JavaScript ES6 features every developer must know

Table of contents

• What is ES6?
• Arrow Functions
• Let and Const
• Template Literals
• Destructuring
• Spread and Rest Operators
• Default Parameters
• Classes
• Promises
• Modules
• Conclusion

What is ES6?

ES6, short for ECMAScript 2015, is a significant update to the JavaScript programming language. ECMAScript is a standard that defines the scripting language specification on which JavaScript is based. ES6 was officially released in June 2015, hence the name ECMAScript 2015, but it’s also commonly referred to as ES6.

ES6 brought many new features and improvements to the language, enhancing its capabilities and making it more powerful, readable, and efficient. Here are some key ES6 features that every developer should be familiar with:

1. Arrow Functions

An arrow function in JavaScript is a concise and streamlined way of writing a function. The syntax for an arrow function is `() => {}`, where the parameters are enclosed in parentheses, followed by a fat arrow `=>`, and…