Image Attribute Binding

controllers.application.js

import Ember from 'ember';

const DOGE = 'http://i0.kym-cdn.com/entries/icons/mobile/000/013/564/doge.jpg';
export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  DOGE
});

did-load.component.js

import Ember from 'ember';

export default Ember.Component.extend({
  tagName: '',
  didInsertElement() { 
    this.action();
  }
}).reopenClass({
  positionalParams: ['action']
});

did-load.template.hbs

{{yield}}

my-img.component.js

import Ember from 'ember';

export default Ember.Component.extend({
  tagName: 'img',
  
  attributeBindings: ['src', 'alt', 'onload', 'onerror']
});

my-img.template.hbs

{{yield}}

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>

<div>
  {{doge}}
  {{my-img src=DOGE onload=(action (mut doge) 'success')}}
</div>

twiddle.json

{
  "version": "0.14.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": true,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "2.18.2",
    "ember-template-compiler": "2.18.2",
    "ember-testing": "2.18.2"
  },
  "addons": {
    "ember-data": "2.18.2"
  }
}