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 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 is the significance of case sensitivity in JavaScript?
A). Enhances code readability
B). Reduces code size
C). Improves performance
D). Differentiates identifiers
Is 'myfunction' the same as 'myFunction' in JavaScript?
A). Yes
B). No
C). Only in strict mode
D). Only in non-strict mode
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 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 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 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
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
What is the recommended naming convention for JavaScript functions?
A). camelCase
B). UPPERCASE
C). snake_case
D). PascalCase