ReactJS: Why use this.props.children?

Question

I\'ve realised that none of the components I write use {this.props.children}.

I tend to compose my components the way the official docs state at the top

Answer 1

Some components don't know their children ahead of time. This is especially common for components like Sidebar or Dialog that represent generic "boxes".

We recommend that such components use the special children prop to pass children elements directly into their output: Read More...