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A Promise is a proxy for a value not necessarily known when the promise is created. It allows you to associate handlers with an asynchronous action's eventual success value or failure reason. This lets asynchronous methods return values like synchron …

Here we will learn all new features realted to ECMAScript 6 or ECMAScript 2015 or ES6. Few features like let, const,Arrow functions, Classes, Default parameter values, Array.find(), Array.findIndex() and other topics. We also learn here how to define …

ECMAScript 5 is also known as ES5 and ECMAScript 2009. Here we learn features related to ES5. Some features like 'use strict', Getters & Setters, Array functions, String functions & JSON methods. Currently almost all the browsers support ES5. …

Node Js is an Open Source Server side enviroment to work with JavaScript. WIth the help of Node Js we can run javaScript on server. Node Js create a server to run our applications like Apache or IIS. There are few lines of code to do for create a Nod …