jQuery addClass example

Change class name on click in jQuery

by diogenesgg

HTML

<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
<link rel="stylesheet" href="https://code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
<p>Date: <input type="text" class="datepicker"></p>

JavaScript

$(document).on('focus', ".datepicker", function () {
  if( $(this).hasClass('hasDatepicker') === false )  {
    $(this).datepicker({
      dateFormat : 'yy-mm-dd',
      autoSize: true,
    });
  }
});