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.HSET('id', 'floatkey', 9.1).then((res) => {
console.log('set floatkey', res);
});
client.HINCRBYFLOAT('id', 'floatkey', 1.1).then((res) => {
console.log(res);
client.quit();
});