Created
October 31, 2016 19:34
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8" /> | |
| <title>React - Aula 01</title> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/babel-core/5.8.23/browser.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/react/0.13.3/react-with-addons.js"></script> | |
| </head> | |
| <body> | |
| <div id="aula-01"></div> | |
| <script type="text/babel"> | |
| <!-- Criando um componente react --> | |
| class App01 extends React.Component{ | |
| constructor(){ | |
| super(); | |
| this.state = { | |
| contador:0, | |
| } | |
| } | |
| _somarContador(valor){ | |
| this.setState({ | |
| contador: this.state.contador + valor, | |
| }) | |
| } | |
| <!-- o render defini/gera o output do nosso componente --> | |
| render(){ | |
| return ( | |
| <div> | |
| <h1>Hello World</h1> | |
| <button onClick={() => this._somarContador(1)}>Somar</button> | |
| <span>{this.state.contador}</span> | |
| <button onClick={() => this._somarContador(-1)}>Subtrair</button> | |
| </div> | |
| ); | |
| } | |
| } | |
| React.render(<App01/>, document.getElementById('aula-01')); | |
| </script> | |
| </body> | |
| </html> |
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