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Interacting Stateful Components with Stateless Components
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8" /> | |
| <title>Hello World</title> | |
| <script src="https://unpkg.com/react@latest/dist/react.js"></script> | |
| <script src="https://unpkg.com/react-dom@latest/dist/react-dom.js"></script> | |
| <script src="https://unpkg.com/[email protected]/babel.min.js"></script> | |
| </head> | |
| <body> | |
| <div id="root"></div> | |
| <script type="text/babel"> | |
| // Create a stateless component | |
| const PeopleManager = (props) => { | |
| return ( | |
| <div className="people-manager"> | |
| <header className="people-manager__header"> | |
| <h1>Manage People</h1> | |
| </header> | |
| <div className="people-manager__controls"> | |
| <button onClick={props.handler}>Add Person</button> | |
| </div> | |
| <div className="people-manager__people"> | |
| <ul> | |
| { | |
| props.people.map((person, index) => { | |
| return <li key={index}>{person}</li> | |
| }) | |
| } | |
| </ul> | |
| </div> | |
| </div> | |
| ) | |
| } | |
| // Create a stateful component | |
| class StatefulComponent extends React.Component { | |
| constructor(props) { | |
| super(props) | |
| this.state = { 'people': [] } | |
| this.handleClick = this.handleClick.bind(this) | |
| } | |
| // Simple click method, it will add a name at random to the people array. | |
| handleClick(e) { | |
| const names = ['Popeye', 'Superman', 'Spiderman', 'Bugs Bunny', 'Hulk'] | |
| const name = names[Math.floor(Math.random()*names.length)] | |
| this.setState({ | |
| 'people': this.state.people.concat(name) | |
| }) | |
| e.preventDefault() | |
| } | |
| render() { | |
| return ( | |
| <div> | |
| { PeopleManager({ people: this.state.people, handler: this.handleClick }) } | |
| </div> | |
| ) | |
| } | |
| } | |
| ReactDOM.render( | |
| <StatefulComponent />, | |
| document.getElementById('root') | |
| ) | |
| </script> | |
| </body> | |
| </html> |
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