 <p>like this:</p> <pre><code>&lt;select id="mySelectTV"&gt;&lt;option&gt;tv&lt;/option&gt;&lt;/select&gt; //parent &lt;select&gt;&lt;option&gt;model&lt;/option&gt;&lt;/select&gt; //sub select var x = document.getElementById("mySelectTV"); var option = document.createElement("option"); option.text = "music chanel"; x.add(option); </code></pre> <p>OR using loop</p> <pre><code>var chanels = ['chanel 1', 'chanel 2', 'chanel 3']; var x = document.getElementById("mySelectTV"); var option = document.createElement("option"); for(var i=0; i&lt; chanels.length; i++){ option.text = chanels[i] ; x.add(option); } </code></pre>