// MyModule.js var MyModule = { sayHello: function() { console.log('Hello, Fbjs!'); } }; // MyAsyncModule.js var MyAsyncModule = { getData: function(callback) { setTimeout(function() { var data = { name: 'John', age: 30 }; callback(data); }, 1000); } }; MyAsyncModule.getData(function(data) { console.log('Received data:', data); }); // MyComponent.js var MyComponent = React.createClass({ getInitialState: function() { return { count: 0 }; }, handleClick: function() { this.setState({ count: this.state.count + 1 }); }, render: function() { return ( <div> <p>Count: {this.state.count}</p> <button onClick={this.handleClick}>Increase</button> </div> ); } }); ReactDOM.render(<MyComponent />, document.getElementById('root'));


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