Use OR `||` between two string
<p>I want use or between two string as <code>or</code>, but it don't work for me, What do i do?</p>

<p><strong>DEMO:</strong> <a href="http://jsfiddle.net/NP8E3/" rel="nofollow">http://jsfiddle.net/NP8E3/</a></p>

<pre><code>&lt;input type="checkbox" id="DA"&gt;
&lt;input type="checkbox" id="DE"&gt;

$('#DA'+ OR +'#DE').live('click', function () {
    alert('ok');
})​
</code></pre>
