Q
Which of the following is not a valid JavaScript identifier?

Answer & Solution

Answer: Option C
Solution:
'break' is a reserved keyword and cannot be used as an identifier.
Related Questions on Average

What is the naming convention that starts with a lowercase letter and each subsequent word starts with a capital letter?

A). camelCase

B). Snake_Case

C). kebab-case

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Which of the following is a valid JavaScript function name?

A). function 1

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C). function()

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Which of the following is a valid JavaScript variable name?

A). $varName

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C).

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A). UPPERCASE

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Which of the following is not a valid identifier naming convention?

A). camelCase

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C). dash-case

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What is the role of reserved keywords in JavaScript identifiers?

A). Can be used as identifiers without issues

B). Cannot be used as identifiers

C). Enhance code performance

D). Ensure code security

What is the significance of using meaningful names for identifiers?

A). Improve code efficiency

B). Make the code shorter

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What is the correct way to represent a constant in JavaScript?

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