gokatz

import Controller from '@ember/controller';
import { action } from '@ember/object';
import { inject as service } from '@ember/service';

export default class ApplicationController extends Controller {
  appName = 'Ember Twiddle';
  @service fetch;
 
		@action async formSave(input) {
      const url = 'https://ember-twiddle.com/test';

gokatz

import Controller from '@ember/controller';

// let OuterClass=Em.Object.extend()
// OuterClass.a=1
// OuterClass.reopenClass({b:2})
// let InnerClass=OuterClass.extend()

// console.log(OuterClass.a, OuterClass.b, InnerClass.a, InnerClass.b);
let App = {};

gokatz

import Controller from '@ember/controller';
import Obj from 'twiddle/model';

console.log('Cont', Obj, Obj.classProp); 

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

	setA() {
  	Obj.classProp = 'x';

gokatz

import Controller from '@ember/controller';
import { inject as service } from '@ember/service';

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

	@service
	myService;
}

gokatz

import Component from '@glimmer/component';

export default class extends Component {
}

gokatz

import Controller from '@ember/controller';

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

gokatz

import Controller from '@ember/controller';
import { tracked } from '@glimmer/tracking';
import { action } from '@ember/object';

class People {
  constructor(name, age) {
  	this.name = name;
    this.age = age;
  }
  

gokatz

import Controller from '@ember/controller';

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

gokatz

import Controller from '@ember/controller';

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

	
}

gokatz

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

export default class ApplicationController extends Controller {
  appName = 'Ember Twiddle';
	
	address = tracked({ city: 'Chennai' });