Pagination of elements with redis

gistfile1.js

var likes = [1,1,1,4,5,6,7,8,9];
var response = false;

client.sadd('temp:comparator', likes, function (err, data) {
	client.sdiff('temp:comparator', 'set:zara', function (err, data) {
		console.log(data);
		if (data.length > 0) {
			client.sadd('set:zara', data, redis.print);
			client.del('temp:comparator', redis.print);
			data.forEach(function (elem) {
				client.rpush('brand:ids:list:zara', elem, function (err, data) {
					if (data >= 5 && ! response) {
						response = true;
						client.lrange('brand:ids:list:zara', 0, 4, function (err, data) {
							console.log(data);
						});
					}
				});
			});
		}
	});
});
likes = [];