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DocumentationTencent Cloud Observability PlatformPerformance Testing ServiceJavaScript API Listpts/redisClientClient.hLen
Client.hLen
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Last updated: 2025-03-11 20:05:03
Client.hLen
Last updated: 2025-03-11 20:05:03
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The hLen method is used to obtain the number of fields in the hash table.
hLen(key: string): number

Parameters

Parameter
Type
Description
key
string
Key name.

Return

Type
Description
number
On success, the number of entries is returned.

Samples

import redis from "pts/redis";

let client = new redis.Client("redis://:<password>@<host>:6379/0");

export default function main() {
    let hSetResp = client.hSet("hash", "k", 1, "k1", 2);
    console.log(redis hSet ${hSetResp}); // 2
    let hLenResp = client.hLen("hash");
    console.log(redis hLen ${hLenResp}); // 2
}

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