Learning and implement the react concepts with assignment.

React is Javascript Library .

We have to add scripts of react and react-dom from CDN(Content Delivery Network) . which host the react library .

React scripts is the core of react in which plain javascript , various functions ,methods , algorithm is written . React-DOM this is used for DOM Manipulation.

React is not only work in browser , it also used for applications , So there are different functions , methods which are being used inside react native or browser or different places that's why we used two different scripts .