Delete dynamically-generated table row using jQuery

Question

the code below add and remove table row with the help of Jquery the add function works fine but the remove only work if I remove the first row

Answer 1

  $(document.body).on('click', 'buttontrash', function () { // <-- changes
    alert("aa");
   /$(this).closest('tr').remove();
    return false;
});

This works perfectly, take not of document.body