NullVoxPopuli

import Controller from '@ember/controller';

export default class ApplicationController extends Controller {
  appName = 'Ember Twiddle';
}

NullVoxPopuli

import Controller from '@ember/controller';

export default class ApplicationController extends Controller {
  appName = 'Ember Twiddle';
  queryParams = ['foo'];
}

NullVoxPopuli

import Controller from '@ember/controller';
import EmberObject, { computed } from '@ember/object';

const MyObject = EmberObject.extend({
  prop: computed(function() {}),
});

class Foo {
  // getters are not enumerable!, but properties are
   get prop() {

NullVoxPopuli

import Controller from '@ember/controller';


export default class ApplicationController extends Controller {
  appName = 'Ember Twiddle';

	constructor() {
    super(...arguments);
    
    console.log('initial', this.thePojo);

NullVoxPopuli

import Component from '@glimmer/component';
import { setComponentTemplate } from '@ember/component';
import { hbs } from 'ember-cli-htmlbars';

export default setComponentTemplate(
  hbs`
    {{yield this.existingData this.emptyData}}
  `,
  class DataProvider extends Component {
    get emptyData() {}

NullVoxPopuli

import Controller from '@ember/controller';

export default class ApplicationController extends Controller {
  appName = 'Ember Twiddle';
}

NullVoxPopuli

Routing Info:
<dl>
	<dt>currentURL</dt>
	<dd>{{this.router.currentURL}}</dd>
  
  <dt>currentRoute</dt>
  <dd>{{this.router.currentRouteName}}</dd>

</dl>

NullVoxPopuli

import Component from '@glimmer/component';
import {tracked} from "@glimmer/tracking";

export default class extends Component {
  @tracked name;
  
  constructor (...args){
    super(...args);
    
    this.name = "foo";

NullVoxPopuli

import Controller from '@ember/controller';
import { action } from '@ember/object';
import { tracked } from 'tracked-built-ins';

export default class ApplicationController extends Controller {
  @tracked myArray = tracked([]);

  @action pushNum() {
    let num = Math.random();
  

NullVoxPopuli

import Controller from '@ember/controller';
import { task } from 'ember-concurrency-decorators';

export default class ApplicationController extends Controller {
  appName = 'Ember Twiddle';

  constructor() {
    super(...arguments);
    
    this.myTask.perform(0);