JavaScript Demos in 140 Characters

Timelang: Natural Language Time Parser

I built a tabbed Notepad replacement that doubles as a JS Scratchpad (execute code without saving, Monaco editor, side-by-side diffs)

Annoucing WebF Beta: Bring JavaScript and the Web dev to Flutter

I used a generator to build a replenishable queue.

Temporal API Ships in Chrome 144, Marking a Major Shift for JavaScript Date Handling

Show HN: Mastra 1.0, open-source JavaScript agent framework from the Gatsby devs

TIL that `console.log` in JavaScript doesn't always print things in the order you'd expect

JavaScript's For-Of Loops Are Fast

recording a gif entirely in the browser (client-side) is harder than i thought

Built a lightweight JS library that predicts user intent to prefetch before hover/click/tab

Show HN: I built a space travel calculator using Vanilla JavaScript

Localspace v1.0 – A modern localForage alternative with TypeScript and 6x faster batch ops

I made an open source, locally hosted Javscript client for YouTube that recommends trending videos based on your subscriptions rather than recommending random slop.

pre-tenuring in v8

Built an HTTP client that matches Chrome's JA4/Akamai fingerprint

JavaScript Analyzer – Burp Suite Extension

When Caching Made Things Worse

Node.js — Mitigating Denial-of-Service Vulnerability from Unrecoverable Stack Space Exhaustion for React, Next.js, and APM Users

Fellow humans, it is 2026-01-01T00:00:00+00:00.

WebGPU in p5.js

Day One of learning JavaScript

I built a small CLI to save and run setup commands (because I keep forgetting them)

depaudit - Inspect and triage npm/yarn/pnpm dependency vulnerabilities in the terminal.

Server-First Web Component Architecture: SXO + Reactive Component

Does the company you work at use pure Javascript in production instead of Typescript?

Web dependencies are broken. Can we fix them? • Lea Verou

Introducing Quizolve - A quiz portal built in vue-laravel

Show HN: Fall asleep by watching JavaScript load

Best way to handle title matching (punctuation/aliases) in a small vanilla JS trivia game?

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