scrape twitter.com/{account}/lists/{list_name}/members

twitter_list_members_scraper.js

//https://twitter.com/tweetcongress/lists/congress/members
//https://twitter.com/cspan/lists/members-of-congress/members
var $rows = $('.js-profile-popup-actionable');
var csv = 'name,twitterHandle,twitterUrl\n';
$rows.each(function(i) {
  var $el = $($rows[i]);

  var name = $el.attr('data-name');
  var twitterHandle = $el.attr('data-screen-name');
  var twitterUrl = 'http://twitter.com/' + twitterHandle;

  csv += name + ', ';
  csv += twitterHandle + ', ';
  csv += twitterUrl + '\n';
});
copy(csv) // copies to clipboard