0
votes

import React, { Component } from 'react';

class App extends Component { state = {

} render() { return (

hlw

); } }

export default App;

1

1 Answers

0
votes

You must define state like this:

import React, { Component } from 'react';

class App extends Component {
   constructor(props) {
      super(props);
      this.state = { };
   }
   render() {
      return (
        "hlw"
      );
   }
}

export default App;

I advise you to read reactsjs Totorial to find more.