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Standalone React CDN HTML file
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| <!doctype html> | |
| <html> | |
| <head> | |
| <title>React from CDN Demo</title> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| <style> | |
| body { | |
| font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="root"></div> | |
| <script crossorigin src="https://unpkg.com/babel-standalone@6/babel.min.js"></script> | |
| <script crossorigin src="https://unpkg.com/react@16/umd/react.production.min.js"></script> | |
| <script crossorigin src="https://unpkg.com/react-dom@16/umd/react-dom.production.min.js"></script> | |
| <script type="text/babel"> | |
| class App extends React.Component { | |
| state = { time: 0 } | |
| componentDidMount() { | |
| this.setTime() | |
| this.interval = setInterval(this.setTime, 1000) | |
| } | |
| componentWillUnmount() { | |
| this.clearInterval(this.interval) | |
| } | |
| setTime = () => { | |
| this.setState(({time}) => ({ time: time + 1 })) | |
| } | |
| render() { | |
| return ( | |
| <div> | |
| <h1>Hello World</h1> | |
| <p>{this.state.time} seconds here!</p> | |
| </div> | |
| ) | |
| } | |
| } | |
| ReactDOM.render(<App />, document.getElementById('root')) | |
| </script> | |
| </body> | |
| </html> |
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