text: define([
  	"../core",
  	"../selector"
  ], function( jQuery ) {
  
  jQuery.expr.filters.hidden = function( elem ) {
  	// Support: Opera <= 12.12
  	// Opera reports offsetWidths and offsetHeights less than zero on some elements
  	return elem.offsetWidth <= 0 && elem.offsetHeight <= 0;
  };
  jQuery.expr.filters.visible = function( elem ) {
  	return !jQuery.expr.filters.hidden( elem );
  };
  
  });
  