JavaScript

WebSockets

WebSockets is a technique for two-way communication over one (TCP) socket using the ws (unsecured) or wss(secured) protocol and can be used by any client or server application. The common use cases includes push notification, chat applications, online multi-player game or any such real-time data sharing…

Using Default Parameter to enforce a required Parameter

Default function parameters allow formal parameters to be initialized with default values if no value or undefined is passed. We can use this fact to enforce a required parameter as well.

Understanding the…

Subresource Integrity (SRI)

While adding resources like jQuery / bootstrap, ever wondered what “ integrity” & “ crossorigin" attributes are ?

Introduction

Promises in ES6 (Part 2)

We will try to understand the then and catch methods, which are used to perform some action after the promise is settled. We will also understand the fulfillment value of a promise.

Promises in ES6 -(Part 1)

An introduction to a new Asynchronous Programming pattern. Will also see how is it different / similar to callback pattern and the original event-based pattern.

JavaScript — Block scoped Variables

ECMAScript 6 | 2015 has added support for blocked scoped variables using ‘let’ keyword.

The ‘let’ keyword is introduced in ES6 to declare block scoped variable. The ‘var’ keyword…

Web Workers : Introduction

A web worker is a JavaScript that runs background in a separate thread and live in a self-contained execution environment, which enables to process heavy computations without blocking the main UI thread.

Web Workers are a mechanism by which a script…