ZSCORE

await redis.zadd("key", 
    { score: 1, member: "m1" },
    { score: 2, member: "m2" },
    { score: 3, member: "m3" },
    { score: 4, member: "m4" },
)

const score = await redis.zscore("key", "m2")
console.log(score) // 2