In this short video tutorial I’ll take a moment to explain WebSockets. We won’t go into the low-level details of WebSockets, but it helps to understand what’s going on behind the scenes. I’ll also give you an overview of the current browser support for WebSockets. | Difficulty: Beginner; Length: Quick; Tags: JavaScript, WebSockets, Course Lesson
Source : What Are WebSockets? A Brief Introduction – Envato Tuts+ Code Tutorial