Class component react

Lifecycles if reactjs

class Clock extends React.Component {
  constructor(props) {
    super(props);
    this.state = {date: new Date()};
  }

  componentDidMount() {  }
  componentWillUnmount() {  }
  render() {
    return (
      <div>
        <h1>Hello, world!</h1>
        <h2>It is {this.state.date.toLocaleTimeString()}.</h2>
      </div>
    );
  }
}

Source: reactjs.org

Class component react

class ComponentName extends React.Component {
  render() {
    return ;
  }
}

export default ComponentName;

Class Component in ReactJS

class HelloMessage extends React.Component {
  render() {
    return (
      <div>
        Hello {this.props.name}
      </div>
    );
  }
}

ReactDOM.render(
  <HelloMessage name="Taylor" />,
  document.getElementById('hello-example')
);

Source: reactjs.org

React js class component

// New component class starts here:
class Friend extends React.Component {
  render() {
    const friend = friends[0];
    return (
      <div>
        <h1>{friend.title}</h1>
        <img src={friend.src}/>
      </div>
    );
  }
}

Similar codes

17 votes131 views4 answers
React native geolocation
Javascript React
0 vote121 views1 answer
React get current date minus 7 days
Javascript React
1 vote114 views3 answers
React native SafeAreaView
Javascript React
3 votes115 views3 answers
How to hide source for react project
Javascript React
1 vote106 views2 answers
React native choose simulator
Javascript React
0 vote114 views1 answer
React-native-safe-area-context
Javascript React
1 vote106 views3 answers
Add react to existing project
Javascript React
1 vote139 views2 answers
React native open link in browser
Javascript React
0 vote107 views1 answer
How to change background image dynamically in react
Javascript React
0 vote109 views1 answer
Compass in react js
Javascript React