jQuery addClass example

Change class name on click in jQuery

by Dmitri Ganenco

HTML

<div id='site-navigation'>
	<a>sad</a>
</div>

CSS

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

#banner-message {
  background: #fff;
  border-radius: 4px;
  padding: 20px;
  font-size: 25px;
  text-align: center;
  transition: all 0.2s;
  margin: 0 auto;
  width: 300px;
}

button {
  background: #0084ff;
  border: none;
  border-radius: 5px;
  padding: 8px 14px;
  font-size: 15px;
  color: #fff;
}

#banner-message.alt {
  background: #0084ff;
  color: #fff;
  margin-top: 40px;
  width: 200px;
}

#banner-message.alt button {
  background: #fff;
  color: #000;
}

JavaScript

$("#site-navigation a").on("click", function (event) {
debugger;

event.preventDefault()

      var href = $(this).attr("href")

      window.history.pushState(null, null, href)

      //$("#site-navigation li").removeClass("current-menu-item")
      //$(this).addClass("current-menu-item")

      $.ajax({
        url: href,
        success: function (data) {

          $("#content").addClass('slide-out', function () {

            var newPage = $(data).filter("#content").html()

            $("#content").html(newPage)

            $("#content").removeClass('slide-out')
          })
        }
        })    
});