Q
What does the term 'case-sensitive' mean for identifiers in JavaScript?

Answer & Solution

Answer: Option D
Solution:
JavaScript identifiers distinguish between uppercase and lowercase letters.
Related Questions on Average

Which of the following is not a valid JavaScript variable name?

A). $varName

B). first_name

C).

D). _variable

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 a valid JavaScript variable name?

A). $varName

B). first_name

C).

D). _variable

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

Which of the following is a valid JavaScript identifier?

A). user-name

B). 2users

C). _user

D). user name

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

A). UPPERCASE

B). lowercase

C). camelCase

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 naming convention separates words with underscores?

A). camelCase

B). PascalCase

C). snake_case

D). kebab-case

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 of the following is a valid JavaScript function name?

A). function 1

B). function_name

C). function()

D). $function