Check value fields that if the same empty value in last field?
<p>I have several field that just get number, I want if user typed be identical value in two or more field empty value the last field that is identical by jQuery.keyup?</p>

<p>For Example:</p>

<pre><code>&lt;input name="num[]" value="11111"&gt;
&lt;input name="num[]" value="33333"&gt;
&lt;input name="num[]" value="11111"&gt; // in this input should empty value it.
</code></pre>

<p>How can fix it?</p>
