Created
October 15, 2016 08:44
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React component change state (basic example)
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>First Component</title> | |
| </head> | |
| <body> | |
| <!-- container node --> | |
| <div id="app"></div> | |
| <script src="http://fb.me/react-0.11.1.js"></script> | |
| <script src="http://fb.me/JSXTransformer-0.11.1.js"></script> | |
| <script type="text/jsx"> | |
| /** @jsx React.DOM */ | |
| var Timer = React.createClass({ | |
| getInitialState: function() { | |
| return {secondsElapsed: 0}; | |
| }, | |
| tick: function() { | |
| this.setState({secondsElapsed: this.state.secondsElapsed + 1}); | |
| }, | |
| componentDidMount: function() { | |
| this.interval = setInterval(this.tick, 1000); | |
| }, | |
| componentWillUnmount: function() { | |
| clearInterval(this.interval); | |
| }, | |
| render: function() { | |
| return ( | |
| <div>Seconds Elapsed: {this.state.secondsElapsed}</div> | |
| ); | |
| } | |
| }); | |
| React.renderComponent( | |
| <Timer />, | |
| document.getElementById('app') | |
| ); | |
| </script> | |
| </body> | |
| </html> |
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