JavaScript

Content:

JavaScript, or JS for short, is a popular scripting language used primarily across the web. It can be used to provide rich, dynamic content, liven up websites, or even just updating content. It forms the basis of popular programming frameworks such as node, react and angular, and libraries such as jquery.

Mastering JS can be a very useful skill – take a look at our tutorials to learn more.

Guides:

Drawing to a Canvas Element with JavaScript

Learn how to start drawing and styling content using the Canvas API.

Providing a Fallback for an HTML Canvas

Decide what to display when the browser does not support the canvas element.

Control the Frame Rate of requestAnimationFrame Callbacks

Drawing to a canvas can place high load on a system. Here's how you can control your canvas drawing rate to reduce this.

Increasing Canvas Performance with Offscreen Rendering

Canvas rendering can cause massive slowdown on your site. Using an offscreen canvas can get things running smoothly again.

Using Web Workers to Increase JavaScript Performance

Boost the performance of your site by running your JS in separate threads.

5 JavaScript Pitfalls To Avoid

Here are 5 pitfalls you'll want to avoid when getting started with JavaScript.

Shorthand Null Handling in Javascript

Handling nullish values is a common requirement in any application. This guide will walk you through a couple of shorthand techniques to handle nullish values in JavaScript.

Why Your Event Listeners Only Apply to the Last List Element

If you've found your event listeners are missing after appending HTML to an element, this article should help you out.