Usuario:Hasley/sandbox/test.js

// barra de progreso
if ( mw.config.get( 'wgPageName' ) === 'Usuario:Hasley/sandbox2' ) {
	$.when( $.ready, mw.loader.using( [ 'oojs-ui' ] ) ).then( function () {	

		var number = $( '#progress-bar' ).text();

		var progressBar = new OO.ui.ProgressBarWidget( {
			progress: number
		} );

		if ( progressBar.progress < 100 ) {
		    progressBar.pushPending();
		}

		$( '#progress-bar' ).append( progressBar.$element );
	} );
}