Simple random string

randomstring.js

function randString(length = 10) {
  // const text = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
  // const nums = '0123456789';
  // const vals = `${text}${text.toLowerCase()}${nums}`;
  const vals = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';

  return Array(length).fill().map(() => vals.charAt(Math.floor(Math.random() * vals.length))).join('');
}