Since its inception, has become one of the most widely used programming languages on the web, and it is supported by all modern web browsers. It is used to create a wide range of web-based applications, including web games, interactive forms, and online shopping carts. It is also used to create mobile apps, desktop applications, and server-side applications.
Some of the new features in ECMAScript 2021 include:
Class fields: Allows class instances to have public and private fields, similar to how they can have public and private methods.
Optional chaining: Makes it easier to access properties of objects and arrays that may or may not exist.
Nullish coalescing: Allows developers to specify a default value for a variable only if it is null or undefined.
Pipeline operator: Makes it easier to chain function calls together and manipulate the input and output of functions.
There are several reasons why you might want to study.
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