JavaScript

Created to "make web pages alive", JavaScript has become the most commonly used programming language for web professionals – both in browsers and on servers.
Securing Node and Express RESTful API with Json Web Token (JWT)
Building Web Components with Angular
WebAssembly - Running Assembly Code on the Web!
What is GraphQL and why Facebook felt the need to build it?
Introduction to Vue - key concepts and why its so awesome
ECMAScript Modules and how to use them!
Simpler state management for React apps: observable stores and Higher Order Components
Mocking objects with ES6 Proxies
Down To Earth Framework-less Localization for JS Apps
Snapshot Testing with Jest