아래는 소스 입니다.
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>last demo</title>
<script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
<button name="addStaff">정산담당자 추가</button>
<br>
<br>
<table border="1" style="width:950px">
<tbody>
<tr name="trStaff">
<td style="width:150px"><strong>정산담당자</strong></td>
<td style="width:800px">
<input type="text" name="staff_name" placeholder="성명">
<input type="text" name="staff_contact" placeholder="연락처1">
<input type="text" name="staff_contact2" placeholder="연락처2">
<input type="text" name="staff_email" placeholder="이메일">
<select name="staff_use_yn">
<option value="Y">사용</option>
<option value="N">미사용</option>
</select>
</td>
</tr>
<tr>
<td><strong>메모</strong></td>
<td>
<textarea style="width:800px" name="memo" rows="3" placeholder="메모를 남겨주세요."></textarea>
</td>
</tr>
</tbody>
</table>
<script>
//추가 버튼
$(document).on("click","button[name=addStaff]",function(){
var addStaffText = '<tr name="trStaff">'+
' <td class="active col-md-1"><strong>정산담당자</strong></td>'+
' <td class="col-md-11">'+
' <input type="text" class="form-control" name="staff_name" placeholder="성명">'+
' <input type="text" class="form-control" name="staff_contact" placeholder="연락처1">'+
' <input type="text" class="form-control" name="staff_contact2" placeholder="연락처2">'+
' <input type="text" class="form-control" name="staff_email" placeholder="이메일">'+
' <select class="form-control statusYn" name="staff_use_yn">'+
' <option value="Y">사용</option>'+
' <option value="N">미사용</option>'+
' </select>'+
' <button class="btn btn-default" name="delStaff">삭제</button>'+
' </td>'+
'</tr>';
var trHtml = $( "tr[name=trStaff]:last" ); //last를 사용하여 trStaff라는 명을 가진 마지막 태그 호출
trHtml.after(addStaffText); //마지막 trStaff명 뒤에 붙인다.
});
//삭제 버튼
$(document).on("click","button[name=delStaff]",function(){
var trHtml = $(this).parent().parent();
trHtml.remove(); //tr 테그 삭제
});
</script>
</body>
</html>