Libuv is a widely used library present in Node.js. It is used to complement the asynchronous I/O functionality of Node.js. It was developed in-house and used alongside systems such as Luvit, Julia, and more.
Following are some of the features of Libuv:
File system event handling
Child forking and handling
Asynchronous UDP and TCP sockets
Asynchronous file handling and operations
Next in these Node JS questions, you need to understand the functioning of Google Chrome.