SO-ember-js-form-retains-old-values-38291176

components.new-card-form.js

import Ember from 'ember';

export default Ember.Component.extend({
  model: null,
  actions: {
    save(){
      alert(`${this.get('model.title')} -- ${this.get('model.description')}`);
    },
    cancel(){
    }
  }
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle'
});

controllers.card.new.js

import Ember from 'ember';

export default Ember.Controller.extend({
});

models.card.js

import Model from "ember-data/model";
import attr from "ember-data/attr";
import { belongsTo, hasMany } from "ember-data/relationships";

export default Model.extend({
  title: attr('string'),
  description: attr('string')
});

router.js

import Ember from 'ember';
import config from './config/environment';

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

Router.map(function() {
  this.route('card', function(){
    this.route('new');
  });
});

export default Router;

routes.card.new.js

import Ember from 'ember';

export default Ember.Route.extend({
  model(){
    return this.get('store').createRecord('card');
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
{{#link-to 'card.new'}}New Card{{/link-to}}
<br>
<br>

templates.card.new.hbs

{{new-card-form model=model}}

templates.components.new-card-form.hbs

<form>
  <fieldset class="form-group">
    <label for="card-title">Card Title</label>
    {{input type="text" value=model.title class="form-control" id="card-title" placeholder="Enter the title of the card"}}
    <small class="text-muted">Give your card a nice title</small>
  </fieldset>

  <fieldset class="form-group">
    <label for="card-description">Card Description</label>
    {{textarea value=model.description class="form-control" id="card-description" rows="3"}}
    <small class="text-muted">Describe your card</small>
  </fieldset>

  <div class="btn-group" role="group" aria-label="Save or Cancel your card">
    <button {{action 'save'}} class="btn btn-secondary">Save</button>
    <button {{action 'cancel'}} class="btn btn-danger">Cancel</button>
  </div>
</form>

twiddle.json

{
  "version": "0.10.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.6.0",
    "ember-data": "2.6.1",
    "ember-template-compiler": "2.6.0"
  },
  "addons": {}
}