/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

3 votes291 views1 answer
White screen issue in react native splashscreen
Javascript React
3 votes281 views1 answer
React after deployment givin nginx 404
Javascript React
0 vote274 views1 answer
Active link color different in react js
Javascript React
0 vote287 views1 answer
Reactjs join two array
Javascript React
0 vote320 views1 answer
Filter based on input typing react
Javascript React
112 votes358 views10 answers
React
Javascript React
1 vote289 views1 answer
React native rename package name
Javascript React
0 vote299 views2 answers
React native view background transparency
Javascript React
0 vote328 views1 answer
React native controlling device brightness
Javascript React
0 vote298 views1 answer
How to install yup in react native
Javascript React