public/build/static/application.js
function() {
            if (!this.available) return;

            if (window.applicationCache.status === window.applicationCache.UPDATEREADY) {
                this.trigger("update");
            }
            return window.applicationCache.status === window.applicationCache.UPDATEREADY;
        }
function() {
            if (!this.available) return;

            if (window.applicationCache.status === window.applicationCache.UPDATEREADY) {
                this.trigger("update");
            }
            return window.applicationCache.status === window.applicationCache.UPDATEREADY;
        }
function ( ) { if ( ! this . available ) return ; if ( window . applicationCache . status === window . applicationCache . UPDATEREADY ) { this . trigger ( "update" ) ; } return window . applicationCache . status === window . applicationCache . UPDATEREADY ; }
Check for cache update
Check for cache update