What is the output of the following code snippet?

How can you avoid accidentally redeclaring variables in JavaScript?

A). A. Always use var for variable declarations

B). B. Use meaningful variable names to avoid conflicts

C). C. Declare variables once and avoid redeclaration

D). D. Use let or const for variable declarations within the same scope

Which keyword should you use to avoid redeclaring variables in JavaScript?

A). A. var

B). B. let

C). C. const

D). D. Both B and C

Which keyword allows redeclaring variables in JavaScript?

A). A. let

B). B. var

C). C. const

D). D. Both A and C

How can you handle cases where you accidentally redeclare a variable in JavaScript?

A). A. Use var for all variable declarations

B). B. Use meaningful variable names to avoid conflicts

C). C. Use let or const for variable declarations within the same scope

D). D. Both B and C

What is the scope of a redeclared variable in JavaScript with let or const?

A). A. Global scope

B). B. Function scope

C). C. Block scope

D). D. Module scope

What is the scope of a redeclared variable in JavaScript with var?

A). A. Global scope

B). B. Function scope

C). C. Block scope

D). D. Module scope

What is the behavior of a redeclared variable in JavaScript with let or const within nested scopes?

A). A. It inherits the value from the outer scope

B). B. It retains its original value within the nested scope

C). C. It throws an error

D). D. It becomes undefined

What is the behavior of a redeclared variable in JavaScript with const?

A). A. It retains its original value

B). B. It becomes undefined

C). C. It throws a SyntaxError

D). D. It inherits the value from the outer scope

Which keyword allows variable redeclaration in JavaScript?

A). A. var

B). B. let

C). C. const

D). D. none of the above

What is the behavior of a redeclared variable in JavaScript?

A). A. It retains its original value

B). B. It retains its last assigned value

C). C. It becomes undefined

D). D. It throws an error