Render HTML Elements to the DOM(3)

Tell us what’s happening:
getting error that ReactDom is not defined

Your code so far


const JSX = (
  <div>
    <h1>Hello World</h1>
    <p>Lets render this to the DOM</p>
  </div>
);
// change code below this line
ReactDom.render(JSX , document.getElementById('challenge-node'));

Your browser information:

User Agent is: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:63.0) Gecko/20100101 Firefox/63.0.

Link to the challenge:
https://learn.freecodecamp.org/front-end-libraries/react/render-html-elements-to-the-dom

I think it should be ReactDOM.