I have a form that gets the data from database (loop)
<div class="row">
<div><input name="Url"></div>
<div><input name="Tekst"></div>
<div><input name="description"></div>
<div>
<select name="Links" style='display:none;')>
<option value="buy+sell">buy+sell</option>
<option value="sell">sell</option>
<option value="buy">buy</option>
</select>
</div>
<div class="row">
<div><input name="Url"></div>
<div><input name="Tekst"></div>
<div><input name="description"></div>
<div>
<select name="Links""style='display:none;'">
<option value="buy+sell">buy+sell</option>
<option value="sell">sell</option>
<option value="buy">buy</option>
</select>
</div>
I hope I understood your question right:
Is this what you are looking for? https://jsfiddle.net/cqenvvt9/1/
I used jQuery`s clone() and checked if there is already a cloned object.
$(document).on("input", ".yourDiv", function(){
if ($(this).next(".yourDiv").length > 0){
console.log("There is already a Clone of this Div")
} else {
$(this).clone().insertAfter( this ).find("input:text").val("");
}
});