Actions

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',

  value: 0,

  actions: {
    incrementValue(arg) {
      this.incrementProperty('value');
      console.log('the arg is', arg);
    }
  }
});

styles.app.css

body {
  margin: 12px 16px;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 12pt;
}

input {
  display: block;
  margin: 20px;
}

templates.application.hbs

<p>The value is {{value}}</p>

<hr>

<label>Attribute context</label>
<input onkeyup={{action "incrementValue"}}>

<label>Handlebars value context</label>
{{input key-up="incrementValue"}}

{{input key-up=(action "incrementValue")}}


<label>Element space</label>
<input {{action "incrementValue" on="keyUp"}}>

twiddle.json

{
  "version": "0.11.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.10.2",
    "ember-data": "2.11.0",
    "ember-template-compiler": "2.10.2",
    "ember-testing": "2.10.2"
  },
  "addons": {}
}