Actions

application.controller.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName:'Ember 2.0'
});

application.template.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
{{single-post}}
<br>
<br>

single-post.component.js

import Ember from 'ember';

export default Ember.Component.extend({
  isShowingBody: false,
  isFavorite: false,
  favoriteBand: null,
  body: 'Ember is fast and furious',
  actions: {
    toggleBody() {
      this.toggleProperty('isShowingBody');
    },
    select(value) {
    	this.set('isFavorite', value);
    },
    bandDidChange(value){     
      this.set('favoriteBand', value);
    },
    save(){
    	alert('Your favorite band is saved: '+this.get('favoriteBand'));
    }
  }
});

single-post.template.hbs

<h3 {{action "toggleBody"}}>
	{{if isFavorite '**' ''}}Ember is Awsome - 
	{{if isShowingBody 'hide' 'show'}}
</h3>
{{#if isShowingBody}}
  <p>{{{body}}}</p>
{{/if}}

{{!Action Parameters}}
<button {{action "select" true}}>✓</button> 
<button {{action "select" false}}>x</button> 

{{!Specifying the Type of Event}}
<form {{action 'save' on='submit'}}>
  <label>What's your favorite band?</label>
  <input type="text" value={{favoriteBand}} onblur={{action "bandDidChange" value="target.value"}} />
  {{!input type='text' value=favoriteBand}}
  {{favoriteBand}}
  <button type="submit">save</button>
</form>

twiddle.json

{
  "version": "0.5.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.2.0/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.2.0/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.2.0/ember-template-compiler.js"
  }
}