React provides powerful abstractions that free you from touching the DOM directly in most cases, but sometimes you simply need to access the underlying API, perhaps to work

Note: cloneWithProps is deprecated. Use React.cloneElement instead. In rare situations, you may want

Usually, a component's children (this.props.children) is an array of components: var

mixins array mixins The mixins

We'll be building a simple but realistic comments box that you can drop into a blog, a basic version of the realtime comments offered by Disqus, LiveFyre or Facebook comments

Mounting: componentWillMount void componentWillMount() Invoked

ReactLink is an easy way to express two-way binding with React. ReactLink is deprecated as of React v15. The recommendation

So far, we've looked at how to write a single component to display data and handle user input. Next let's examine one of React's finest features: composability.

If you know all the properties that you want to place on a component ahead of time, it is easy to use JSX:

In most cases, you can use the key prop to specify keys on the elements you're returning from render. However, this breaks down in one situation: