Answer & Solution
Answer: Option D
Solution:
All examples are valid declarations but they refer to different variables due to case sensitivity.
Q
Which of the following will create a case sensitivity error in JavaScript?
Related Questions on Average
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
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
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
What is the significance of case sensitivity in JavaScript?
A). Enhances code readability
B). Reduces code size
C). Improves performance
D). Differentiates identifiers
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
What is the recommended naming convention for JavaScript functions?
A). camelCase
B). UPPERCASE
C). snake_case
D). PascalCase
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
How will JavaScript handle 'VarName' and 'varName' in the same scope?
A). Treat as the same
B). Treat as different
C). Throw an error
D). Ignore one
How should constants be declared to avoid confusion with variable names?
A). UPPERCASE
B). lowercase
C). camelCase
D). snake_case
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