/Javascript/React/Reactjs ES6 class event listeners in jsx

Reactjs ES6 class event listeners in jsx

class Toggle extends React.Component {
  constructor(props) {
    super(props);
    this.state = {isToggleOn: true};

    // This binding is necessary to make `this` work in the callback
    this.handleClick = this.handleClick.bind(this);
  }

  handleClick() {
    this.setState(prevState => ({
      isToggleOn: !prevState.isToggleOn
    }));
  }

  render() {
    return (
      <button onClick={this.handleClick}>
        {this.state.isToggleOn ? 'ON' : 'OFF'}
      </button>
    );
  }
}

ReactDOM.render(
  <Toggle />,
  document.getElementById('root')
);

Source: reactjs.org

Similar codes

0 vote373 views1 answer
React native tdd emzyme
Javascript React
0 vote351 views2 answers
Run build version react
Javascript React
4 votes345 views1 answer
React router external link
Javascript React
0 vote367 views1 answer
React native run-android --release
Javascript React
0 vote367 views1 answer
React sagas state
Javascript React
1 vote339 views1 answer
React next alias import
Javascript React
0 vote340 views1 answer
Valueof in react native
Javascript React
0 vote355 views3 answers
React js require pasword to have special charaacter
Javascript React
0 vote317 views1 answer
ReactNative onPress doesn't exist
Javascript React
0 vote348 views2 answers
How to pass data in router link react-typescript
Javascript React