ZscoreCommand
#sidebar SortedSetCommandsSidebar
ZSCORE _key_ _element_ (Redis >
1.1) = Time complexity O(1)Return the score of the specified element of the sorted set at key.If the specified element does not exist in the sorted set, or the keydoes not exist at all, a special 'nil' value is returned.
Return value
Bulk replythe score (a double precision floating point number) represented as string.