JavaScript Versions

JavaScript is a popular programming language used by developers all over the world. It’s a lightweight and easy-to-learn language that can run on both the client-side (in your browser) and the server-side (on the server). JavaScript was created in 1995 by Brendan Eich.

In 1997, JavaScript became a standard, known as ECMAScript. Since then, there have been many versions of ECMAScript, with new features added over the years. Each version after 2016 is named after the year it was released, like ECMAScript 2016, ECMAScript 2017, and so on.

Let’s take a look at the different versions of ECMAScript, their release years, and the key features they introduced:

Note: Older versions of browsers do not support ES6.

JavaScript Versions – FAQs

What is ECMAScript?

ECMAScript (ES) is the standardized scripting language specification upon which JavaScript is based. It standardizes the core features and functionalities of JavaScript.

What is ES6?

ES6, also known as ECMAScript 2015, is the sixth edition of the ECMAScript standard. It introduced significant improvements and new features to JavaScript, including arrow functions, classes, template literals, and more.

What are some key features introduced in ES6 (ECMAScript 2015)?

• Arrow functions
• Classes
• Template literals
• Default parameters
• Destructuring assignment
• Modules
• Promises
• let and const keywords

What is ES5?

ES5, or ECMAScript 5, is the fifth edition of the ECMAScript standard, released in 2009. It added new features to the language, including strict mode, JSON support, and new array methods.

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Article Tags :

• JavaScript
• Web Technologies
• javascript-basics