[JQuery] Phone and Cellphone Mask

phone.js

        var $phone = $("#fos_user_registration_form_phone");
        var maskOptions = {onKeyPress: function(phone) {
            var masks = ['(00) 0000-0000', '(00) 00000-0000'];
            mask = phone.match(/^\([0-9]{2}\) 9/g)
                ? masks[1]
                : masks[0];
            $phone.mask(mask, this);
        }};

        $phone.mask('(00) 0000-0000', maskOptions);