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)
• Internet Explorer / Edge: Hold Ctrl while clicking Refresh, or press Ctrl-F5
• Opera: Press Ctrl-F5.

/* Any JavaScript here will be loaded for all users on every page load. */
document.addEventListener('DOMContentLoaded', function () {
    // Select all videos embedded using [[File:...]] syntax
    const embeddedVideos = document.querySelectorAll('video');
    embeddedVideos.forEach(video => {
        // Set preload attribute to "none"
        video.setAttribute('preload', 'none');
    });
});