TypeScript 1.3 Protected Tuple types TypeScript 1.3 Protected The new protected modifier in classes works like it does in familiar languages like C++, C#, and Java. A protec...
TypeScript 2.0 Null- and undefined-aware types --strictNullChecks Example Assigned-before-use checking Example Optional parameters and properties Non-null and non-undefined...
TypeScript 4.2 Smarter Type Alias Preservation Leading/Middle Rest Elements in Tuple Types Stricter Checks For The in Operator --noPropertyAccessFromIndexSignature abstract ...