JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/dot-luv/jquery-ui.css">
<div class="hello">
    <select name="products[]">
        <option>Option 1</option>
        <option>Option 2</option>
        <option>Option 3</option>
    </select>
    <input type="text" name="try[]">
    <br/>
</div>
<form>
    <div id="goodbye"></div>
    <input type="button" id="rp" value="add">
</form>

JavaScript

$j=jQuery.noConflict();
$j(document).ready(function() {
    $j('#rp').click(function(){ 
        $j('.hello').clone().removeClass('hello').appendTo('#goodbye');
        var str = $j(this).parent('form').serialize();
        alert(str);
    });
});