Which of the following keywords can be used to declare a block-scoped variable in JavaScript?
A). var
B). let
C). const
D). Both let and const
What is the difference in scope between variables declared with 'var' and 'let' in JavaScript loops?
A). var is block-scoped, let is function-scoped
B). var is function-scoped, let is block-scoped
C). var and let are both function-scoped
D). var and let are both block-scoped
In C, what is the scope of a variable declared inside a while loop?
A). Global
B). Local to the block
C). Local to the function
D). Local to the file
What happens to a variable declared inside a loop with 'var' in JavaScript after the loop ends?
A). It is destroyed
B). It is still accessible
C). It becomes undefined
D). It throws an error
What is the consequence of using a variable declared with 'const' inside a loop in JavaScript?
A). It can be reassigned
B). It cannot be reassigned
C). It can be redeclared
D). It is hoisted
In C#, what is the scope of a variable declared inside a foreach loop?
A). Block-scoped
B). Global-scoped
C). Function-scoped
D). Loop-scoped
In which scenario is a variable declared inside a loop inaccessible outside of it?
A). When using var in JavaScript
B). When using let in JavaScript
C). When using global in Python
D). When using static in C++
In JavaScript, which of the following creates a block-scoped variable within a loop?
A). var
B). let
C). const
D). Both let and const
In Python, what happens to a variable declared inside a loop after the loop terminates?
A). It gets destroyed
B). It is still accessible
C). It becomes global
D). It gets re-initialized
Which of the following is true about variables declared with 'let' inside a loop in JavaScript?
A). They are accessible globally
B). They are hoisted to the top
C). They are block-scoped
D). They can be accessed outside the loop