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Arguments

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destination
string
required
The key of the set to store the resulting set in.
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keys
...string[]
required
The keys of the sets to perform the difference operation on.

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Response

The members of the resulting set.
await redis.sadd("set1", "a", "b", "c"); 
await redis.sadd("set2", "c", "d", "e"); 
await redis.sdiff("dest", "set1", "set2");
console.log(diff); // ["a", "b"]