反应元素本身是否有内部文本，内部 html？

Question

Learning react, i see element examples like this,

const element = <Welcome name="Sara" />;

Does it support ?

const element = <Welcome name="Sara">good day </Welcome>;

If so, how to get "good day" while "name" belongs to props ?

Thanks !

Answer 1

The content of the element is exposed through the children prop.

 const Welcome = (props) => { return <div> <p>Hello {props.name}!</p> {props.children} </div> }; ReactDOM.render(<Welcome name="Sara">good day </Welcome>, document.body);

 <script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.6.3/umd/react.production.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.6.3/umd/react-dom.production.min.js"></script>

Answer 2

React has children prop out of the box, which accepts nested content inside Component

 function Welcome (props) { console.log('props.name', props.name) console.log('props.children', props.children) return <h1>{props.name} {props.children}</h1> } function App () { return ( <div> <Welcome name="Sara">good day </Welcome> <Welcome name="Sara" /> </div> ); } ReactDOM.render(<App />, document.body)

 <script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.6.3/umd/react.production.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.6.3/umd/react-dom.production.min.js"></script>