const values = await redis.zdiffstore("destination", 2, "key1", "key2");

​
Arguments

​
destination
string
required
The key to write the difference to.
​
keys
integer
required
How many keys to compare.
​
keys
...string[]
required
The keys to compare.

​
Response

The number of elements in the resulting set.
const values = await redis.zdiffstore("destination", 2, "key1", "key2");