AngularJS Custom Directive Two Way Binding

Question

If I have an AngularJS directive without a template and I want it to set a property on the current scope, what is the best way to do it?

For example, a directive tha

Answer 1

Why is an isolate scope overkill? its pretty useful for exactly this kind of thing:

  scope: {
     "twoway": "=" // two way binding
  },

This is a pretty idiomatic angular solution to this problem, so this is what I'd stick with.