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

Answer & Solution

Answer: Option A
Solution:
Constants are usually declared in UPPERCASE to distinguish them from variable names.
Related Questions on Average

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

What will be the output of the following code? let name = 'Alice'; let Name = 'Bob'; console.log(name, Name);

A). Alice Bob

B). Bob Alice

C). Alice Alice

D). Bob Bob

What is the recommended naming convention for JavaScript functions?

A). camelCase

B). UPPERCASE

C). snake_case

D). PascalCase

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

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

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

Is 'myfunction' the same as 'myFunction' in JavaScript?

A). Yes

B). No

C). Only in strict mode

D). Only in non-strict mode

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

How does JavaScript interpret the following? let varName = 5; let VarName = 10; console.log(varName, VarName);

A). 5 5

B). 10 10

C). 5 10

D). 10 5

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