MediaWiki:Common.js

Note: After saving, 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: Hold Ctrl while clicking Refresh, or press Ctrl-F5
• Opera: Go to Menu → Settings (Opera → Preferences on a Mac) and then to Privacy & security → Clear browsing data → Cached images and files.

/* Any JavaScript here will be loaded for all users on every page load. */
if (mw.config.get('wgPageName') === 'Template:Sandbox') {
   mw.loader.load( '/index.php?title=MediaWiki:Sandbox.js&action=raw&ctype=text/javascript' );
}
console.log(mw.config)
console.log( 'Common JS loaded!!' );