ElementById('fname');
        var lNameTextField = document.getElementById('lname');
        var clickevent = window.ontouchend ? 'touchend' : 'click';
     
        updateNativeBtn.addEventListener(clickevent, function (evt) {
            evt.preventDefault();
            nativeBridge.invoke('updateNames', {
                fname: fNameTextField.value,
                lname: lNameTextField.value
            });
        });
     
     
        window.setNames = function (names) {
            fNameTextField.