HandleClick react

Onclick react

function ActionLink() {
  function handleClick(e) {    e.preventDefault();    console.log('The link was clicked.');  }
  return (
    <a href="#" onClick={handleClick}>      Click me
    </a>
  );
}

Source: reactjs.org

HandleClick react

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(state => ({      isToggleOn: !state.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 vote247 views1 answer
How to disable reactive form submit button in Angular
Javascript React
4 votes244 views2 answers
[!] CocoaPods could not find compatible versions for pod "ReactCommon/jscallinvoker": In Podfile: ReactCommon/jscallinvoker (from `../node_modules/react-native/ReactCommon`)
Javascript React
0 vote246 views1 answer
React this.state.selectedDays.toLocaleDateString is not a function
Javascript React
1 vote246 views2 answers
React select npm
Javascript React
24 votes218 views6 answers
React native navigation
Javascript React
17 votes234 views5 answers
React native background image
Javascript React
0 vote234 views1 answer
Text decoration react native
Javascript React
0 vote397 views5 answers
Prototype react
Javascript React
0 vote236 views1 answer
Navigate to another page onPress button react native
Javascript React
93 votes202 views6 answers
React router dom install
Javascript React