How does hoisting affect const declarations in JavaScript?

What is the output of the following code snippet?

A). A. TypeError

B). B. 10

C). C. undefined

D). D. SyntaxError

What is the behavior of accessing a var variable within a block before its declaration in JavaScript?

A). A. ReferenceError is thrown

B). B. SyntaxError is thrown

C). C. undefined is printed

D). D. No error

What is the behavior of accessing a const variable within a function before its declaration in JavaScript?

A). A. ReferenceError is thrown

B). B. SyntaxError is thrown

C). C. undefined is printed

D). D. No error

How can you avoid issues related to hoisting and TDZ in JavaScript?

A). A. Always declare variables at the bottom of the code

B). B. Use var for all variable declarations

C). C. Declare variables with let or const and avoid accessing them early

D). D. None of the above

What happens if you access a var variable before its declaration in JavaScript?

A). A. ReferenceError

B). B. TypeError

C). C. undefined

D). D. No error

Which keyword allows hoisting of variables in JavaScript?

A). A. var

B). B. let

C). C. const

D). D. Both A and B

What happens if you try to reassign a const variable in JavaScript?

A). A. No effect on the variable

B). B. SyntaxError is thrown

C). C. ReferenceError is thrown

D). D. TypeError is thrown

What is the behavior of accessing a let variable before its declaration in JavaScript?

A). A. SyntaxError

B). B. ReferenceError

C). C. undefined

D). D. No error

What is the behavior of accessing a const variable before its declaration in a nested block in JavaScript?

A). A. ReferenceError is thrown

B). B. SyntaxError is thrown

C). C. undefined is printed

D). D. No error

What happens if you declare a const variable with the same name as an existing variable in JavaScript?

A). A. SyntaxError is thrown

B). B. The existing variable is reassigned

C). C. ReferenceError is thrown

D). D. TypeError is thrown