<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<script src="https://github.com/makeusabrew/bootbox/releases/download/v4.4.0/bootbox.min.js"></script>
<div class="container">
<div class="row">
<h2>submit form</h2>
<form id="sub_form" action="/">
<input type="text" value="12343">
<input type="submit" value="send">
</form>
</div>
</div>