Multiple choice technology

How can you add a comment in a JavaScript?

  1. <!--This is a comment-->

  2. //This is a comment

  3. 'This is a comment

  4. ?this is a comment ?
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

JavaScript uses double forward slashes (//) for single-line comments. Option A () is HTML comment syntax, not JavaScript. Options C and D are not valid comment syntax in any language.

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