Answer & Solution
Answer: Option C
Solution:
The identifier '_user' is valid as it starts with an underscore.
1.
Which of the following is a valid JavaScript identifier?
2.
Which naming convention uses hyphens to separate words?
3.
Which of the following is not a valid JavaScript identifier?
4.
What is the naming convention that starts with a lowercase letter and each subsequent word starts with a capital letter?
5.
Which of the following is a valid JavaScript variable name?
6.
What is the best practice for naming JavaScript identifiers?
7.
Which of the following is not a valid identifier naming convention?
8.
What is the correct way to represent a constant in JavaScript?
9.
Which of the following is not a valid JavaScript variable name?
10.
What does the term 'case-sensitive' mean for identifiers in JavaScript?