.8 stars from more than 49,000 reviews and nearly 200,000 students. It runs about 12 and a half hours with downloadable source code and was updated in December 2025. We lowered it slightly because it expects basic JavaScript.

Best for beginners who learn by building bigger projects. The first half teaches the language: variables, objects, arrays, functions, higher-order functions and how the browser runs JavaScript. The second half builds command line tools with Node.js, apps using third-party APIs and a full e-commerce application with authentication.

It has 4.9 stars from more than 13,000 reviews, the highest rating here, and more than 75,000 students. It runs about 52 hours with 344 resources and was updated in February 2026.

Best for learners who want depth and lots of practice material. It goes from the basics, arrays and objects through the DOM, events such as drag and drop, classes and prototypes, asynchronous code and HTTP requests, to tooling and browser support, Node.js, security and performance, and an introduction to automated testing.

It has 4.6 stars from more than 33,000 reviews and 185,000 students. It runs about 52 hours with 36 quizzes, the most here, and 696 resources, and was updated in January 2026.