MediaWiki:Common.js

/* Any JavaScript here will be loaded for all users on every page load. */
(function($, mw) {
    if (mw.config.get('wgNamespaceNumber') === 0) {
        var categories = mw.config.get('wgCategories');

        if (categories && categories.includes('Pages using gadget HexConverter')) {
            mw . loader . load ( '/index.php?title=MediaWiki:Gadget-HexConverter.css&action=raw&ctype=text/css', 'text/css' );
            mw . loader . load ( '/index.php?title=MediaWiki:Gadget-HexConverter.js&action=raw&ctype=text/javascript' );
        }
    }
})( jQuery , mediaWiki );