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The answer, in most cases, is nobody! Complex UI leads to more errors and abandoned forms. There can be easier ways to pick a date than a calendar widget. This guide provides alternate ideas and aims to send developers on a path towards user-friendly interfaces. Continue reading on pikaday.dbushell....

I wrote about JustHTML yesterday - Emil Stenström's project to build a new standards compliant HTML5 parser in pure Python code using coding agents running against the comprehensive html5lib-tests testing library. Last night, purely out of curiosity, I decided to try porting JustHTML from Python to ...

I wrote about Advent of Code in January and I was keen to return for AoC 2025 . This year I upped my game by attempting all puzzles in JavaScript, Zig, and Rust. I had plenty of time due to a work project falling through… Oh well, time to brute force some puzzles! […]

I've started using the term HTML tools to refer to HTML applications that I've been building which combine HTML, JavaScript, and CSS in a single file and use them to provide useful functionality. I have built over 150 of these in the past year, almost all of them written by LLMs. This article presen...

Fixing AI code, over-engineering JavaScript, and more: discover what's new in The Replay, LogRocket's newsletter for dev and engineering leaders, in the December 10th issue. The post The Replay (12/10/25): Fixing AI code, over-engineering JavaScript, and more appeared first on LogRocket Blog.

Earlier this month, I blogged about building my own Spotify Unwrapped. I did this by requesting a data export from Spotify and playing around with the data in Python and Astro. I built a simple, and probably bad, Astro site to view my stats. When I built it, I had an idea for a slight tweak to make ...

Some technical details about the implementation of Svix's 'transformations' feature and the migration from Deno/v8 to QuickJS

CSS Wrapped 2025 is out! We’re entering a world where CSS can increasingly handle logic, state, and complex interactions once reserved for JavaScript. Here is an unpacking of the standout highlights and how they connect to the bigger evolution of modern CSS.

If you’re running JavaScript on a server, how do you import a module? Traditionally, imports looked like this, with CommonJS: const axios = require('axios'); But now they look like this with ECMAScript Modules: import axios from 'axios'; // Or, less often, dynamically: const axios = await import...

A few weeks ago I blogged a demo where I used Chrome's on-device AI feature to parse a "generic template language" and return random strings. If you're so inclined (and of course you are), you can read that post here: "Creating a Generic Generative Language with Chrome AI". The idea was to give the ...

From Slow To Go Hi , What's your most-loved feature of Go? I have quite a few, but there is one that has repeatedly made a difference after switching to Go: Go is much faster than interpreted languages (like Python, PHP, or JavaScript) but still much more approachable than a typical system programmi...

Ever since I learned about htmx a few months ago, I’ve been hooked on it. It unlocks richly interactive and performant web app designs without making you write a single line of your own JavaScript, and without a byte of client-side state (outside of the DOM and maybe a session, of course). Its philo...

Thirty years later, JavaScript is the glue that holds the interactive web together, warts and all.

Tis the season - the Spotify Unwrapped season. If you aren't aware, Spotify creates a yearly "recap" of your listening habits and packages it up in a nice and fun slide show/animated doodad only available on your device. It's a cute thing and as someone who both loves music and stats, I look forward...

Stop defaulting to JavaScript. Modern CSS handles virtualization, responsive layouts, and scroll animations better than ever – with far less code. The post Stop using JavaScript to solve CSS problems appeared first on LogRocket Blog.

I thought this was wonderfully serendipitous since I have recently started porting this site’s engine to TypeScript on bun, following almost a year of running Node-RED on it and assorted other low-risk experiments. I started doing it because bun is the closest thing I’ve come across yet to a “batter...

Who hasn’t accidentally deployed code that depended on a secret or environment variable that wasn’t configured for that environment? I know I have. Environment variables are often critical for software to work. Sometimes in obvious ways, like making sure the browser is sent to the correct authentica...

Let's explore some tools that have driven dramatic performance improvements and other innovations in the JavaScript ecosystem.

The advent calendar I wanted to use for the photo hasn’t arrived yet, so enjoy this box of tree. Web developers around the world have for years given a nod to Saturnalia solstice Isaac Newton’s birthday Yule wassailing mummering end of Gregorian calendar year Christmas with advent calendars covering...

Error boundaries catch only render-time failures, which isn’t enough for modern async UIs. Signals treat errors as reactive state, giving you consistent handling across your app. The post Error boundaries are broken – signals can fix them appeared first on LogRocket Blog.

I entered the world of JavaScript programming in 2015. Before that, typed languages ​​were my constant companions. Accordingly, I was impressed from day one by the possibilities that TypeScript offered. Even though the toolchain was more complex back then, the benefits always outweighed the drawback...

This is a spot-on analysis of how CSS-in-JS failed to deliver on any of its promises: CSS-in-JS was born out of good intentions — modularity, predictability and componentization. But what we got was complexity disguised as progress. adactio.com/links/22276

Bluesky Thread Viewer thread by @simonwillison.net I've been having a lot of fun hacking on my Bluesky Thread Viewer JavaScript tool with Claude Code recently. Here it renders a thread (complete with demo video) talking about the latest improvements to the tool itself. I've been mostly vibe-coding ...

In this episode, let’s look at one of my favorite new features that was included with Phoenix LiveView 1.1 - colocated JavaScript Hooks. So, what are colocated hooks? A colocated hook lives alongside your component code. This makes writing simple hooks much easier. Instead of having to create a sepa...

One element of JavaScript that people struggle with the most is asynchronous JavaScript. Y'know, "Why is my fetch returning this in the console?" for example. <ConsoleLogger showLineNumbers={false} code={` function myPromise() { const req = fetch('/'); console.log(req); } } language="js" outputType=...

Here’s the schedule for Web Day Out—what a fantastic collection of talks! Web Day Out 10:00 – 10:30 I can’t believe it’s not JavaScript Jemima Abu 10:30 – 11:00 A pragmatic guide to browser support Rachel Andrew 11:30 – 12:00 Progressive web apps from the trenches Aleth Gueguen 12:00 – 1...

This article explores how Immer-backed persistent vectors can dramatically improve React Native performance by leveraging JSI (JavaScript Interface) to bridge ClojureScript and native C++

React is no longer just a library. It’s a full ecosystem that defines how frontend developers are allowed to think. Real talk! Browsers now ship View Transitions, Container Queries, and smarter scheduling primitives. The platform keeps evolving at a fair pace, but most teams won’t touch these ...

RippleJS takes a fresh approach to UI development with no re-renders and TypeScript built in. Here’s why it’s gaining attention. The post Ripple over React? Evaluating the newest JS framework appeared first on LogRocket Blog.

Explore the platform. Challenge yourself to discover what the modern web can do natively. Pure HTML, CSS, and a bit of vanilla JS… adactio.com/links/22266

This isn’t a rhetorical question. I genuinely want to know why developers choose to build websites using React. There are many possible reasons. Alas, none of them relate directly to user experience, other than a trickle-down justification: happy productive developers will make better websites. Cit...

I received my copy of DOCTYPE magazine, a genuine 'type this program in and run it'-style programming magazine but for a modern world, and enjoyed writing, debugging, playing, and then considering refining Stuart Langridge's puzzle The Nine Pyramids.

Guten Tag! Guten Tag! 👋Are you excited about @scope hitting the baseline soon? And do you know that there's also a :scope in JavaScript? And have you ever used enterkeyhint in HTML? Turn on the Web Weekly tune and find some answers below. Enjoy! ...

This post is a bit late but I wanted to share my submissions for the recent js1024 competition. The theme for the jam was “Creepy.” I won 1st place and all 3 of my entries were in the top 10! This was my 5th time entering the competition and I created 3 separate 1k programs. […]

Today's color-full Drop covers Color.js, a revolutionary JavaScript color library that excels in advanced color operations, offering accurate gamut mapping and ΔE calculations across many color spaces. It also showcases Color Palette Pro, a tool that simplifies color selection with intuitive palette...

Part of the "fun" of JavaScript is dealing with code which comes from before sensible features existed. For example, if you wanted to clone an object in JavaScript, circa 2013, that was a wheel you needed to invent for yourself, as this StackOverflow thread highlights. There are now better options, ...

Conditional logic is a familiar concept to anyone who has written a programming language. Languages like JavaScript or Python use if/else statements to evaluate expressions and execute different blocks of code depending on whether the condition is true or false.

This is just a quick thought experiment really. Yesterday I was working on a demo that made use of Google's Static Map API. I've blogged about this API for probably over a decade now and I rarely see people use it, but it's a lightweight, image only "API" for when you need simple map images without ...

As the web continues to be the medium for all users, standards bodies need to continue to provide new APIs to enrich user experience and accessibility. One underused API for unsighted users is speechSynthesis, an API to programmatically direct the browser to audibly speak any arbitrary string. The C...

Why replace the elliptic package? Yesterday, the Trail of Bits blog published an intern’s post about finding cryptographic bugs in the elliptic library (a Javascript package on NPM) by using the Wycheproof. This blog post was accompanied by a new chapter in their Testing Handbook about using Wychepr...

I sent out my weekly-ish Substack newsletter this morning and took the opportunity to record a YouTube video demonstrating my process and describing the different components that make it work. There's a lot of digital duct tape involved, taking the content from Django+Heroku+PostgreSQL to GitHub Act...

Trail of Bits is publicly disclosing two vulnerabilities in elliptic, a widely used JavaScript library for elliptic curve cryptography that is downloaded over 10 million times weekly and is used by close to 3,000 projects. These vulnerabilities, caused by missing modular reductions and a missing len...

Today's Drop explores the evolving landscape of coding tools and resources, particularly emphasizing AI's impact on the decline of small npm packages like blob-util. It introduces Brimstone, a Rust-based JavaScript engine aiming for high ECMAScript compliance, and discusses optimizing DNS lookups to...

When was the last time you saw a computer with a reset AND a turbo button? Bet it's been a while. But now, thanks to a stupid web component I made, you can see one on my website... or your own. What does it do? Nobody knows!

What you see in the demo below is ClojureScript UIx app driving native window with ImGui UI via custom React reconciler. Both hot-reloading and REPL-driven development are supported, as you'd expect it from a typical ClojureScript project. The JavaScript side of the app runs in Hermes engine, which...

(Or so.)

Here's Remy sharing how to enable template string syntax highlighting via JavaScript comments. The problem of unhighlighted template strings never really bugged me. I write many of this blog's interactive components without proper syntax highlighting, because I've built myself a custom mini Astro fr...

The Dolt Workbench is an open-source SQL workbench supporting MySQL, Postgres, Dolt, and Doltgres databases. We built the workbench using Electron, which is a popular framework that allows you to convert web apps built with traditional web technologies like HTML, CSS, and Javascript to desktop appli...