Skip welcome & menu and move to editor
Welcome to JS Bin
File
Add library
Share
Login or Register
Blog
Help
Load cached copy from
  • Run with JS
  • Save
  • Share
  • …
 
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
  <script src="https://fb.me/react-15.1.0.js"></script>
  <script src="https://fb.me/react-dom-15.1.0.js"></script>
</head>
<body>
  <div id="root"></div>
</body>
</html>
 
class App extends React.Component {
  state = {
    selectedValue : ''
  }
  
  optionSelected = (e) => {
    console.log(e.target.value)
    this.setState({
      selectedValue : e.target.value
    })
  }
  
  reset = (e) => {
    this.setState({
      selectedValue : ''
    })
  }
  
  render () {
    const { selectedValue } = this.state;
    return (
      <div>
        <div>
         <input 
            type="radio" 
            name="age" value="A" 
            onChange={this.optionSelected}
            checked={selectedValue === 'A'}/> A
        </div>
        <div>
         <input 
            type="radio" 
            name="age" 
            value="B" 
            onChange={this.optionSelected}
            checked={selectedValue === 'B'}/> B
        </div>
        <div>
         <input 
            type="radio" 
            name="age" 
            value="C" 
            onChange={this.optionSelected}
            checked={selectedValue === 'C'}/> C
        </div>
        
        <button onClick={this.reset}>reset</button>
      </div>
    );
  }
}
​
ReactDOM.render(<App/>, document.querySelector('#root'))
Output

You can jump to the latest bin by adding /latest to your URL

Dismiss x
public
Bin info
anonymouspro
0viewers