A fast and versatile JavaScript animation library

A new way to handle dates and times is being added to JavaScript. Let's take a look at Temporal, what problems it solves, the current state, and what you'll find in the new documentation about it on MDN.

JavaScript chapter of the 2024 Web Almanac covering the usage of JavaScript on the web, libraries and frameworks, compression, web components, and source maps.

The introduction of the OOP paradigm popularized key programming concepts such as Inheritance,...

Destructuring Objects Like destructuring arrays, destructuring objects helps you and makes your code...

Here’s a thorough guide that covers everything you need to know to migrate your CommonJS project to ESM.

A blog about (mostly) computery things

One of the most foundational things to understand about JavaScript is that programs are made up of statements, and statements have slots for expressions. In this blog post, we'll dig into how these two structures work, and see how building an intuition about this can help us solve practical problems.

I just created a massive dataset of all the AI generated metadata of the videos of the WeAreDeveloper...

Ways out of the JavaScript crisis

Learn four groups of DOM methods and their uses to create responsive and dynamic webpages. A helpful DOM reference table is also included.

Thanks for watching to me chat with Kevin about JavaScript and more! I’ve put together a ton of resources to help you dig deeper into building simpler, more resilient web experiences. Source Code Different ways to write functions The difference between var, let, and const An into to JavaScript Promises Get Daily Developer Tips Hate the complexity of modern front‑end web development? I send out a short email each weekday on how to build a simpler, more resilient web.

A practical and free way to teach Angular, React, and Vue all at once, so you can choose the right tool for the job and learn the underlying concepts in depth.

What is the average size of JavaScript code downloaded per website? Fuck around and find out!

This article describes the methods to interact with JavaScript REST APIs. It explains the principles of REST API and the basic understanding of CRUD.

I have an HTML page with a button on it. When I click on that button, I need to call a REST Web Service API. I tried searching online everywhere. No clue whatsoever. Can someone give me a lead/Head...

Learn how event capturing, targeting, and bubbling work in JavaScript; how to prevent an event's default behavior; how to stop event propagation; and more.

Promises are arguably one of the trickiest concepts to grasp in the javascript world, and even if you know how to use them, it’s difficult to explain how they actually work. This FAQ style tutorial is meant for both beginners and intermediates in the world of promises. If you’re a beginner and have trouble grasping what a promise even is, then go on ahead and start from the first question.

My attempt at a very basic explanation of the 'this' keyword in JavaScript.

JavaScript recipes for CSS developers and designers to solve common UI problems that aren't easily solvable in pure CSS alone.

Great performance is key for great UX. We’ve told you how to tackle the low-hanging fruit: optimizing images for faster page loads. Now it’s time to fight the boss: JavaScript. Check out our handy guide!

Excess first-party and third-party JavaScript in your code takes over your main thread and makes your websites slow. We’ve got two open-source solutions that can solve this major problem.

Why hydration is a workaround, not the solution.

A few months ago, I saw someone one Twitter ask: Can we create an object by looping on some data 🤔 Today, I wanted to write about how to do just that. Let’s dig in! An example of some data Let’s imagine you got back an array of data from an API service called WizardSchool. It provided you with a list of wizards. Each wizard in the array is itself an object that contains the wizard’s name, and an array of spells that they know how to cast.

When writing code for the web, eventually you'll need to do some process that might take a few moments to complete. JavaScript can't really multitask, so

This blog post was first published as a codelab at https://github.com/button/codelab-async-js. Asynchronous programming in Javascript has undergone several evolutions, from callbacks to promises to generators, and soon to async/await. While each evolution has made async programming a little bit easier for those knee-deep in Javascript, it has made it rather intimidating to those new to all the little nuances of each paradigm to understand how to apply each, and just as importantly, how it all works.

One term you might hear in the JavaScript world is "higher-order function." Today, we'll explore what it means to be a higher-order function and look at some examples in JavaScript!