todos</code> array.</li>
<li>An item is removed from the <code>todos</code> array.</li>
<li>The <code>todos</code> property of the component is changed to a different array.</li>
</ol>
<p>Ember also provides a computed property macro
<a href="https://api.emberjs.com/classes/Ember.computed.html#method_filterBy"><code>computed.filterBy</code></a>,
which is a shorter way of expressing the above computed property:</p>
<div class="filename javascript"><div class="ribbon"></div><span>app/components/todo-list.js</