natlibfi/loglevel-message-prefix

Minimal lightweight logging for JavaScript, adding reliable log level methods to any available console.log methods

ES6 polyfills that use native implementation if available and do not pollute the global namespace

A JavaScript mock Date object that can be used to change when "now" is.

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

Static analysis tool for JavaScript

simple, flexible, fun test framework

Yet another JS code coverage tool that computes statement, line, function and branch coverage with module loader hooks to transparently add coverage when running tests. Supports all JS coverage use cases including unit tests, server side functional tests and browser tests. Built for scale

Spectacular Test Runner for JavaScript.

A Karma plugin. Adapter for Mocha testing framework.

A Karma plugin. Adapter for RequireJS framework.

A Karma plugin. Launcher for PhantomJS.

A Karma plugin. Extend project RequireJs config by test RequireJs config

A generic require.js configuration generator for npm style projects

Node adapter for RequireJS, for loading AMD modules. Includes RequireJS optimizer

Headless WebKit with JS API

Code Climate test reporter client for javascript projects