What happens if you declare a variable with the same name in both function and block scopes?

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

How do you declare a function-scoped variable using ES6?

A). var

B). let

C). const

D). function

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

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

How do you declare a block-scoped variable in ES6?

A). var

B). let

C). const

D). function

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 happens to a function-scoped variable outside of its function?

A). It becomes a global variable

B). It becomes a local variable

C). It is accessible only within the function

D). It throws an error

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

What is the output of console.log(blockVar); outside of a block if let blockVar = 'Block'; is defined inside a block?

A). Block

B). undefined

C). Error

D). null

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