9></a></span></code></pre></div>
<p>Here, the dependent key <code>todos.@each.isDone</code> instructs Ember.js to update bindings
and fire observers when any of the following events occurs:</p>
<ol>
<li>The <code>todos</code> property of the component is changed to a different array.</li>
<li>An item is added to the <code>todos</code> array.</li>
<li>An item is removed from the <code>todos</code> array.</li>
<li>An item is replaced in the <code>todos</code> array.</li>
<li>The <code>isDone</code> property o