List all Wikipedia language-specific subdomains

wikipedia-subdomains-list.js

// Run this bookmarlet on the page containing a list of active Wikipedias → https://en.wikipedia.org/wiki/List_of_Wikipedias

[...document.querySelectorAll('table')[1]
  .querySelectorAll('tr')
 ].filter(tr => !tr.innerText.includes('(closed)'))
  .map(tr => tr.querySelector('a.extiw'))
  .filter(a => a)
  .filter(a => !a.title.includes('Special') && !a.title.includes('Stat'))
  .map(a => a.title.replace(/:.*/, ''))
  .join()

// And also add 'en' which is considered default and not listed on the page