JavaScript : Prototype-Based Programming

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In this lesson of the JavaScript tutorial, you will learn...

1. The differences between class-based and prototype-based programming
2. To construct objects from other objects
3. How JavaScript accomplishes inheritance
4. To define constructor functions
5. How JavaScript resolves object members
6. The prototype object   

Software developers that work with Object Oriented programming languages are familiar with the concept of classes. As it turns out, that's common but it's not the only way to accomplish object orientation and the JavaScript language designers chose not to use the most common one.
In this lesson we will understand how JavaScript implements inheritance and how we can use it to build rich object hierarchies.  more...