Array.prototype.includes || Object.defineProperty(Array.prototype, "includes", {
    value: function(r, e) {
        if (null == this) throw new TypeError('"this" is null or not defined');
        var t = Object(this), n = t.length >>> 0;
        if (0 == n) return !1;
        for (var i, o, a = 0 | e, u = Math.max(0 <= a ? a : n - Math.abs(a), 0); u < n; ) {
            if ((i = t[u]) === (o = r) || "number" == typeof i && "number" == typeof o && isNaN(i) && isNaN(o)) return !0;
            u++;
        }
        return !1;
    }
});