JAVASCRIPT

what is super(props) in react

class App extends React.Component {
  constructor(props) {
      super(props);

      this.state = {};
   }

  // React says we have to define render()
  render() {
    return <div>Hello world</div>;
  }
};

react. why use super(props)

here is only one reason when one needs to pass props to super():

When you want to access this.props in constructor.

what is super(props) in react

class MyComponent extends React.Component {
  constructor() {
    console.log(this); // Reference Error i.e return undefined
  }

  render() {
    return <div>Hello {this.props.name}</div>;
  }
}

what is the purpose of the super(props) method in React

Super(): It is used to call the constructor of its parent class.
This is required when we need to access some variables of its parent class.
Props: It is a special keyword that is used in react stands for properties.
Used for passing data from one component to another.

from geeksforgeeks.org