An array is a fundamental data structure found in nearly every programming language. It's a contiguous block of memory that stores a collection of elements of the same data type (e.g., numbers, ...

With tuples, we can easily construct special kinds of arrays, where elements are of fixed types with respect to an index or position. Tuples extend the capabilities of the array data type. With tuples ...

When classes are more structure than you need, tuples let you specify simple type-safe aggregates of other data types. They'll also let you create a dictionary collection…but it won't be type-safe. In ...

Note: Try these short programs to get some firsthand experience with TypeScript and Node.js. You might want to create a new folder for each exercise to keep them organized. Create a single Github ...