https://anna-puruna.com/wp-content/themes/new-standard-3/js/page-loading-screen.js?ver=3.2.6

1(function($) {
2	if ( NsPageLoadingScreen.fadeOut ) {
3		$(function(){
4			$(window).on('beforeunload', function(event) {
5				$("body").addClass("display-loading-screen");
6				$('#ns-page-loading-screen').fadeIn(400);
7				return;
8			});
9		});
10	}
11	
12	$(window).load(removeLoadingScreen);
13	
14	$(function() {
15		$screen = $("#ns-page-loading-screen");
16		
17		if ( $screen.is(":hidden") ) {
18			$("body").removeClass("display-loading-screen");
19			$screen.hide();
20		} else {
21			setTimeout(removeLoadingScreen, 10000);
22		}
23	});
24	
25	function removeLoadingScreen(){
26		$screen = $("#ns-page-loading-screen");
27		
28		if ( $screen.is(":visible") ) {
29			$screen.delay(300).fadeOut(400);
30			$("body").removeClass("display-loading-screen");
31		}
32	}
33})(jQuery);