What is ES6?

To understand what ES6 is, we must first find out what Javascript is. Javascript is a scripting language that is primarily used on the Web but it is not limited to the web alone. Javascript is used to add more dynamic features to HTML pages and is usually found embedded inside HTML code. JavaScript is an interpreted language. Therefore, there is no need to be compiled. JavaScript renders web pages in a dynamic and more interactive fashion. This allows the pages to react to events, display special effects, take in variable text, create cookies, validate data, detect which browser a user is on, etc.

ECMAScript is a scripting-language specification that is standardized by ECMA International. It was designed to standardize JavaScript to help further multiple independent implementations. JavaScript has remained the best-known implementation of the ECMAScript standard since the standard was first issued, with other well-known implementations including ActionScript and JScript. ECMAScript is regularly used for client-side scripting on the World Wide Web, and it is frequently being used for writing server applications and services utilizing Node.js.

ECMAScript (ES) is a scripting language blueprint that is standardized by ECMAScript International. It is used by software applications to enable client-side scripting. The specification is greatly inspired by other programming languages such as Python, Pearl, Java, etc. Languages like JScript, JavaScript and ActionScript are governed by this specification.

ECMAScript 6, or ES6, was officially released in June 2015. It was consequently renamed to ECMAScript 2015. Web browser support for the full language is not yet full, although major portions are supported. A large number of web browsers support some features of ES6. Nevertheless, it is possible to use a software known as ES6 transpiler to convert ES6 code down to ES5, which is better supported on most browsers.

JavaScript ES6 comes with new syntax and awesome features to make your code more modern and more readable. It ensures that you to write lesser amount of code and do more.

Features of ES6

Below are some of the new features that are added to ES6.

1. Arrow Functions.

2. Classes.

3. Enhanced Object Literals.

4. String interpolation.

5. Destructuring.

6. Default.

7. Spread.

8. Spread + Object Literals.

9. Rest.

10. Let.

11. Const.

12. For / Of

13. Unicode.

14. Modules & Module Loaders.

15. Set.

16. WeakSet.

17. Map.

18. WeakMap.

19. Proxies.

20. Symbols.

21. Inheritable Built-ins.

22. New Library

23. Binary and Octal.

24. Promises.

25. Reflect.

26. Tail Call Optimization.

Benefits and advantages of ES6

There are many benefits of learning ES6. Below are some of the benefits that are offered by its new features:

1.ES6 Let keyword allows developers to declare variables that are limited in scope to the statement, block or expression in which they are used. Not like the var keyword, which specifies a variable globally or locally to an entire code function despite the block scope.

2. The new classes that are introduced in ES6 present software developers with a much clearer and simpler syntax to create objects and to deal with class inheritance. ES6 syntax offers two ways to define a class first is by using class declarations, second ids by using class expressions.

3. ES6 provides a more advanced pattern for importing/exporting modules than the widely used pattern in regular Javascript.


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