Function Scope
↔ Variable access restrict to only inside function body.
aka Local-Scope
References
var
↔ JS Keyword to Declare mutable Variable with Function Scope{ var notPrivate = true }
↔ true. readable outside Block sincevar
is Function ScopedFunction EC
↔ EC for Function Scope code"noUnusedLocals": true
↔ to warn/throw when Function Scope Variable unused (inside function)