<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>
<!------ Include the above in your HEAD tag ---------->
<div class="container">
<div class='text-center'>
<h3 class='text-center'>Showing Element</h3>
<button class='btn btn-danger btn-lg' onclick='myFunc()' id='button'>Click To Action</button>
<button style='display:none' id='buttonID' onclick='myFunc()' class='btn btn-danger btn-lg'>This Is A Button</button>
</div>
</div>