Answer & Solution
Answer: Option B
Solution:
The temporal dead zone is the time between entering the block where the variable is defined and the point where the variable is declared.
Q
What is the temporal dead zone in ES6?
Related Questions on Average
Can const be used for objects and arrays?
A). No
B). Yes
C). Only for arrays
D). Only for objects
Can a let variable be redeclared in the same scope?
A). Yes
B). No
C). Only if it is a string
D). Only if it is a number
Can a const variable be declared without an initial value?
A). Yes
B). No
C). Only in strict mode
D). Only if it is an object
What error will the following code produce: const PI; PI = 3.14;?
A). SyntaxError
B). TypeError
C). ReferenceError
D). No error
What is the value of a const variable once it is assigned?
A). Can be changed later
B). Cannot be changed later
C). Depends on the data type
D). Undefined initially
What will the following code output: { let y = 5; { let y = 10; console.log(y); } }?
A). 5
B). 10
C). undefined
D). ReferenceError
What is the output of the following code: let z = 3; z = 5; console.log(z);?
A). 3
B). 5
C). undefined
D). ReferenceError
What will be the output of the following code: let x = 10; { let x = 20; } console.log(x);?
A). 10
B). 20
C). undefined
D). ReferenceError
Which keyword is used to declare a read-only named constant?
A). let
B). var
C). const
D). static
What is the primary difference between var and let?
A). Scope
B). Initialization
C). Data type
D). Assignment