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 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
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 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 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
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 should constants be declared to avoid confusion with variable names?
A). UPPERCASE
B). lowercase
C). camelCase
D). snake_case
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
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