Join egghead, unlock knowledge.

Want more egghead?

This lesson is for members. Join us? Get access to all 3,000+ tutorials + a community with expert developers around the world.

Unlock This Lesson
Become a member
to unlock all features

Level Up!

Access all courses & lessons on egghead today and lock-in your price for life.


    Understand JavaScripts this keyword within Prototypes


    It may be confusing to understand how the this keyword is used when accessing a method through the prototype chain. For example if one object has a method with this used and is called through a linked object, what is the context? We’ll play around with this usage and show when context changes.