react component lifecycle with functions code example
Example 1: lifecycle methods react
Every component in React goes through a lifecycle of events. I like to think of them as going through a cycle of birth, growth, and death.
Mounting – Birth of your component
Update – Growth of your component
Unmount – Death of your component
Example 2: lifecycles if reactjs
class Clock extends React.Component {
constructor(props) {
super(props);
this.state = {date: new Date()};
}
componentDidMount() { }
componentWillUnmount() { }
render() {
return (
Hello, world!
It is {this.state.date.toLocaleTimeString()}.
);
}
}