React allows you to create a large application by using SPA i.e. Single Page Application An application that consists of a single page- a single URL. That's why it is very fast so you don't need to wait for reloading the whole new page instead you just reload the parts of the page. It only supports the UI components so, in order to get fully fledged website we need to integrate this with other technologies like redux etc.
React divides the UI into multiple components, which makes the code easier to read and debug also enhance the reusability of code.
Benefits and Features of React:
Easy creation of dynamic and complex applications with less coding.
React Improved performance by allowing multiple users to work on each component simultaneously , which speeds up the development times. Also it uses Virtual DOM which compares the component's previous states and updates only the items in the Real DOM that were changed ,instead of updating all the component again.
It uses Components, State and props:-
Components are the building blocks of any react application. React divides the UI into independent reusable parts that can be processed separately which is the beauty of the react.
State stores the data or information about the component like an object. Whenever components state changes (in response to user's action),the component re-renders.
Props are short for properties like html attributes. It passes data from one component to others as in function arguments. Don't worry I will provide you the link below where you can acquire a deep knowledge about how states and props work.
Also how to write your very first code with react.
React is all about components, state and props .Once you understand these concepts it becomes very easy for you to build large scale and complex applications.
It can be used for both web and mobile apps development. There is a framework called React Native which is used for mobile applications.
So, here you can learn and start building your react based applications.
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