component.js

import Ember from 'ember';
const {get} = Ember

export default Ember.Component.extend({
  clicked() {
      console.log(this)
      // this.clicked results in: this === Class
      // get(this, 'clicked')()  resuls in:  this === undefined
      // this.get('clicked')() results in: this === undefined
  },

  actions: {
    onClick() { //captures a button click
      console.log('this.clicked')
      this.clicked()
      console.log('get(this, "clicked")')
      get(this, 'clicked')()
      console.log('this.get("clicked")')
      this.get('clicked')()
    }
  }
});