bootstrap modal popup open on page load code example

Example 1: bootstrap show modal on page load

<script type="text/javascript">
    $(window).on('load',function(){
        $('#myModal').modal('show');
    });
</script>

Example 2: how to add bootstrap modal for video on page load

<!doctype html>
<html lang="en">
  <head>
    <!-- Required meta tags -->
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <!-- Bootstrap CSS -->
    <link rel="stylesheet" href="bootstrap.min.css">
    <title>Hello, world!</title>
  </head>
  <body>
    <h1>On page load show Modal Popup !</h1>

    <!-- Modal -->
    <div class="modal fade" id="exampleModal" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" aria-hidden="true">
      <div class="modal-dialog" role="document">
        <div class="modal-content">
          <div class="modal-header">
            <h5 class="modal-title" id="exampleModalLabel">Modal title</h5>
            <button type="button" class="close" data-dismiss="modal" aria-label="Close">
              <span aria-hidden="true">×</span>
            </button>
          </div>
          <div class="modal-body">
            <video id="" width="100%" controls poster="video/thumb.jpg">
              <source src="video/Login_via_Lynda_dot_com.mp4" type="video/mp4">
              <source src="video/Login_via_Lynda_dot_com.ogg" type="video/ogg">
              Your browser does not support the video tag.
            </video>
          </div>
          <div class="modal-footer">
            <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
            <button type="button" class="btn btn-primary">Save changes</button>
          </div>
        </div>
      </div>
    </div>

    <!-- jQuery first, then Popper.js, then Bootstrap JS -->
    <script src="https://khaalipaper.com/js/jquery-3.2.1.min.js"></script>
    <script src="bootstrap.min.js"></script>
    <script type="text/javascript">
        $(document).ready(function(){
          $('#exampleModal').modal({
              show: false
          }).on('hidden.bs.modal', function(){
              $(this).find('video')[0].pause();
          });
        });
    </script>
  </body>
</html>