functions in react code example

Example 1: react bind function to component

class Foo extends Component {
  constructor(props) {
    super(props);
    this.handleClick = this.handleClick.bind(this);
  }
  handleClick() {
    console.log('Click happened');
  }
  render() {
    return Click Me;
  }
}

Example 2: class app extends component syntax

class Welcome extends React.Component {
  render() {
    return 
Hello, {this.props.name}
;
  }
}

Example 3: react functional components

const component = () => {
console.log("This is a functional Component");
}

Example 4: defining functions in react

export default class Archive extends React.Component { 

    saySomething(something) {
        console.log(something);
    }

    handleClick(e) {
        this.saySomething("element clicked");
    }

    componentDidMount() {
        this.saySomething("component did mount");
    }

    render() {
        return ;
    }
}

Example 5: react native function

class Foo extends Component {
  handleClick() {
    console.log('Click happened');
  }
  render() {
    return Click Me;
  }
}