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

1 vote237 views1 answer
React native get mac address
Javascript React
0 vote226 views2 answers
React native bordered image drop with shadow fix
Javascript React
0 vote236 views1 answer
Hot loading react native shortcut key
Javascript React
9 votes200 views3 answers
React select
Javascript React
123 votes654 views3 answers
Set interval react
Javascript React
0 vote205 views1 answer
React overflow scroll
Javascript React
0 vote214 views1 answer
React first click not working
Javascript React
0 vote216 views1 answer
React route send informaion in url
Javascript React
0 vote188 views1 answer
Key being passed as prop react
Javascript React
0 vote236 views1 answer
React password hashing
Javascript React