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

68 votes261 views3 answers
React add inline styles in react
Javascript React
1 vote217 views1 answer
How to check if url has hash in react
Javascript React
2 votes188 views2 answers
Pdf table files download react not working
Javascript React
6 votes191 views1 answer
React-native loading spinner
Javascript React
0 vote188 views1 answer
Reacts mos twanted
Javascript React
0 vote206 views5 answers
React redux cheat sheet
Javascript React
5 votes196 views1 answer
React code splitting (component based)
Javascript React
1 vote235 views1 answer
React material ui classname
Javascript React
16 votes132 views1 answer
How to insern an image in react
Javascript React
12 votes187 views2 answers
React split array into chunks
Javascript React