https://www.waveenergyscotland.co.uk/scripts/m-newslettersignup.js?d=3175

1(function ($) {
2
3    $(function () {
4
5        $(".m-newslettersignup").each(function () {
6            const $root = $(this);
7            const btn = $root.find("button[type=submit]");
8            $(btn).on("click", function (e) {
9                e.preventDefault();
10                
11                $root.find("[js-emailaddress-error]").hide();
12                $root.find("[js-newsletter-error]").hide();
13                $root.find("[js-subscribed]").hide();
14
15
16                let acceptPrivacyPolicy = $root.find("[js-accept-privacy-policy]").prop("checked");
17                if (!acceptPrivacyPolicy) {
18                    $root.find("[js-checkbox-error]").show();
19                    //return;
20                } else {
21                    $root.find("[js-checkbox-error]").hide();
22                }
23
24                let emailAddress = $root.find("[js-email-address]").val();
25                if (emailAddress === "") {
26                    $root.find("[js-emailaddress-error]").show();
27                    return;
28                }
29
30                if (emailAddress !== "" && acceptPrivacyPolicy) {
31                    let listId = $root.data("list-id");
32                    $.post("/umbraco/api/NewsletterApi/Add", { emailAddress: emailAddress, acceptPrivacyPolicy: acceptPrivacyPolicy, currentPageId: currentPageId, listId: listId }, function () {
33                        $root.find("[js-subscribed]").show();
34                        $root.find("form").hide();
35                    }).fail(function () {
36                        $root.find("[js-newsletter-error]").show();
37                    });
38                }
39            });
40        });
41    });
42
43})(window.jQuery);