7. JavaScript Versions

The ECMAScript 2022 standard was released in 2022. Important features added to this update include private methods and fields, Array at() and String at() methods etc. This chapter discuss all the newly added features in ECMAScript 2022. New Features Added in ECMAScript 2022 Here are the new methods, features, etc., added to the ECMAScript 2022 version of JavaScript. Here, we have explained […]

The ECMAScript 2021 standard was released in 2021. ECMAScript 2021 brought many notable features to JavaScript. The introduction of the String replaceAll() method simplified global string replacement. Logical Assignment Operators, (&&=, ||=, and ??=), enhanced code conciseness. This update focused on improving developer productivity and code readability. This chapter will discuss all the newly added features in ECMAScript 2021. New Features […]

The ECMAScript 2020 version of JavaScript was released in 2020. Notable features added in this version include the nullish coalescing operator (??) for more concise default value assignment and dynamic import() for on-demand module loading. BigInt provides a way to safely work with very large integers. This chapter will discuss all the newly added features in ECMAScript 2020. Features […]

The ECMAScript 2019 standard was released in 2019. Important additions to this update include Array flat() and Array flatMap(), offering concise array manipulation methods. The Object.fromEntries() method simplifies object creation from key-value pairs. These improvements in ECMAScript 2019 aimed to enhance code conciseness and functionality. This chapter will discuss all the newly added features in ECMAScript 2019. New Features Added in […]

The ECMAScript 2018 version of JavaScript was released in 2018. ECMAScript 2017 introduced singnificant enhancement to the language. Two important features introduced in this version are asynchronous iteration for improved handling of asynchronous operations, and promise finally() to execute code regardless of promise resolution. This chapter will discuss all the new added features in ECMAScript 2018. New Added Features in ECMAScript […]

The ECMAScript 2017 version of JavaScript was released in 2017. ECMAScript 2017 introduced a number of new features to the language. One the most notable features is async/await syntax which allows us to write asynchronous operations in a more synchronous style. It provided shared memory and atomics that enhances support for concurrent programming. In this […]

The ECMAScript 2016 version of JavaScript was released in 2016. Previously the old versions of JavaScript are named by numbers for example ES5 and ES6. Since 2016 the versions are named by the year they are released for example ECMAScript 2016, ECMAScript 17, etc. Lets discuss the featues added in ECMAScript 2016. New Features Added in ECMAScript […]

The ES6 version of JavaScript was released in 2015, marking the second major revision of JavaScript. The ES6 is also known as ECMAScript 2015. Some of the important features introduced in ES6 are arrow functions, let and const keywords, Classes, res parameters, etc. This chapter will discuss all the newly added features in ES6 version. […]

JavaScript ES5, also known as ECMAScript 5, was released in 2009. It was the first major revision of JavaScript. It introduced many new features, including getters and setters, and ‘use strict‘ directive. ES5 has provided significant improvement over the previous versions of JavaScript. The new features introduced in ES5 make code more powerful, concise and easier to maintain. […]

JavaScript was developed by Brendan Eich in 1995. It was standardized in 1997 by European Computer Manufacturers Association (ECMA) and officially known as ECMAScript. The first version of the language is known as ECMSScript 1 (abbreviated as ES1). The fist three versiosn (ES1, ES2, and ES3) laid the foundation of the language. The fourth version, […]