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

Similar codes

0 vote190 views1 answer
Make a ReactNative component take the height and width of the current window
Javascript React
0 vote156 views1 answer
Ui5 React bind element
Javascript React
11 votes152 views3 answers
React native text ellipsis
Javascript React
26 votes152 views5 answers
React font-awesome
Javascript React
2 votes144 views1 answer
Redux React redux
Javascript React
5 votes150 views3 answers
How to scroll to an element javascript react
Javascript React
0 vote161 views1 answer
React prevent form submission on enter key press inside inputs
Javascript React
0 vote173 views1 answer
React router native back button
Javascript React
23 votes173 views5 answers
USE ICONS IN REACT
Javascript React
0 vote141 views1 answer
React tooltip doesn't work
Javascript React