Answer & Solution
Answer: Option C
Solution:
'break' is a reserved keyword and cannot be used as an identifier.
Q
Which of the following is not a valid JavaScript identifier?
Related Questions on Average
Which of the following is a valid JavaScript variable name?
A). $varName
B). first_name
C).
D). _variable
What is the correct way to represent a constant in JavaScript?
A). CONSTANT_VALUE
B). constantValue
C). const_value
D). ConstValue
Which of the following is a valid JavaScript function name?
A). function 1
B). function_name
C). function()
D). $function
Which of the following is not a valid identifier naming convention?
A). camelCase
B). snake_case
C). dash-case
D). PascalCase
Which of the following is not a valid JavaScript variable name?
A). $varName
B). first_name
C).
D). _variable
What is the purpose of following naming conventions for identifiers?
A). Improve code performance
B). Enhance code readability and maintainability
C). Ensure cross-browser compatibility
D). Reduce code size
Which naming convention separates words with underscores?
A). camelCase
B). PascalCase
C). snake_case
D). kebab-case
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
D). PascalCase
What is the correct spelling for the naming convention starting with uppercase for each word?
A). Pascal_Case
B). pascalcase
C). pascalCase
D). PascalCase
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