https://www.valpolicellaweb.it/wp-content/plugins/wpforms-ajax-submit-master/wpforms-ajax-submit.js?ver=1.2.4

1	
2	// WPForms AJAX Submission JS
3	
4	// this variable will record that a form was submitted through ajax
5	// or that the form was submitted at all
6	// this value is provided for a way to test to see if a form was submitted
7	var wpforms_ajax_submit_done = false;
8	
9	// this viable will hold the last form id submitted
10	// another variable that can be tested from another script
11	var wpforms_last_submitted_form = false;
12	
13	jQuery(document).ready(function($) {
14		
15		var trigger = location.hash;
16		if (!trigger.match(/^#wpforms-/)) {
17			trigger = false;
18		}
19		
20		if (typeof(FormData) == 'undefined') {
21			if (trigger && trigger.match(/^#wpforms-/)) {
22				var triggerEl = $($('[data-trigger="'+trigger+'"]')[0]);
23				var triggerType = triggerEl.attr('data-trigger-type');
24				if (typeof(triggerType) == 'undefined') {
25					triggerType = 'click';
26				}
27				triggerEl.trigger(triggerType);
28				wpforms_ajax_submit_done = true;
29				wpforms_last_submitted_form = trigger;
30			}
31			return;
32		}
33		$('.wpforms-ajax-submit form').each(function(index, element) {
34			wpforms_alter_submit(element);
35		});
36	});
37	
38	function wpforms_alter_submit(form) {
39		// define $
40		$ = jQuery;
41		
42		var form_id = $(form).attr('id');
43		$(form).attr('action', 'javascript: wpforms_ajax_submit("'+form_id+'");');
44		$(form).append('<input type="hidden" name="action" value="wpforms_ajax_submit" />');
45	}
46	
47	function wpforms_ajax_submit(form_id) {	
48		// define $
49		$ = jQuery;
50		
51		// disable form
52		var container = $('#'+form_id).parent();
53		container.css('position', 'relative');
54		var overlay = '<div id="'+form_id+'-overlay" style="background-image:url('+wpforms_ajax_submit_data.loading_image+');background-position:left bottom;background-repeat:no-repeat;width:100%;height:100%;position:absolute;background-color:rgba(0,0,0,0.25);z-index:9999;"></div>';
55		container.prepend(overlay);
56		
57		// do AJAX request
58		var ajaxurl = wpforms_ajax_submit_data.ajaxurl;
59		var form = $('#'+form_id).get(0);
60		ajaxdata = new FormData(form);
61		var ajaxobject = {
62			type: 'post',
63			dataType: 'json',
64			url: ajaxurl,
65			data: ajaxdata,
66			cache: false,
67			contentType: false,
68			processData: false,
69			success: function(json) {
70				// enable form
71				$('#'+form_id+'-overlay').remove();
72				if (!json) {
73					return;
74				}
75				if (json['redirect_url']) {
76					window.location = json['redirect_url'];
77					return;
78				}
79				if (json['content']) {
80					container.empty();
81					container.append(json['content']);
82					// make changes to the form that was just inserted
83					// so it keeps working
84					// thanks @caleb-smith-capstorm
85					var form = $('#'+form_id).get(0);
86					wpforms_alter_submit(form);
87				}
88				wpforms_ajax_submit_done = true;
89				wpforms_last_submitted_form = '#'+form_id;
90			},
91			error: function(jqHXR, textStatus, error) {
92				console.log('error');
93				console.log(jqHXR);
94				console.log(textStatus);
95				console.log(error);
96			},
97			complete: function(jqHXR, textStatus) {
98				//console.log('complete');
99				//console.log(jqHXR);
100				//console.log(textStatus);
101			},
102		};
103		
104		$.ajax(ajaxobject);
105	}