title: myswiper.slideTo() is not a function
body: <p>i have this error in console, but i dont understand why</p>
  
  <pre><code>var mySwiper = new Swiper('.swiper-container', {
      speed: 400,
      loop: true,
      slidesPerView:1,
      calculateHeight: true,
      spaceBetween: 50,
      watchActiveIndex: true,
      prevButton: '.swiper-button-prev',
      nextButton: '.swiper-button-next'
  });
  
    $('input[type=radio][name=radio]').change(function() {
      var indx = $(this).val();
      mySwiper.slideTo(indx,400,false);
  });
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/qhCe0.png" rel="nofollow noreferrer">screen shot of error</a></p>