jQuery addClass example

Change class name on click in jQuery

by satantx

HTML

<div class="js-showcase">
  <img src="https://likadress.ru/uploads/hu/-9/2Y/iq/-dFH0_Io.png" alt="" class="active">
</div>

CSS

img:not(.active) {
  display: none;
}

JavaScript

$('.js-showcase').each(function () {
        var el = $(this),
            len = $('img', el).length,
            count = 0;
        if (len > 1) {
            var timer = setInterval(function () {
                if (count < len) {
                	$('img', el).removeClass('active').eq(count).addClass('active');
                  count++;
                }
                else {
                	$('img', el).removeClass('active').eq(0).addClass('active');
                  count = 1;
                }
                
            }, 700);
        }
    })