e.exports = function()

in static/js/tracker.js [2289:2302]


      e.exports = function (e) {
        return function (n, t, u) {
          var a,
            c = r(n),
            s = o(c.length),
            f = i(u, s);
          if (e && t != t) {
            for (; s > f; ) if ((a = c[f++]) != a) return !0;
          } else
            for (; s > f; f++)
              if ((e || f in c) && c[f] === t) return e || f || 0;
          return !e && -1;
        };
      };