One of React's biggest strengths is that it's easy to track the flow of data through your React components. When you look at a component, you can easily see exactly which props

CDN-hosted React We provide CDN-hosted versions of React on our download page. These pre-built files use the UMD

After building your component, you may find yourself wanting to "reach out" and invoke methods on component instances returned from render(). In most cases, this

JSX looks like HTML but there are some important differences you may run into. For DOM differences, such as the inline style

Form components such as <input>, <textarea>, and <option> differ from other native components because they can be mutated

React lets you use whatever style of data management you want, including mutation. However, if you can use immutable data in performance-critical parts of your application

When designing interfaces, break down the common design elements (buttons, form fields, layout components, etc.) into reusable components with well-defined interfaces. That

You've already learned how to display data with React. Now let's look at how to make our UIs interactive

The most basic thing you can do with a UI is display some data. React makes it easy to display data and automatically keeps the interface up-to-date when the data changes.

ES2015 with JSX In-browser JSX Transform If you