/Javascript/React/What is super(props) in react

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>;
  }
};

Source: stackoverflow.com

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.

Source: stackoverflow.com

Similar codes

-2 votes125 views1 answer
You are running Node 8.10.0. Create React App requires Node 10 or higher. Please update your version of Node.
Javascript React
0 vote136 views1 answer
Debug.xcconfig: unable to open file react native
Javascript React
1 vote101 views1 answer
Deploy react to aws
Javascript React
0 vote145 views1 answer
How to update state.item[1] in state using setState? React
Javascript React
1 vote115 views1 answer
External script in react
Javascript React
4 votes119 views2 answers
React checking matches in state array
Javascript React
0 vote86 views2 answers
Can we use .env in react native?
Javascript React
18 votes108 views2 answers
Store data in localstorage react
Javascript React
0 vote257 views1 answer
How to place text over image in react
Javascript React
6 votes101 views1 answer
Disable inputetext in react native
Javascript React