How to add separator to each item in for loop expect last one
<p>In the loop below, how can I remove the comma from the latt key in the loop?</p>

<pre><code>var result = 'These are the results: ';
jQuery.each(item['keyterms']['terms'],function(i,kw){
for (key in keywords){
sep = ',';
    if (keywords[key] &gt; 5) result += '&lt;span&gt;' + key + sep + '&lt;/span&gt;';
}}
</code></pre>
