First, don't use document.write
.
You've tagged your question with jQuery and so I'm assuming that you're using that.
Something like this should work (fiddle):
HTML:
<div id="repeatDiv">repeat</div>
<select id = "mySelect">
<option value = "1">1</option>
<option value = "2">2</option>
<option value = "3">3</option>
...
<option value = "10">10</option>
</select>
Javascript:
jQuery("#mySelect").change(function() {
var value = jQuery(this).val();
var $repeatDiv = jQuery("#repeatDiv");
for(var i = 0; i < value; i++) {
$repeatDiv.after($repeatDiv.clone().attr("id", "repeatDiv" + new Date().getTime()));
}
});
I modified my solution to use a clone and give each element unique id's.
The non-jQuery version is a little more verbose (fiddle):
document.getElementById("mySelect").addEventListener("change", function(event) {
var value = event.target.options[event.target.selectedIndex].value;
var repeatDiv = document.getElementById("repeatDiv");
for(var i = 0; i < value; i++) {
var newDiv = document.createElement("div");
newDiv.id = "repeat" + new Date().getTime();
newDiv.innerHTML = repeatDiv.innerHTML;
repeatDiv.parentNode.insertBefore(newDiv, repeatDiv.nextSibling); //essentially an insertAfter
}
}, true);