Can JavaScript variables 'example' and 'Example' be declared in the same scope?

Which of the following will create a case sensitivity error in JavaScript?

A). let firstName = 'John'; let firstname = 'Doe';

B). let FirstName = 'John'; let firstName = 'Doe';

C). let firstName = 'John'; let Firstname = 'Doe';

D). None of the above

How does JavaScript differentiate between 'myFunction()' and 'myfunction()'?

A). As the same function

B). As different functions

C). As a syntax error

D). As a reserved keyword

Which of the following statements is true about case sensitivity in JavaScript?

A). Variable names are case-insensitive

B). Function names are case-insensitive

C). Identifiers are case-sensitive

D). All of the above

In JavaScript, is 'myVariable' the same as 'myvariable'?

A). Yes

B). No

C). Depends on the context

D). Only in strict mode

Which of the following function names are considered identical in JavaScript?

A). myFunction and MyFunction

B). myfunction and myFunction

C). myFunction and myfunction

D). None of the above

Can a function and a variable have the same name with different cases in JavaScript?

A). Yes

B). No

C). Only in strict mode

D). Only in non-strict mode

What is the best practice for naming variables to avoid issues with case sensitivity?

A). Use only lowercase

B). Use only UPPERCASE

C). Use consistent case conventions

D). Use special characters

What is the recommended naming convention for JavaScript functions?

A). camelCase

B). UPPERCASE

C). snake_case

D). PascalCase

How should constants be declared to avoid confusion with variable names?

A). UPPERCASE

B). lowercase

C). camelCase

D). snake_case

How does JavaScript differentiate between 'myVar' and 'MyVar'?

A). It doesn't, both are the same

B). It treats them as different variables

C). It throws an error

D). None of the above