HTML:
<div id="test">
<p class="test1">test 1</p>
<p class="test2">test 2</p>
<p class="test3">test 3</p>
<p class="test4">test 4</p>
</div>
<div class="clickdiv">click</div>
jQuery
$('.clickdiv').on('click', function(){
$('.test1').clone().appendTo('#test');
}
This will result one more <p>
with class = "test1"
. Now how can I remove the original one that is first one?