Super in Event Handlers

controllers.application\.js

import Controller from '@ember/controller';

export default Controller.extend({})

controllers.index\.js

import Controller from '@ember/controller';

const BaseController = Controller.extend({
  actions: {
    error: function(person){
      window.alert('alert from BaseController: ' + person.lastName + ', ' + person.firstName);
    }
  }
})

export default BaseController.extend({
  actions: {
    error: function(person){
      this._super(person);
      window.alert('alert from ApplicationController: ' + person.lastName + ', ' + person.firstName);
    }
  }
})

router\.js

import EmberRouter from '@ember/routing/router';
import config from './config/environment';

const Router = EmberRouter.extend({
  location: 'none',
  rootURL: config.rootURL
});

Router.map(function() {
  this.route('index', { path: '/' });
});

export default Router;

routes.index\.js

import Route from '@ember/routing/route';

export default Route.extend({
  model: function(){
    return {
      names: [
        {firstName: 'Kris', lastName: 'Selden'},
        {firstName: 'Luke', lastName: 'Melia'},
        {firstName: 'Formerly Alex', lastName: 'Matchneer'}
      ]
    }
  }
});

templates.application\.hbs

    <h1>ember-latest jsfiddle</h1>
    {{outlet}}

templates.index\.hbs

<button onclick={{action "nameAlert"}}>
	Click me
</button>
<h2>Click a name:</h2>
<ul>
{{#each names as |name|}}
    <li>{{name.firstName}} {{name.lastName}}</li>
{{/each}}
</ul>

twiddle\.json

{
  "version": "0.17.1",
  "EmberENV": {
    "FEATURES": {},
    "_TEMPLATE_ONLY_GLIMMER_COMPONENTS": false,
    "_APPLICATION_TEMPLATE_WRAPPER": true,
    "_JQUERY_INTEGRATION": true
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.js",
    "ember": "3.8.3",
    "ember-template-compiler": "3.8.3",
    "ember-testing": "3.8.3"
  }
}