Adwords Phone Replacement

adwordsPhoneReplacement.html

<script type="text/javascript">
    (function() {
        var pageId = Date.now();
        var trackedAdwords = false;

        var tracker = {
            track: function () {
                if (trackedAdwords) {
                    return;
                }

                var isAdwords = window.localStorage.getItem('isAdwords');

                if (isAdwords === 'true') {
                    trackedAdwords = true;
                }

                $.ajax({
                    type: "POST",
                    url: 'https://api.cocounselor.com/api/track/' + window.location.host + '/' + pageId,
                    data: {
                        url: window.location.href,
                        referer: document.referrer,
                        user_agent: navigator.userAgent,
                        page_id: pageId,
                        is_adwords: isAdwords,
                    },
                });
            }
        }

        document.addEventListener("DOMContentLoaded", function(event) {
            if (location.search.match('gclid=')) {
                window.localStorage.setItem('isAdwords', 'true');
            }

            if (window.localStorage.getItem('isAdwords') === 'true') {
                var phoneNumbers = document.querySelectorAll('[data-adwords-phone]');

                for (i = 0; i < phoneNumbers.length; i++) {
                    var node = phoneNumbers[i];
                    var phoneNumber = node.getAttribute('data-adwords-phone');
                    var telNumber = 'tel:' + phoneNumber.replace(/\(|\)|-/g, '');
                    $(node).text(phoneNumber);
                    $(node).attr('href', telNumber);
                }

                tracker.track();
            }
        });

        tracker.track();
    })()
</script>

sampleUsage.html

<span data-adwords-phone="(800) 530-9705" class="line-1 g-call-track">(770) 217-4954</span>
<span data-adwords-phone="(800) 530-9705" itemprop="telephone" class="g-call-track">(770) 217-4954</span>