ember-attacher

controllers.application.js

import Ember from 'ember';

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

templates.application.hbs

<button id="target">
	Hover in/out to show/hide tooltip
  
  {{#ember-attacher class='ember-attacher-popper ember-attacher-tooltip'}}
		First tooltip
  {{/ember-attacher}}
</button>

<button id="target">
	Click to show/hide tooltip
  
  {{#ember-attacher class='ember-attacher-popper ember-attacher-tooltip'
  								  hideOn='click'
                    showOn='click'}}
		Second tooltip
  {{/ember-attacher}}
</button>

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-attacher": "0.10.3"
  }
}