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Important: This documentation is about an older version. It's relevant only to the release noted, many of the features and functions have been updated or replaced. Please view the current version.

Open source

Client.lset(key, index, element)

Sets the list element at index to element.

Parameters

ParameterTypeDescription
keystringkey holding the list to set the element of.
indexnumberindex of the element to set.
elementstringvalue to set the element to.

Returns

TypeResolves withRejected when
Promise<string>On success, the promise resolves with OK.If the list does not exist, or the index is out of bounds, the promise is rejected with an error.

Example

JavaScript
import redis from 'k6/experimental/redis';

// Instantiate a new redis client
const redisClient = new redis.Client('redis://localhost:6379');

export default async function () {
  await redisClient.rpush('mylist', 'first');
  await redisClient.rpush('mylist', 'second');
  await redisClient.rpush('mylist', 'third');
  await redisClient.lset('mylist', 0, 1);
  await redisClient.lset('mylist', 1, 2);
}