Cards List w/ Dismiss Action

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  actions: {
    removeCard( card ) {
      let cards = this.get('model');
      cards.removeObject( card );
    }
  }
});

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  model() {
  	return [{
    	title: "Card 1",
   	  content: "This is the first card."
 	 	}, {
    	title: "Card 2",
    	content: "Foo bar baz quux"
  	}, {
    	title: "Card 3",
    	content: "Lorem ipsum dolar"
  	}];
  }
});

templates.application.hbs

<h3>Cards List w/ Dismiss Action</h3>
<h5>Number of cards: {{model.length}}</h5>
<br>

{{#each model as |card|}}
  {{#mdl-card title=card.title}}
    <div class="mdl-card__supporting-text">
      {{card.content}}
    </div>
    {{#mdl-card-actions}}
      {{mdl-button text='Dismiss' on-click=(action "removeCard" card)}}
    {{/mdl-card-actions}}
  {{/mdl-card}}
  <br>
{{/each}}

twiddle.json

{
  "version": "0.8.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "addons": {
  	"ember-material-lite": "latest"
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.5.1",
    "ember-data": "2.5.2",
    "ember-template-compiler": "2.5.1"
  }
}