dateTotalNbUnread(0),delete this.nb_unread_messages_sum,$("div.chat- messenger").removeClass("chat-home").addClass("chat- home"),this.SW_chat_display=hinitServiceWorker:function()(if(this.log("initServiceWorker"),!1 in navigator I I "undefined"=ypeof navigator.serviceWorker)return void this.serviceWorkerError({error