Which of the following is the correct statement for comment in a JavaScript?

1. A) $This is a comment$
2. B) //This is a comment
3. C) #This is a comment#
4. D) None of above

Answer: B) //This is a comment.

Explanation: In JavaScript, comments are denoted by //. This indicates that the text following the // is a comment and will not be executed by the browser. Comments are useful for providing explanations.

Example:

<script>
  console.log("Hello World!"); // output - Hello World
</script>