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randomString(length, [charset])

Function returns a random string of a given length, optionally selected from a custom character set.

ParameterTypeDescription
lengthintLength of the random string
charset (optional)stringA customized list of characters

Returns

TypeDescription
anyRandom item(s) from the array of characters

Example

import { randomString } from 'https://jslib.k6.io/k6-utils/1.2.0/index.js';
export default function () {
const randomFirstName = randomString(8);
console.log(`Hello, my first name is ${randomFirstName}`);
const randomLastName = randomString(10, `aeioubcdfghijpqrstuv`);
console.log(`Hello, my last name is ${randomLastName}`);
const randomCharacterWeighted = randomString(1, `AAAABBBCCD`);
console.log(`Chose a random character ${randomCharacterWeighted}`);
}