ZCARD

Returns the number of elements in the sorted set stored at key.

Arguments

key · string · required

The key to get.

Response

The number of elements in the sorted set.

Example

await redis.zadd("key", 
    { score: 1, member: "one"}, 
    { score: 2, member: "two" },
);
const elements = await redis.zrank("key");
console.log(elements); // 2