NodeJS is used on both the backend and frontend development sides. On the backend, NodeJS is used to create servers, APIs, and database operations. In the frontend, it is mainly used to build single-page applications and to run various tests.
In conclusion, NodeJS is a powerful technology used for both the backend and frontend development of web applications and websites. It is highly efficient, secure, and reliable and provides a great way for businesses, entrepreneurs, and developers to create highly efficient, powerful applications and websites.