What is the purpose of function scope in JavaScript?
A). To limit the visibility of variables
B). To make variables global
C). To create constants
D). To execute functions
What is hoisting in JavaScript?
A). Moving variables to the top of their function or global scope
B). Making variables undefined
C). Creating new variables
D). None of the above
What is block scope in JavaScript?
A). Variables scoped to a block
B). Variables scoped to a function
C). Variables scoped globally
D). Variables scoped locally
What is the difference between let and var in terms of function scope?
A). let is block-scoped, var is function-scoped
B). let is function-scoped, var is block-scoped
C). They are both block-scoped
D). They are both function-scoped
How do you declare a function-scoped variable using ES6?
A). var
B). let
C). const
D). function
What is function scope in JavaScript?
A). Variables defined within a function
B). Variables defined outside a function
C). Variables defined within an object
D). Variables defined globally
Which keyword is used to declare a function-scoped variable?
A). var
B). let
C). const
D). function
How can you access a variable declared in an inner block from an outer block?
A). Using the var keyword
B). Using the let keyword
C). Using the const keyword
D). Using the this keyword
How do you declare a block-scoped variable in ES6?
A). var
B). let
C). const
D). function
What is lexical scoping in JavaScript?
A). Variables scoped to the entire codebase
B). Variables scoped to their functions
C). Variables scoped based on their position in the code
D). Variables scoped based on their names