await redis.set("key", 6);
await redis.decr("key");
// returns 5

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.

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Arguments

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key
string
required

The key to decrement.

​
Response

The value at the key after the decrementing.

await redis.set("key", 6);
await redis.decr("key");
// returns 5