Try this
...
above same as your code
<script type="text/javascript" charset="utf-8" src="https://raw.github.com/RUPOJS/jsCombo/master/combobox.js"></script>
<script src="http://code.jquery.com/jquery-1.10.1.min.js"></script>
<script type="text/javascript" charset="utf-8">
var no;
$(document).ready(function(){
var list = "<a>option 4</a><a>option 4</a><a>option 5</a><a>option 6</a>"
$(".dropdownlist").append(list).each(function() {
no = new inputSelect('cb_identifier');
});
});
</script>
</body>
</html>
In pure java-script
try using this
<script type="text/javascript" charset="utf-8" src="https://raw.github.com/RUPOJS/jsCombo/master/combobox.js"></script>
<script type="text/javascript" charset="utf-8">
var string = "<a>option 5</a><a>option 6</a><a>option 7</a><a>option 8</a>";
var getElement = document.getElementsByClassName("dropdownlist")[0];
getElement.innerHTML = getElement.innerHTML+string;
var no = new inputSelect('cb_identifier');
</script>
</body>
</html>
Use this for looping
<script type="text/javascript" charset="utf-8">
var strArray = [["option 1"], ["option 2"], ["option 3"], ["option 4"], ["option 4"]];
var string = ""
for(i=0; i < strArray.length; i++)
{
string +="<a>"+strArray[i][0]+"</a>";
}
var getElement = document.getElementsByClassName("dropdownlist")[0];
getElement.innerHTML = getElement.innerHTML+string;
var no = new inputSelect('cb_identifier');
</script>