What is the purpose of following naming conventions for identifiers?

Which of the following is a valid JavaScript variable name?

A). $varName

B). first_name

C).

D). _variable

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

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

A). improveCode

B). Improve-Code

C). IMPROVECODE

D). improve_code

What is the correct spelling for the naming convention starting with uppercase for each word?

A). Pascal_Case

B). pascalcase

C). pascalCase

D). PascalCase

Which naming convention uses hyphens to separate words?

A). CamelCase

B). snake_case

C). Kebab-Case

D). PascalCase

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 identifier?

A). user-name

B). 2users

C). _user

D). user 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

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 identifier?

A). first_name

B). $2users

C). break

D). myVar