Render a Class Component to the DOM help

Tell us what’s happening:

Greatings fellow campers. Hope you are all good and well

i am trying to solve this challenge but when i click run the test button the entire website froze up and i cant do until i refresh the page. What could be wrong to my answer?

Your code so far

class TypesOfFood extends React.Component {
  constructor(props) {
  render() {
    return (
        <h1>Types of Food:</h1>
        {/* change code below this line */}
        ReactDOM.render(<TypesOfFood />, document.getElementById ('challenge-node')
        {/* change code above this line */}

// change code below this line

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36.

Link to the challenge:

i solved the challenge. The mistake i did first is i did not follow the simple instruction written //change code below this line and second error comes to the DOM section where the syntax was wrong i did not close the the second bracket