MediaWiki:Common.js

Note: After publishing, you may have to bypass your browser's cache to see the changes.

• Firefox / Safari: Hold Shift while clicking Reload, or press either Ctrl-F5 or Ctrl-R (⌘-R on a Mac)
• Google Chrome: Press Ctrl-Shift-R (⌘-Shift-R on a Mac)
• Edge: Hold Ctrl while clicking Refresh, or press Ctrl-F5.

/* Any JavaScript here will be loaded for all users on every page load. */

document.addEventListener('DOMContentLoaded', function() {
    document.querySelectorAll('a[href]').forEach(function(link) {
        if (link.href.includes('example.com')) { // filter for your popup URLs
            link.addEventListener('click', function(e){
                e.preventDefault();
                window.open(link.href, 'popupWindow', 'width=600,height=400,scrollbars=yes,resizable=yes');
            });
        }
    });
});