Синтаксис списка параметров UniqueFormalParameters [Yield, Await] : FormalParameters [?Yield, ?Await] FormalParameters [Yield, Await] : [empty] FunctionRestParameter [?Yield, ?Await] FormalParameterList [?Yield, ?Await] FormalParameterList [?Yield, ?Await] , FormalParameterList [?Yield, ?Await] , FunctionRestParameter [?Yield, ?Await] FormalParameterList [Yield, Await] : FormalParameter [?Yield, ?Await] FormalParameterList [?Yield, ?Await] , FormalParameter [?Yield, ?Await] FunctionRestParameter [Yield, Await] : […]