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