Arrow functionss are a function shorthand using the => syntax (fat arrow). They are syntactically similar to the related feature in C#, Java 8 and CoffeeScript. They support both expression and statement bodies. Unlike functions, arrows share the same lexical this as their surrounding code.

Grunt is a task runner that has a ton of plugins for doing things like compiling LESS/SASS into CSS, concatenating JavaScript, minifying, etc. It also has a package for watching files (the same way CodeKit and Prepros does) and firing off certain tasks when they’re modified.

A closure is an inner function that has access to the outer (enclosing) function’s variables—scope chain.

In this article, we are discussing about how to perform a production deployment for React

JavaScript classes are simply syntactic sugar over existing JavaScript prototype chain. But classes give you a cleaner way to organise your code, and make it slightly easier for the beginner or people who are familiar with class oriented languages to read JS and understand.

In a scaling project, the way CSS spans out can bring us various problems. Let’s look at these issues, and discuss them in detail.

ECMAScript is a object based language. An object has a built-in property named constructor.

Prototype objects are just simple JavaScript objects and may have their own prototypes. If a prototype has a non-null reference to its prototype, and so on, this is called the prototype chain.

Local storage is more secure, and large amounts of data can be stored locally, without affecting website performance. Unlike cookies, the storage limit is far larger (at least 5MB) and information is never transferred to the server.