Generate a fixed-length random string in JavaScript

randomizer-string.js

const randomizer = {
  chars : [..."abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNPQRSTUVWXYZ123456789"],
  getString : length => [...Array(length)].map(_ => randomizer.chars[Math.random() * randomizer.chars.length|0]).join('')
};


/*                       How to use
=========================================================
|           Code           |       Example of result    |
| randomizer.getString(10) |    SeEmxH6haF              |
| randomizer.getString(20) |    CT2pZLaFLF1wemLZtCfB    |
=========================================================
*/