Whenever we try to change the value of a const variable, it will give a type error. For many javascript developers, the const keyword is more powerful and useful than the var keyword. The const keyword is used to store a variable whose value is not going to change, or whose value a developer does not wish to change. They both have their own way of storing variables. So, const and let were introduced in ES6. Const and LetĮarlier, the var keyword was used to declare variables. Var multiline = `multi-line string multi-line string,Īgain, all we need is to use backticks instead of single quotes. In this article, we will discuss what new features came with ES6. Yes! Two more versions, ES7 and ES8 also came out later, but the major changes were already brought out by the ES6 version. This version brought so much for the javascript syntax. But the most important version, ES6, came out in 2015. In the upcoming years, other versions also came out. ES3 came out in 1999 that caused major rage amoung javascript developers. JavaScript confronts to the ECMAScript specifications. ECMAScript is the specifications for creating a scripting language. In 1997, the ECMAScript stand was established.

The use of javascript increased, and many new features and improvements were added. As mentioned earlier, JavaScript was created in such a short time, and it was never meant to be this big thing. But it is also fair to say, sometimes, it is pain while working with JavaScript. Almost every major website is built using javascript. Along with HTML and CSS, JavaScript is the core technology of the World Wide Web. It is fair to say, It is also one of the most important programming languages.

JavaScript is one of the most popular languages today. It was not meant to be, what it is today.

Es6 new features