facebook_revoke_apps.js

// Revoke / delete all Facebook apps that have access to your account.
// 1. Log in to FB
// 2. go to https://www.facebook.com/settings?tab=applications
// 3. Open javascript console (in Chrome : Ctrl-Shift-J / ALT-⌘-J)
// 4. Paste this snippet

function deleteApps($$) {
  $$('input[title="Remove"]')[0].click()

  setTimeout( function() {
    $$('input[name=delete_app_actions]')[0].click()
    $$('input[name=ok]')[0].click()
  }, 500 )

  setTimeout( function() {
    deleteApps($$)
  }, 750)
}

deleteAll($$)