How is Typescript superset of Javascript?

Typescript is a superset of Javascript, which means that it is built on top of Javascript and extends its capabilities. This allows developers to write code in Typescript that can be compiled into Javascript, making it a powerful tool for building web applications.

One of the main features of Typescript is its strong typing system. In Javascript, variables can be of any data type, which can lead to errors in larger applications. Typescript introduces static typing, which allows developers to specify the data type of variables, reducing the potential for bugs and making the code more maintainable.

Typescript also supports the latest features of ECMAScript, the specification that Javascript is based on. This means that developers can use modern Javascript syntax and features while still benefiting from the additional capabilities of Typescript.

Another advantage of Typescript is its excellent tooling support. The Typescript compiler, known as tsc, can catch errors in the code during the development phase, providing a better development experience. Additionally, many popular code editors and IDEs have built-in support for Typescript, including features such as code completion, refactoring, and debugging.

When it comes to Node.js, Typescript offers seamless integration. Node.js is a popular runtime environment for building server-side applications with Javascript, and with Typescript, developers can take advantage of its benefits, such as static typing and modern syntax, when writing backend code.

In conclusion, Typescript is a superset of Javascript that brings strong typing, modern syntax, and excellent tooling support to the table. For developers looking to build robust and maintainable web applications, Typescript is a powerful choice that seamlessly integrates with Node.js and enhances the capabilities of Javascript.