Что такое временная мертвая зона
What is the Temporal Dead Zone?
This is what the TDZ is: the term to describe the state where variables are
un-reachable. They are in scope, but they aren't declared.
The let and const variables exist in the TDZ from the start of their enclosing
scope until they are declared.
You could also say that the variables exist in the TDZ from the place they get
bound (when the variable gets bound to the scope it's inside) until it is
declared (when a name is reserved in memory for that variable).
Shrey A
