Function R

xiaohongshu/test.js:1238–1242

(e, t, n, r)

                    throw new RangeError("Index out of range")
            }
            function R(e, t, n, r) {
                t < 0 && (t = 65535 + t + 1);
                for (var i = 0, o = Math.min(e.length - n, 2); i < o; ++i)
                    e[n + i] = (t & 255 << 8 * (r ? i : 1 - i)) >>> 8 * (r ? i : 1 - i)
            }
            function j(e, t, n, r) {
                t < 0 && (t = 4294967295 + t + 1);
                for (var i = 0, o = Math.min(e.length - n, 4); i < o; ++i)