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How do you comment a single line of code in JavaScript?
  • a)
    // This is a comment
  • b)
    <!-- This is a comment -->
  • c)
    /* This is a comment */
  • d)
    // This is a comment //
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
How do you comment a single line of code in JavaScript?a)// This is a ...
Single-line comments in JavaScript are denoted by //.
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Most Upvoted Answer
How do you comment a single line of code in JavaScript?a)// This is a ...
If you want write single line of code in JavaScript //
E.g
//Making a variable
let a = 7;
Free Test
Community Answer
How do you comment a single line of code in JavaScript?a)// This is a ...
Explanation:

Single Line Comment in JavaScript:
- In JavaScript, you can comment a single line of code using two forward slashes "//".
- Anything after the "//" will be treated as a comment and will not be executed by the browser.
- Single line comments are useful for adding explanations or notes within your code without affecting its functionality.

Example:
javascript
// This is a comment
var x = 5; // This variable stores the value 5

Benefits of Single Line Comments:
- Improve code readability: Comments help other developers understand your code more easily.
- Debugging: Comments can be used to temporarily disable a line of code for debugging purposes.
- Documentation: Comments can serve as documentation for your code, explaining the purpose of certain lines or sections.

Best Practices for Using Comments:
- Use comments sparingly and only when necessary.
- Keep comments concise and to the point.
- Update comments when you make changes to the code to ensure they remain accurate and helpful.
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How do you comment a single line of code in JavaScript?a)// This is a commentb)<!-- This is a comment -->c)/* This is a comment */d)// This is a comment //Correct answer is option 'A'. Can you explain this answer?
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