Extension:Gadgets/Scripts/SubPages.js

/** subpages **/
$( function () {
	var NSWithoutSubpages = [ -1, 6, 8, 12, 13, 14, 15, 104, 105 ];
	if ( NSWithoutSubpages.indexOf( mw.config.get( 'wgNamespaceNumber' ) ) === -1 ) {
		var subpagesLink = mw.util.getUrl( 'Special:PrefixIndex/' + mw.config.get( 'wgPageName' ) + '/' );
		mw.util.addPortletLink( 'p-tb', subpagesLink, 'Subpages', 't-subpages', 'Subpages of this page' );
	}
} );