https://www.theoncologynurse.com/templates/ton2021/js/jquery.exitintent.js

1(function ($) {
2    'use strict';
3
4    var timer;
5
6    function trackLeave(ev) {
7        if (ev.clientY > 0) {
8            return;
9        }
10
11        if (timer) {
12            clearTimeout(timer);
13        }
14
15        if ($.exitIntent.settings.sensitivity <= 0) {
16            $.event.trigger('exitintent');
17            return;
18        }
19
20        timer = setTimeout(
21            function() {
22                timer = null;
23                $.event.trigger('exitintent');
24            }, $.exitIntent.settings.sensitivity);
25    }
26
27    function trackEnter() {
28        if (timer) {
29            clearTimeout(timer);
30            timer = null;
31        }
32    }
33
34    $.exitIntent = function(enable, options) {
35        $.exitIntent.settings = $.extend($.exitIntent.settings, options);
36
37        if (enable == 'enable') {
38            $(window).mouseleave(trackLeave);
39            $(window).mouseenter(trackEnter);
40        } else if (enable == 'disable') {
41            trackEnter(); // Turn off any outstanding timer
42            $(window).unbind('mouseleave', trackLeave);
43            $(window).unbind('mouseenter', trackEnter);
44        } else {
45            throw "Invalid parameter to jQuery.exitIntent -- should be 'enable'/'disable'";
46        }
47    }
48
49    $.exitIntent.settings = {
50        'sensitivity': 300
51    };
52
53})(jQuery);