Applying Behaviors with JS Mixins in Polymer 2

Question

I want a custom element I\'m defining to have the Polymer.IronScrollTargetBehavior in Polymer 2.

In Polymer 1, this can be done by adding it to the

Answer 1

You can use the Polymer 2 hybrid behaviours as mixins by extending Polymer.mixinBehaviors(behaviors, klass) where
- behaviors is the Behavior object or array of behaviors
- klass is the Element class.

i.e.

For more detailed information search the Polymer source code for mixinBehaviors method: polymer/lib/legacy/class.html

worth reading: https://www.polymer-project.org/2.0/docs/upgrade#mixins