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

Which of the following is not a valid JavaScript identifier?

A). my_var

B). $amount

C). const

D). variable1

Which of the following is a valid JavaScript function name?

A). function 1

B). function_name

C). function()

D). $function

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 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 spelling for the naming convention starting with uppercase for each word?

A). Pascal_Case

B). pascalcase

C). pascalCase

D). PascalCase

Which of the following is a valid JavaScript identifier?

A). user-name

B). 2users

C). _user

D). user name

Which of the following is not a valid JavaScript identifier?

A). first_name

B). $2users

C). break

D). myVar

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 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 type of case conversion is commonly used for naming variables in JavaScript?

A). UPPERCASE

B). lowercase

C). camelCase

D). kebab-case