ibutes. 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">incrementProperty</span><span class="token punctuation">(</span><span class="token string">'age'</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// Happy birthday!</span>
<spa