React - Create a Stateful Component

JavaScript
1

The state of StatefulComponent should be initialized with a property firstName set to a string.
The property firstName in the state of StatefulComponent should render in the h1 element.
I keep getting this errors don’t know whats going on :frowning:

  **Your code so far**

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

this.state = {
    firstname : "Hello!"
  }

}
render() {
  return (
    <div>
      <h1>{this.state.firstname}</h1>
    </div>
  );
}
}

  **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.0

Challenge: React - Create a Stateful Component

Link to the challenge:

2

Remember that JavaScript is case-sensitive.

3

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