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

13 votes213 views1 answer
React making post request
Javascript React
0 vote210 views1 answer
How to empty input field in react
Javascript React
63 votes193 views6 answers
React router install
Javascript React
3 votes219 views2 answers
React how to scroll to element
Javascript React
0 vote206 views1 answer
Como hacer un onpress en react native expo
Javascript React
0 vote155 views1 answer
React node github project
Javascript React
0 vote221 views1 answer
Limit values that satisy a url parameter react-router
Javascript React
0 vote168 views1 answer
Ctx beginpath react
Javascript React
23 votes210 views4 answers
Click to copy react
Javascript React
0 vote202 views1 answer
React 1 to 10 rating
Javascript React