ria with <a href="api/ng/directive/ngDisabled">ngDisabled</a> will also
add <code>aria-disabled</code>. This tells assistive technologies when a non-native input is disabled, helping
custom controls to be more accessible.</p>
<h3 id="example">Example</h3>
<pre><code class="lang-html">&lt;md-checkbox ng-disabled=&quot;disabled&quot;&gt;&lt;/md-checkbox&gt;
</code></pre>
<p>Becomes:</p>
<pre><code class="lang-html">&lt;md-checkbox disabled aria-disabled=&quot;true&quot;&gt;&lt;/md-checkbox&gt;
</code></pre>
<