React for beginner

React was created by Facebook and it is very popular among developers.

Learn once but write code everywhere.

React supports by Facebook so we are sure that they support almost all of browsers.

it looks like HTML.

React was designed to improve performance. Other frameworks update DOM directly, but React use virtual DOM to update less on DOM directly which improve performance significantly.

Jest is the most popular created by Facebook.

React tend to need writing more line of code because of one way biding variable approach.