Let's continue building on our Events app by extending it a bit. I would like to add a Person model. An Event should have many people, and the attendeesCount property on the Event model should be a computed property that returns the length of the associated the people array.

Links and Interesting Stuff

• Ember Testing Guides
• Ember CLI Mirage Blog
• Rubyists Guide to Ember Dependencies by Michael Dupuis
• Ember at Netflix - Unfortunately, the addon that is being discussed is no longer usable, but the talk is still very interesting.
• bablejs - Babel is worth being familiar with - Ember-CLI uses Babel to allow developers to write ES2015 JavaScript. Their site also has a good section on ES2015 .
• Exploring ES6: Upgrade to the next version of JavaScript by Dr. Axel Rauschmayer - For a more thorough introduction to ES2015.
• To Attrs or Not to Attrs by Locks