React is an open-source, front end, declarative, efficient, and flexible JavaScript library for building user interfaces or UI components. It lets to compose complex UIs from small and isolated pieces of code called “components”. Framework or Library? Framework is a set of resources and tools for software developers to build and manage web…

Function A JavaScript function is a block of code designed to perform a particular task. A JavaScript function is executed when something calls it. Example:

Dive into JavaScript JavaScript was created in 1995 by Brendan Eich. It is a multi-paradigm, dynamic language. It is designed to run as a scripting language in a host environment. The most common host environment is the browser, but JavaScript interpreters can also be found in a huge list of…