JavaScript

In this guide, we will show you how you can learn to code with JavaScript for free. The JavaScript programming language is versatile, popular, and in high demand — making it a great language for learning how to code.

Learning always takes more time than we'd like. If you’re learning JavaScript, these six mental tricks will help you get there faster.

Learn when to use function expressions vs. function declarations in JavaScript, and how these methods for defining functions are different.

Learn how to use JavaScript arrow functions, understand fat and concise arrow syntax, and what to be aware of when using them in your code.

Higher-order functions can take other functions as arguments or return a function as a result. Learn how to use them and why they're useful.

Learn how to take your first steps with Svelte, a relatively new JavaScript frontend framework for developing websites and web apps.

Learn about for...in loops in JavaScript: their syntax, how they work, when to use them, when not to use them, and what you can use instead.

The micro frontend approach splits apps into small, independent pieces. Learn five pitfalls of using this architecture and how to avoid them.

Learn what Google's zx library is, how to use it, and how it helps make shell scripting with Node.js much more efficient and enjoyable.

A UI library can help kickstart your React app or web dev project. Learn about 9 popular React UI component libraries and when to use them.

Learn how easy it is to create a beautiful, interactive map with HTML, CSS & Leaflet, a user-friendly, open-source JavaScript mapping library.

A micro frontend approach lets us split a frontend app into small, independent pieces. Learn five key reasons why this approach is so useful.

Learn the basics of using Vue Router, such as router setup, passing custom parameters, page navigation, and implementing a 404 page.

Learn how Hasura and PostgreSQL can help you speed up app development and launch backends quickly with minimal effort.

Learn how to deploy serverless functions alongside a front-end app and create an API that generates images and grabs metadata from links.

Learn how to build a CRUD app with Next.js and FaunaDB, and how to perform CRUD operations based on user authentication.

Learn how to make Vue code more reusable, compact, and clean, by harnessing the Composition API, along with the Reactivity API and slots.

Learn how to develop an app that connects to data from a spreadsheet app or other data sources, using Gatsby, React and Airtable.

Need to consume and render data from an API in a Svelte application? Learn how to consume a REST API using the Fetch API vs the Axios client.

Push notifications reach more users than emails do. Learn how to build a GitHub tracker that sends push notifications of new issues and PRs.

Next.js offers many benefits, one being file routing. Learn how to set up a Next.js project and how file routing in Next.js works.

No-code and low-code platforms are limited and lock you in. Learn how Parse and Back4App provide all the customization experienced devs need.

Learn how memoization in React helps to improve the performance of your web apps by identifying and eliminating unnecessary re-renders.

With Netlify Forms, you can set up a contact form in React without writing your own server-side code to handle form submissions.

In this beginner-friendly TypeScript tutorial, you'll learn why it's useful to add types to JavaScript, and how to take advantage of them.

You can extend Notion in all sorts of ways with the Notion API. Learn how to create an interactive quiz with a Notion table and JavaScript.

Charts help us to understand data. Learn how to quickly create an interactive linear gauge chart that highlights Covid-19 vaccination data.

Read Build a Hacker News Clone using React and HarperDB and learn JavaScript with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.

Learn how to create truly responsive React components that adapt to different UI environments by using the handy react-textfit library.

MVPs are useful for testing markets before fully investing in your product. Learn how to build an MVP using React and Firebase.