Mastering TypeScript 3 - Third Edition

React summary

In this section of the chapter, we have explored how to build our sample application using React. As we have seen, React uses JSX syntax, which combines HTML-style declarations right inside our TypeScript classes. For this reason, we need to use a .tsx extension for our TypeScript files instead of the standard .ts extension. We have seen how to create child components, and how a React component can make use of these child components in its own rendering function. We have built our sample application and seen how to use arrays of components, how to handle DOM events such as onClick, and how React uses callback functions to pass messages from a child component to a parent component.

We have also explored form processing, and seen ...