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
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
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
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 function names are considered identical in JavaScript?
A). myFunction and MyFunction
B). myfunction and myFunction
C). myFunction and myfunction
D). None 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
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 should constants be declared to avoid confusion with variable names?
A). UPPERCASE
B). lowercase
C). camelCase
D). snake_case
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
How does JavaScript treat 'Function()' and 'function()'?
A). As the same function
B). As different functions
C). As a syntax error
D). As a reserved keyword
What is the significance of case sensitivity in JavaScript?
A). Enhances code readability
B). Reduces code size
C). Improves performance
D). Differentiates identifiers