Query Params Array

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  queryParams: ['filters'],
  appName:'Ember Twiddle',
  
  filters: [],
  newFilter: '',
  
  actions: {
  	addFilter: function () {
    	var newFilter = this.get('newFilter');
      this.get('filters').pushObject(newFilter);
      this.set('newFilter', '');
    },
    clearFilters: function() {
      this.set("filters", []);
    },
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<button {{action 'clearFilters'}}>Clear Filters</button>
<br>
<form {{action "addFilter" on="submit"}}>
   {{input value=newFilter}}
 </form>
   {{newFilter}}

twiddle.json

{
  "version": "0.4.8",
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/1.13.8/ember.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/1.13.9/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/1.13.8/ember-template-compiler.js"
  }
}