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 Declared Property Basics in Polymer

    1.2 - 1.11

    We can declare properties on our custom element which serve as a public api configurable by any user from markup.