<span aria-hidden="true" class="line-numbers-rows"><a href="#C1_L1" id=C1_L1></a><a href="#C1_L2" id=C1_L2></a><a href="#C1_L3" id=C1_L3></a></span></code></pre>
<p>All of the Ember.js conveniences are available for
modifying attributes. For example, you can use <code>Ember.Object</code>'s
<code>incrementProperty</code> helper:</p>
<pre class="language-javascript line-numbers"><code class="javascript language-javascript">person<span class="token punctuation">.</span><span class="token function">incrementPro