table with inputs bootstrap

1
2//html
3<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
4<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script>
5<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
6<!------ Include the above in your HEAD tag ---------->
7
8<div class="container">
9    <div class="row clearfix">
10		<div class="col-md-12 column">
11			<table class="table table-bordered table-hover" id="tab_logic">
12				<thead>
13					<tr>
14						<th class="text-center">"#"</th>
15						<th class="text-center">Name</th>
16						<th class="text-center">Mail</th>
17						<th class="text-center">Mobile</th>
18					</tr>
19				</thead>
20				<tbody>
21					<tr id='addr0'>
22						<td>1</td>
23						<td>
24						<input type="text" name='name[]'  placeholder='Enter Full Name' class="form-control"/>
25						</td>
26						<td>
27						<input type="email" name='mail[]' placeholder='Enter Mail' class="form-control"/>
28						</td>
29						<td>
30						<input type="number" name='mobile[]' placeholder='Enter Mobile' class="form-control"/>
31						</td>
32					</tr>
33                    <tr id='addr1'></tr>
34				</tbody>
35			</table>
36		</div>
37	</div>
38	<button id="add_row" class="btn btn-default pull-left">Add Row</button>
39	<button id='delete_row' class="pull-right btn btn-default">Delete Row</button>
40</div>
41
42//js
43$(document).ready(function(){
44      var i=1;
45     $("#add_row").click(function(){b=i-1;
46      $('#addr'+i).html($('#addr'+b).html()).find('td:first-child').html(i+1);
47      $('#tab_logic').append('<tr id="addr'+(i+1)+'"></tr>');
48      i++; 
49  });
50     $("#delete_row").click(function(){
51    	 if(i>1){
52		 $("#addr"+(i-1)).html('');
53		 i--;
54		 }
55	 });
56});

1<table class="table table-sm table-dark">
2  <thead>
3    <tr>
4      <th scope="col">#</th>
5      <th scope="col">First</th>
6      <th scope="col">Last</th>
7      <th scope="col">Handle</th>
8    </tr>
9  </thead>
10  <tbody>
11    <tr>
12      <th scope="row">1</th>
13      <td>Mark</td>
14      <td>Otto</td>
15      <td>@mdo</td>
16    </tr>
17    <tr>
18      <th scope="row">2</th>
19      <td>Jacob</td>
20      <td>Thornton</td>
21      <td>@fat</td>
22    </tr>
23    <tr>
24      <th scope="row">3</th>
25      <td colspan="2">Larry the Bird</td>
26      <td>@twitter</td>
27    </tr>
28  </tbody>
29</table>