Modern Web Design with HTML5, CSS3, and JavaScript - Creating JavaScript Prototypes

The video tutorial explains the concept of prototypes in JavaScript, highlighting how they are used in object constructors and the prototype chain. It demonstrates creating a person object with a prototype to generate a full name. The tutorial also shows how to use the prototype to construct objects and extends the Date object with a prototype to add days, illustrating the practical application of prototypes in JavaScript.

What is the significance of the 'this' keyword when creating an object?

Describe how to attach prototypes to existing objects in JavaScript.

How can you add days to a date object using a prototype function?