<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> <!------ Include the above in your HEAD tag ----------> <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>

function makeSearch() { $("#result").html("Code to make AJAX Call"); return false; }