React

See demo at https://csprojects.me/guessGame/React/

React concepts applied:

• Components and nested components
• props
• state
• refs
• jsx

React is a front-end framework with the central concept of components. Recommended video to understand the design of React and the rationale behind it:
https://www.youtube.com/watch?v=x7cQ3mrcKaY

References:

https://facebook.github.io/react/docs/tutorial.html

https://egghead.io/lessons/react-using-refs-to-access-components

https://facebook.github.io/react/tips/if-else-in-JSX.html

https://facebook.github.io/react/tips/expose-component-functions.html

http://viget.com/extend/building-a-multi-step-registration-form-with-react