javascript

Smooth-scroll runtime that virtualizes wheel input while keeping native scrollbars, anchors and accessibility behaviour intact.

Hybrid engine combining the Web Animations API with a JS spring runtime, shipping React, Vue and vanilla bindings.

HTML templating library using custom attributes, running client-side or on Deno, Node and Bun with no build step.

Markdown WYSIWYG built as a transparent textarea layered over rendered output, avoiding contenteditable and heavy editor frameworks entirely.

JavaScript library that generates colors from a target APCA contrast value instead of picking a color and checking after.

Browser 8-bit sound effect generator with presets for coins, lasers and jumps, plus a JS library for runtime generation.

Minimalist animation library that only touches CSS matrix transforms and opacity, keeping every animation on the compositor thread.

Visual sequencer and keyframe editor that animates any JS object, including three.js scenes, with a Studio UI overlay.

Timeline-based animation engine covering CSS, SVG, DOM attributes and JS objects; v4 rewrote it into tree-shakeable modules.

Declarative motion-graphics toolbelt for bursts, shape swirls and custom timelines; built for particle-style UI flourishes, not tweening DOM.

Twine 2 story format for people who already know JavaScript and CSS, exposing the story state directly.

Zero-dependency 2D HTML5 engine with WebGL batch renderer, built-in particle system, audio and physics in a tiny bundle.

Sub-kilobyte tweening engine exposing a single function that animates arbitrary numeric values over time with easing.

Library that reveals elements as they enter the viewport, with per-element distance, rotation, scale, interval and sequencing config.

JavaScript port of the WFC overlapping and simple-tiled models, usable directly in browser procgen pipelines.

Curated list of JavaScript games, engines, frameworks, tutorials and asset sources for web game development.

Tiny, dependency-free implementation of CSS cubic-bezier timing as a JS function, using Newton-Raphson with a sample table.

Small entity component system for JavaScript with a readable API, serialisation and entity references built in.

3KB Promise-based animation module for CSS and SVG properties, using requestAnimationFrame with no dependencies or plugin system.

Scroll animation library that mimics CSS keyframe syntax, letting you define percentage-based frames tied to scroll progress.

Browser-based text adventure engine with a small JSON world format and a sample game, meant to be forked and modified.

Weekly frontend link roundup split into CSS, JavaScript and other sections for skimming.

JavaScript parser and runtime for the Yarn dialogue tree markup language, usable in any web game.

Categorised bank of front-end interview questions covering HTML, CSS, JavaScript, accessibility, testing, performance and networking, in many translations.

Front-end interview platform with 3,000+ questions across JavaScript, React, UI coding and system design, plus in-browser testing.

ES6 tweening engine that interpolates numbers, colors, vectors and objects with a chainable API and no DOM assumptions.

Personal engineering blog with 177 posts on JavaScript, React, the DOM and web fundamentals, written as complete tutorials.

Typewriter engine with queued strings, mid-string deletions, nested instances and full control over speed and cursor.

Curated syllabus of thirty-three core JavaScript concepts, each with articles, videos and code, translated into forty-plus languages.

Animation engine with plugins for SVG path morphing, cubic morphing, SVG transforms, text and CSS properties.

Repo implementing the same bouncing-ball animation across dozens of techniques — CSS, WAAPI, GSAP, SVG, canvas, React — for direct comparison.

Functional, framework-agnostic motion primitives — springs, decay, keyframes, inertia — usable as building blocks under any renderer.

Declarative animation library driven entirely by HTML data attributes, letting non-JS authors wire triggers to CSS animations.