Method isJson

ruilanCar.js:338–341

(obj)

            }
        }
        isJson(obj) {
            var isjson = typeof (obj) == "object" && Object.prototype.toString.call(obj).toLowerCase() == "[object object]" && !obj.length;
            return isjson;
        }
        async sendMsg(message) {
            if (!message) return;
            if ($.isNode()) {