JSFiddle - React, Tailwind, and code Playground

HTML

<input type="button" class="adddiv" value="add" />
  <div class="clean">
      msg 
    
  </div>

JavaScript

$(".adddiv").on("click",function(){
if($('div.main1').length <= 5){
$('.clean').after('<div class="clean main1">msg<button class="close" value="close" /></div>'); 
}
else{
 // do something else here
 alert('cannot be more than 5')
}
 });

$(document).on("click",".close",function(){
    $(this).closest('div').remove();
 });