Model Defaults and Events

Using model defaults

What do we do if our contact doesn't have a first name? We don’t want our app to break if the firstName attribute is missing since the template would be trying to retrieve an attribute that doesn’t exist on the model.

How can we manage this case? The functionality we’re looking for are default values for model attributes.

To declare default attribute values, simply add a defaults object to the main object provided in our model definition: