GolanTelecom savePhoneNumber.

<script>
    (function() {
        function checkPhoneInput() {
            var phoneNumberInp1 = document.querySelector('#phoneNumberCtrl');
            if (phoneNumberInp1 && !window.phoneNumberInpExist) {
                window.phoneNumberInpExist = true;
                observer.disconnect();
                phoneNumberInp1.addEventListener('input', function() {
                    window.localStorage.setItem('ADORIC_userPhone', phoneNumberInp1.value);
                });
            }
        }
        var targetNode = document.querySelector('body');
        var config = {
            attributes: true,
            childList: true,
            subtree: true
        };
        var callback = function(mutationsList, observer) {
            for (var i=0; i < mutationsList.length; i++) {
                if (mutationsList[i].type === 'childList') {
                    checkPhoneInput();
                }
            }
        };
        var observer = new MutationObserver(callback);
        observer.observe(targetNode, config);
    })();
</script>