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