f="#C1_L17" id=C1_L17></a><a href="#C1_L18" id=C1_L18></a></span></code></pre></div>
<p>The dependent key <code>todos.[]</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>
</