example logout

$(".header .user__menu a[href*='/students/sign_out']").on({
      'click' : function(e) {
          e.preventDefault();
          $.ajax({
              type: "POST",
              url: "https://app.examfit.co.uk/students/sign_out",
              crossDomain: true,
              success: function( data, textStatus, jQxhr ){
                  alert('hi');
              }
          });
      }
 });