how to make popup modal in jquery with example

                                    
$('#sub-modal').modal({
  closeExisting: false
});

                                    <!-- Modal HTML embedded directly into document -->
<div id="ex1" class="modal">
  <p>Thanks for clicking. That felt good.</p>
  <a href="#" rel="modal:close">Close</a>
</div>

<!-- Link to open the modal -->
<p><a href="#ex1" rel="modal:open">Open Modal</a></p>

                                     $("#sticky").modal({
  escapeClose: false,
  clickClose: false,
  showClose: false
});

                                    <!-- AJAX response must be wrapped in the modal's root class. -->
<div class="modal">
  <p>Second AJAX Example!</p>
</div>