Customizing a Component's Element
By default, each component is backed by a <div> element. If you were to look at a rendered component in your developer tools, you would see a DOM representation that looked something like:
<div id="ember180" class="ember-view">
<h1>My Component</h1>
</div>
You can customize what type of element Ember generates for your component, including its attributes and class names, by creating a subclass of Ember.Component in your JavaSc