text: //= require rails_admin/jquery-ui/version
  
  ( function( factory ) {
  	if ( typeof define === "function" && define.amd ) {
  
  		// AMD. Register as an anonymous module.
  		define( [ "jquery", "./version" ], factory );
  	} else {
  
  		// Browser globals
  		factory( jQuery );
  	}
  } ( function( $ ) {
  return $.ui.safeActiveElement = function( document ) {
  	var activeElement;
  
  	// Support: IE 9 only
  	// IE9 throws an "Unspecified error" accessing document.activeElement from an <iframe>
  	try {
  		activeElement = document.activeElement;
  	} catch ( error ) {
  		activeElement = document.body;
  	}
  
  	// Support: IE 9 - 11 only
  	// IE may return null instead of an element
  	// Interestingly, this only seems to occur when NOT in an iframe
  	if ( !activeElement ) {
  		activeElement = document.body;
  	}
  
  	// Support: IE 11 only
  	// IE11 returns a seemingly empty object in some cases when accessing
  	// document.activeElement from an <iframe>
  	if ( !activeElement.nodeName ) {
  		activeElement = document.body;
  	}
  
  	return activeElement;
  };
  
  } ) );
  