x = function()

in static/js/tracker.js [2542:2557]


        x = function () {
          var e, n, t, r;
          return null !== (e = window) &&
            void 0 !== e &&
            null !== (n = e.performance) &&
            void 0 !== n &&
            n.now
            ? performance.now()
            : null !== (t = window) &&
              void 0 !== t &&
              null !== (r = t.performance) &&
              void 0 !== r &&
              r.timing
            ? new Date().getTime() - performance.timing.navigationStart
            : new Date().getTime() - g;
        },