Please see my other JavaScript articles.

Incorporating OOP into JavaScript for reusable logic.

Though many programmers focus their OOP skills in C# while designing logic interfaces and classes, it’s just as important to do so when creating presentation-layer logic so that the code may be easily reusable.
Below are examples of functions in JavaScript.

This illustrates two objects being created using constructor functions, literal syntax, added the values from the two objects to the third object, then writing the results

This illustrates assigning a function to another variable, then calling that variable.

This illustrates using a function as a class method.

This illustrates using several different objects’ methods that work in conjunction with each other — like overloading.