Also, let and const do not support hoisting, making the coding approach more efficient 2. The let keyword made it possible to achieve the essential feature of block scoping, which was not possible in previous versions. Up till ES5, the only way to declare a variable was using the var keyword. Let’s look at the very popular features that ES6 comes with and which are must to know for you as a developer. They all apply ES6 features like classes, arrow functions, let and const variables.

All the modern frameworks use ES6 features, be it front-end frameworks like Vue.js, Angular js or libraries like React.

It also helped in making JS familiar for programmers of other languages like Java and C++, wanting to switch to JS.

This version supports class keyword for object oriented programming, making it easier to write OOPS concepts.

And even though it has been there for quite a while it still is one of the popular languages to learn.

It has brought some of the major changes in JS, making it almost like a new language.So, out of 13 versions released, what is it that makes ES6 qualify to be known as Next-Gen JavaScript or Advanced JavaScript? Let’s know the answer.īelow are the reasons that make ES6 important: In 2015, ES6 version was released, which was officially called ECMA Script 2015.Ĭonsecutively more ES versions were released with small changes, ES13 being the latest.

Then versions were released with small changes until 2015.

The first version of ECMA Script (ES) was called ES1 and was released in 1997. In simple words, ECMA provides standards (rules and syntax) for JavaScript.ĮCMA Script is the programming standard that is adopted by JavaScript, which means that whenever there is a revision in ECMA Script version, there is a revision in JavaScript version and the new JS version is released, it is not called JavaScript (JS) version but ECMA script version (e.g. Few programming languages are also standardized by ECMA, JavaScript being one such language. ECMA, what is it?ĮCMA or the Computer Manufacturers Association is an organization that provides standards for information and communication systems. But before that, it is important to understand its main predecessor known as ECMA. Hello readers, this blog is going to be very helpful for you as a web designer or learner as it covers the most in-demand topic of the year which is ES6.

What is es6