Which of the following is a valid JavaScript function name?

Which of the following file extensions is commonly used for JavaScript files?

A). JavaScriptIdentifiers.docx

B). JavaScriptIdentifiers.java

C). JavaScriptIdentifiers.js

D). JavaScriptIdentifiers.html

What is the best practice for naming JavaScript identifiers?

A). Use short and cryptic names

B). Use meaningful and descriptive names

C). Use reserved keywords as identifiers

D). Use Unicode characters in identifiers

Which of the following is not a valid JavaScript identifier?

A). first_name

B). $2users

C). break

D). myVar

Which of the following is not a valid JavaScript identifier?

A). my_var

B). $amount

C). const

D). variable1

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

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

A). CONSTANT_VALUE

B). constantValue

C). const_value

D). ConstValue

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

A). improveCode

B). Improve-Code

C). IMPROVECODE

D). improve_code

Which naming convention uses hyphens to separate words?

A). CamelCase

B). snake_case

C). Kebab-Case

D). PascalCase

Which of the following is a valid JavaScript variable name?

A). $varName

B). first_name

C).

D). _variable

Which naming convention separates words with underscores?

A). camelCase

B). PascalCase

C). snake_case

D). kebab-case