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How React Components Are Reused
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8" /> | |
| <title>React</title> | |
| </head> | |
| <body> | |
| <div id="root"></div> | |
| </body> | |
| <script src="https://unpkg.com/react@17/umd/react.development.js"></script> | |
| <script src="https://unpkg.com/react-dom@17/umd/react-dom.development.js"></script> | |
| <script src="https://unpkg.com/@babel/standalone/babel.min.js"></script> | |
| <script type="text/babel"> | |
| class MouseTracker extends React.Component { | |
| constructor(props) { | |
| super(props); | |
| this.state = { x: 0, y: 0, } | |
| } | |
| handleMouseMove = (event) => { | |
| this.setState({ | |
| x: event.clientX, | |
| y: event.clientY | |
| }); | |
| } | |
| render() { | |
| return ( | |
| <div onMouseMove={this.handleMouseMove}> | |
| {this.props.render(this.state)} {/* Render Props */} | |
| </div> | |
| ) | |
| } | |
| } | |
| class MouseLocation extends React.Component { | |
| render() { | |
| return ( | |
| <> | |
| <h1>Please move the mouse here</h1> | |
| <p>The current mouse position is: x:{this.props.mouse.x} y:{this.props.mouse.y}</p> | |
| </> | |
| ) | |
| } | |
| } | |
| ReactDOM.render( | |
| <MouseTracker render={mouse => <MouseLocation mouse={mouse} />}></MouseTracker>, | |
| document.getElementById("root") | |
| ); | |
| </script> | |
| </html> |
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