How to Use React to Handle Complex State and Logic

Norris: "I tried adding some JavaScript to the web pages to make this work, but honestly, it doesn't work very well" He says React is good at handling complex state and logic in a way that eliminates some classes of bugs. To use a React program, you first include a script tag that contains all the source code for the React library. The browser keeps track of what is on the screen in the form of a tree structure.