Minimal Image & Video LigthtBox In Pure JavaScript – BigPicture.js
BigPicture.js is a lightweight image & video viewer/lightbox built in pure javaScript. Supports local/remote images and Youtube/Vimeo/HTML5 videos.
Javascript
Create Dynamic Navigation Menus (TOC) for Long Content – Anchor.js
A JavaScript library that creates dynamic tables of contents from HTML headings, enabling smooth scrolling and section highlighting for better navigation of long-form web content.
Dual-Mode WYSIWYG Rich Text & Markdown Editor in JavaScript
A JavaScript WYSIWYG editor with dual markdown and raw text modes, toolbar customization, and smart HTML-to-Markdown conversion.
Convert HTML Lists into Custom Dropdowns – Simple Select
A framework-agnostic approach to custom select dropdowns with full keyboard accessibility and minimal code overhead.
Declarative Interactive Animations in Vanilla JavaScript – Kinesis.js
A simple JavaScript library for creating interactive animations based on mouse, scroll, and audio data using simple data attributes.
Tiny JS Library for Human-Readable Timestamps – little-timestamp
A small, opinionated JavaScript library for formatting timestamps into human-readable strings like “6h ago” or “Jun 1”.
Add Numbering to Pre and Textarea – line-numbers Web Component
A lightweight web component for adding line numbers to pre & textarea elements. Supports custom start numbers and CSS styling.
Fade/Slide In Elements On Scroll – JS Scroll Animations
A lightweight JavaScript scroll animation library that adds high-performance, CSS3-powered fade/slide animations to elements as they scroll into view.
Create Interactive Particle Backgrounds with Pure JavaScript – DotWave.js
A lightweight, zero-dependency JS library for creating interactive, parallax dot backgrounds on any HTML container using Canvas.
Lightweight Data Chunking for JavaScript – Chonkify
Ultra-lightweight JavaScript chunking library for arrays, strings, sets, and async iterables.