What is the role of reserved keywords in JavaScript identifiers?

What is the correct way to represent the identifier 'improveCode' using camelCase?

A). improveCode

B). Improve-Code

C). IMPROVECODE

D). improve_code

Which of the following is not a valid JavaScript identifier?

A). my_var

B). $amount

C). const

D). variable1

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 correct way to represent a constant in JavaScript?

A). CONSTANT_VALUE

B). constantValue

C). const_value

D). ConstValue

Which naming convention uses hyphens to separate words?

A). CamelCase

B). snake_case

C). Kebab-Case

D). PascalCase

What is the significance of using meaningful names for identifiers?

A). Improve code efficiency

B). Make the code shorter

C). Enhance code readability

D). Ensure code security

Which naming convention separates words with underscores?

A). camelCase

B). PascalCase

C). snake_case

D). kebab-case

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 a valid JavaScript variable name?

A). $varName

B). first_name

C).

D). _variable

Which of the following is not a valid JavaScript identifier?

A). first_name

B). $2users

C). break

D). myVar