const redis = require('redis');
const client = redis.createClient();
client.on('error', (err) => console.log('Redis Client Error', err));
client.on('connect', () => console.log('Redis Client Connected'));
client.connect();
client.SADD('key1', 'a', 'b', 'c', 'e').then((res) => {
console.log(res);
client.SADD('key2', 'a', 'b', 'd').then((res) => {
console.log(res);
client.SINTER('key1', 'key2').then((res) => {
console.log(res);
client.quit();
});
});
});