Hi Adam,
Sorry, not sure I understand. What do you mean by 'make the class visible'?
To increment badge you can store a value in localStorage, and then use it:prevar myValue= parseInt(localStorage.getItem("myValue"));
$("[name=mobilenavbaritem_118]").before('span class="badge"'+myValue+'/span');
localStorage.setItem("myValue", myValue + 1);/pre