String
DECRBY
Decrement the integer value of a key by a given number.
If a key does not exist, it is initialized as 0 before performing the operation. An error is returned if the key contains a value of the wrong type or contains a string that can not be represented as integer.
Arguments
keybodystringrequired
The key to decrement.
decrementBybodyintegerrequired
The amount to decrement by.
Response
integerrequired
The value at the key after the decrementing.
Example
await redis.set("key", 6);await redis.decrby("key", 4);// returns 2