Enzyme is a JavaScript Testing utility for React that makes it easier to assert, manipulate, and traverse your React Components' output.
Service Worker Precache is a module for generating a service worker that precaches resources. The module can be used in JavaScript-based build scripts, like those written with gulp, and it also provides a command-line interface. You can use the module directly, or if you'd prefer, use of the wrappers around sw-precache for specific build environments, like webpack.
It can be used alongside the sw-toolbox library, which works well when following the App Shell + dynamic content model.
Tesseract.js is a pure Javascript port of the popular Tesseract OCR engine.
This library supports over 60 languages, automatic text orientation and script detection, a simple interface for reading paragraph, word, and character bounding boxes. Tesseract.js can run either in a browser and on a server with NodeJS.
Fast, reliable, and secure dependency management tool for javascript.
Hyperform is a complete implementation of the HTML 5 form validation API in Javascript. It replaces or polyfills the browser’s native methods and eases your validation task with custom events and hooks.
WebTorrent is a streaming torrent client for the web browser and the desktop.
WebTorrent is written completely in JavaScript – the language of the web – and uses WebRTC for peer-to-peer transport whenever possible. No browser plugins, extensions, or installation is required to use WebTorrent in your browser.
A fast, in-memory document-oriented datastore for node.js, browser and cordova
This is a game designed to teach JavaScript and artificial intelligence in a fun, interactive way.
You play as a warrior climbing a tall tower to <insert something that motivates you here> at the top level. On each floor, you need to write JavaScript (with full ES2015 support) to instruct the warrior to battle enemies, rescue captives, and reach the stairs.
Experimenting with window.onerror, trying to make JavaScript debugging easy.
What does it do?
Provides JavaScript error details in a readable format. You can log these errors remotely by enabling remoteLogging. After enabling, logerr will send a post request to the desired action/url with exception details along with custom parameters (if provided using additionalParams).
Redux is a predictable state container for JavaScript apps.
It helps you write applications that behave consistently, run in different environments (client, server, and native), and are easy to test. On top of that, it provides a great developer experience, such as live code editing combined with a time traveling debugger.
You can use Redux together with React, or with any other view library.
The Monaco Editor is the code editor that powers VS Code.
Rich IntelliSense and Validation for TypeScript, JavaScript, CSS, LESS.
Basic Syntax Colorization for HTML, XML, PHP, C#, C++, Razor, Markdown, Diff, Java, VB, CoffeeScript, Handlebars, Batch, Jade, F#, Lua, Powershell, Python, SASS, R, Objective-C.