jQuery addClass example

Change class name on click in jQuery

by HarpreetRidhi

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.2/popper.min.js"></script>

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>

<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
<div class="section">
  <p>Section 1</p>
  <a href="#" class="js-share-cf-btn">This is the trigger</a>
</div>

<div class="section">
  <p>Section 2</p>
  <a href="#" class="js-share-cf-btn">This is the trigger</a>
</div>

<div class="section">
  <p>Section 3</p>
  <a href="#" class="js-share-cf-btn">This is the trigger</a>
</div>

<div class="share-popover js-share-cf-popover">
  This is the popup
</div>

<div class="share-popover js-share-cf-popover">
  This is the popup
</div>

CSS

body {
  background: #20262E;
  padding: 20px;
  font-family: Helvetica;
}

.section {
  background: #fff;
  padding: 20px;
  font-size: 25px;
  text-align: center;
  transition: all 0.2s;
  margin: 0 auto;
  width: 300px;
  margin-bottom: 20px;
}

.share-popover {
  background: red;
  color: white;
  padding: 10px;
}

JavaScript

$(function() {
  var reference = $('.js-share-cf-btn');
  var popover = $('.js-share-cf-popover');
  popover.hide();

  $(document).on('click', function(e) {
    var target = $(e.target);
    // ne need to reshow and recreate poper when click over popup so return;
    if(target.is(popover)) return;
    if (target.is(reference)) {
      e.preventDefault();

      popover.show();

      var popper = new Popper(target, popover, {
        placement: 'top',
      });
    }else {
      popover.hide();
    }
  });

});