how to comment code in jsx code example

Example 1: how to add comment in react js

{/* A JSX comment */}

Example 2: comment in react

{/* A JSX comment */}

Example 3: comment jsx code

{/*  comment here  */} 
 It is a regular /* Block Comments */, but needs to be wrapped in curly braces.

Example 4: how to comment out code in react js

render() {
  return (
    <div>
      <!-- This doesn't work! -->
    </div>
  )
}