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Solution: Interfaces, Classes, Inheritance, and Modules

Explore solutions to common TypeScript challenges involving interfaces, classes, inheritance, and modules. Understand how to use the readonly modifier, extend interfaces from classes, and correctly import modules to write robust and error-free TypeScript code.

Solution: Using an interface

The hasProperty function takes two arguments:

  1. obj, which represents the object of type User.
  2. prop, which is the string representing the property to check for.

Inside the hasProperty function, we use the in operator to check if the given prop ...