https://flexcode.bg/wp-content/plugins/woocommerce-delivery-notes/assets/js/jquery.print-link.js?ver=5.1.0

1(function($) {
2		
3	$.fn.printLink = function(options) {
4		var iframe = null;
5        var settings = $.extend({
6            url: null
7        }, options);
8        
9        // Apply to all elements
10        return this.each(function() {
11			
12			// Click handler on the link
13			$(this).on('click', function(event) {
14				event.preventDefault();
15	
16				// Target element
17				var element = $(this);
18
19				// Get the url from the anchor or overwrite it
20				var url = element.attr('href');
21				if(settings.url) {
22					url = settings.url;
23				}
24				
25				// Open the url directly when an iframe printing is not supported.
26				if(navigator.userAgent.match(/opera/i) || navigator.userAgent.match(/trident/i) || (navigator.userAgent.match(/msie/i) && window.addEventListener)) {				
27					element.trigger('printLinkError');
28					return false;
29				}
30				
31				// Trigger load
32				element.trigger('printLinkInit');
33				
34				// Print the url with a hidden iframe
35				if(!$('#printLinkIframe')[0]) {
36					// Create a new iframe
37					var iframe = '<iframe id="printLinkIframe" name="printLinkIframe" src=' + url + ' style="position:absolute;top:-9999px;left:-9999px;border:0px;overfow:none; z-index:-1"></iframe>';
38					$('body').append(iframe);
39		
40					// Start the printing when the url is loaded
41					$('#printLinkIframe').on('load',function() {  
42						element.trigger('printLinkComplete');
43						frames['printLinkIframe'].focus();
44						frames['printLinkIframe'].print();
45					});
46				} else {
47					// Change the iframe src in case the iframe already exists
48					$('#printLinkIframe').attr('src', url);
49				}
50			});
51			
52		});
53        
54        return this;
55    };
56 
57}(jQuery));