<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<div class="container">
<div class="row">
<h2>JavaScript: Block Form submission and call Javascript function</h2>
<form class="form-control" name="search" onsubmit="return makeSearch()" >
Name: <input class="form-control" type="text" name="name1" required />
Age: <input class="form-control" type="text" name="age1" required /><br>
<button class="btn" type="submit" name="Submit" value="Submit">Yes</button>
</form>
<div class="jumbotron jumbotron-fluid btn-block">
<div class="container">
<h1 class="display-4">Result</h1>
<p class="lead" id="result" >This is a modified jumbotron that occupies the entire horizontal space of its parent.</p>
</div>
</div>
</div>
</div>
