Google Analytics Script Code

<!-- Insert this script before the closing tag </body> -->
<!-- The {wz_metric} token is used for substituting the Analytics code. Make sure that the token and the text in which it is written are separated by at least one space character. -->

<script>
(function () {
function ChangeLinkWA() {
this.text = "Здравствуйте! Номер моей заявки: {wz_metric}";
this.cookieSource = "_ga";
}

ChangeLinkWA.prototype.editLink = function (url, id) {
if (
decodeURIComponent(url.split("text=")[1]) ===
this.text.replace(/{wz_metric}/gi, id)
)
return;
var regexNumberPhone = /\d+/;
if (!regexNumberPhone.test(url)) return;
var phone = url.match(regexNumberPhone)[0];
var host = url.split(phone)[0];
var newUrl =
host === "https://wa.me/"
? host.toString()+phone.toString()+"?text="+(this.text.replace(/{wz_metric}/gi, id))
: host.toString()+phone.toString()+"&text="+(this.text.replace(/{wz_metric}/gi, id));
return newUrl;
};

ChangeLinkWA.prototype.getCookie = function (name) {
var cookie = document.cookie;
var matches = cookie.match(
new RegExp(
"(?:^|; )"+(name.replace(/([.$?*|{}()[]\/+^])/g, "\\\"))+"=([^;]*)"
)
);
return matches ? decodeURIComponent(matches[1]) : undefined;
};

ChangeLinkWA.prototype.censusLinks = function () {
var links = document.querySelectorAll(
'[href*="//wa.me"], [href*="//api.whatsapp.com/send"], [href*="//web.whatsapp.com/send"], [href^="whatsapp://send"]'
);
var id = this.getCookie(this.cookieSource);
var that = this;
links.forEach(function (link) {
var newLink = that.editLink(link.href, id);
if (newLink) link.href = newLink;
});
};

window.addEventListener("DOMContentLoaded", function () {
if (!(window.__wz_scripts && window.__wz_scripts.scriptsChangeLinkWA)) {
if (!window.__wz_scripts) window.__wz_scripts = {};
window.__wz_scripts.scriptsChangeLinkWA = new ChangeLinkWA();
var interval = setInterval(function () {
var id = window.__wz_scripts.scriptsChangeLinkWA.getCookie(
window.__wz_scripts.scriptsChangeLinkWA.cookieSource
);
if (id) {
clearInterval(interval);
window.__wz_scripts.scriptsChangeLinkWA.censusLinks();
}
}, 200);
}
});
})();
</script>