https://ciaoankit.github.io/js/gtag.js

1/* This function will load script and call the callback once the script has loaded */
2function loadScriptAsync(scriptSrc, callback) {
3    if (typeof callback !== 'function') {
4        throw new Error('In gtag.js: Not a valid callback for async script load.');
5    }
6    var script = document.createElement('script');
7    script.onload = callback;
8    script.src = scriptSrc;
9    document.head.appendChild(script);
10}
11
12/* This is the part where you call the above defined function and "call back" your code which gets executed after the script has loaded */
13loadScriptAsync('https://www.googletagmanager.com/gtag/js?id=UA-87653100-1', function(){
14    

14window.dataLayer = window.dataLayer || [];
15    function gtag(){dataLayer.push(arguments);}
16    gtag('js', new Date());
17
18    gtag('config', '

18UA-87653100-1

18', { 'anonymize_ip': true });

19})
20
21
22/*
23  <!-- Global site tag (gtag.js) - Google Analytics -->

23
24  <script async src="https://www.googletagmanager.com/gtag/js?id=

24UA-87653100-1

24"></script>
25  

25<script>
26    

26window.dataLayer = window.dataLayer || [];
27    function gtag(){dataLayer.push(arguments);}
28    gtag('js', new Date());
29
30    gtag('config', '

30UA-87653100-1

30', { 'anonymize_ip': true });
31  

31</script>
32*/