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

Answer & Solution

Answer: Option D
Solution:
All examples are valid declarations but they refer to different variables due to case sensitivity.
Related Questions on Average

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

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 happens if you try to declare two variables with the same name but different cases?

A). Error

B). Both are declared

C). Only one is declared

D). None of the above

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

What is the effect of case sensitivity on debugging JavaScript code?

A). No effect

B). Makes it easier

C). Makes it harder

D). No significant impact

Which of the following is a correct variable declaration in JavaScript?

A). var Variable = 1;

B). var variable = 1;

C). Both A and B

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

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