<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
</head>
<body>
<div class="container">
<input id="ftxt"> <input id="stxt">
<button onclick="load()">add</button>
<table class="table table-bordered">
<thead>
<tr>
<th><input type="checkbox" onclick=chk(this)></th>
<th>Fistname</th>
<th>lastname</th>
</tr>
</thead>
<tbody id="disp">
</tbody>
</table>
</div>
<script>
