A fiber node effectively holds the component's state, props and the underlying DOM element it renders Render Phase In simple terms, React creates a tree of fibre nodes that are cloned and updated whenver a change is to be executed (render). Under the hood, React v16+ uses the React fiber reconciler which is a reimplementation of the stack data structure. REACT ONLINE COMPILER Render Reconcile Repeat It can be used with a combination of other libraries or frameworks. It is concerned only with user interfaces of an application, This corresponds to the view in the MVC template. The main purpose of React is to be declarative, scalable, and simple. React allows developers to create large web applications that can change data, without reloading the page. It was first created by Jordan Walke, a software engineer working for Facebook.

It is used for handling the view layer for web and mobile apps through reusable UI components. It lets you compose complex UIs from small and isolated pieces of code called “components”. React is a popular JavaScript library used for web and mobile app development. A BRIEF INTRODUCTION ReactJS JavaScript Library

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