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Client.lpush(key, values)

Inserts all the specified values at the head of the list stored at key. If key does not exist, it is created as empty list before performing the push operations.

Parameters

ParameterTypeDescription
keystringkey holding the list to left push to.
valuesa variadic array of strings, numbers, or booleansvalues to push to the list.

Returns

TypeResolves withRejected when
Promise<number>On success, the promise resolves with the length of the list after the push.When key holds a value that is not a list, the promise is rejected with an error.

Example

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

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

export default async function () {
  await redisClient.lpush('mylist', 'first');
  await redisClient.rpush('mylist', 'second');

  let item = await redisClient.lpop('mylist');
  item = redisClient.rpush('mylist', item);
  item = redisClient.rpop('mylist');
}