17. **[Dziedziczenie Prototypowe i Łańcuch Prototypów](#17-prototype-inheritance-and-prototype-chain)** 18. **[Object.create i Object.assign](#18-objectcreate-and-objectassign)** 6. **[Function Scope, Block Scope and Lexical Scope](#6-function-scope-block-scope-and-lexical-scope)...