Javascript

I’m working on a new project-based JavaScript course for beginners and aspiring developers. In addition to a ton of projects, I wanted to include little mini-challenges with each lesson. And to do that, I want to include a code sandbox (like CodePen) right in the tutorial. Rather than loading buckets of React like most libraries for this require, I decided to build my own. Let’s look at how! An example challenge For example, imagine that you’ve just learned about the Array.

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

When I think of showing off syntax highlighted code on the web, I think of code that takes in a string of code, finds relevant substrings (tokens) with elaborate RegExes, then wraps them in spa…

Can you Syntax Highlight a code snippet on the web without overloading the DOM with a ton of span elements wrapped around the tokens? Thanks to the Custom Highlight API, you can!

I have to implemented this function. var hyperlinks = await page.evaluate( () => { return document.links; }); web page has about 287 links but this function is returning a array of 287 element b...

In this article, we are going to talk about different JS module systems, such as CommonJs, AMD, UMD, and ES Modules.

Let’s create a currency converter using HTML, CSS, and vanilla JavaScript, with data from the Exchange Rate API.

In my day job, I work on a JavaScript framework (LWC). And although I’ve been working on it for almost three years, I still feel like a dilettante. When I read about what’s going on in …

HTMX Playground allows you to write code in a backend-like environment, running entirely inside the browser. You can define endpoints within server.js and render your own templates. It will run a mock server that intercepts outgoing requests from HTMX.

From time to time I need to stitch together two or three images into a horizontal or vertical image. It seems so wasteful to spin up a whole design document for that task. What I wanted was a CLI that does that for me and I found one that does the job: Stitchy.

This blog is mostly expression of my ideas on different things in programming and IT culture

Solid is a purely reactive library. It was designed from the ground up with a reactive core. It's influenced by reactive principles developed by previous libraries.

We will explore what HTMX is and its capabilities.

Toggle the state of a UI element to easily create components e.g. collapse, accordion, tabs, dropdown, dialog / modal.

Use the Intersection Observer Web API as a performant way to track where elements are in the viewport and other scrollable regions.

Discussing the decisions surrounding JavaScript prototypes, the article by Juan Diego Rodriguez scrutinizes their origin, examines missteps in the design, and explores how these factors have affected the way we write JavaScript today.

The one where I extend JSON

Practice working with promises through a curated collection of interactive challenges. This repository provides a platform to refine your skills, complete with automated tests to to give you instan...

Get the dimensions of an image. Contribute to sindresorhus/image-dimensions development by creating an account on GitHub.

💲 Micro-library of shorthands for DOM selection, events, and attribute manipulation - argyleink/blingblingjs: 💲 Micro-library of shorthands for DOM selection, events, and attribute manipulation

Vanilla JavaScript table sort. Contribute to tofsjonas/sortable development by creating an account on GitHub.

Strategies for communicating between interactive components using Islands Architecture, with examples using Astro and React.

How to use fetch() API to load and post JSON data.

How to access environment variables in JavaScript using process.env and expose them to the browser runtime using bundlers like Vite and webpack.

A pure function always returns the same value for the same arguments and produces no side effects.