function compareObj(lobj, robj, cb){
    if (typeof lobj != typeof robj){
        return cb(null, false);
    }
    if (typeof lobj == 'object'){
        if (lobj instanceof Array && !robj instanceof Array){
            return cb(null, false);
        }
        if (!lobj instanceof Array && robj instanceof Array){
            return cb(null, false);
        }
        if (lobj instanceof Array && robj instanceof Array){
            if (lobj.length != robj.length){
                return cb(null, false);
            }
            else{
                let compareResult = true;
                for (let idx in lobj){
                    compareObj(lobj[idx], robj[idx], (err, result) => {
                        if (!result){
                            compareResult = result;
                        }
                    })
                    if (compareResult == false){
                        break;
                    }
                }
                return cb(null, compareResult);
            }
        }
        else{
            let compareResult = true;
            for (let key in lobj){
                if (!key in robj){
                    compareResult = false;
                    break;
                }
                else{
                    compareObj(lobj[key], robj[key], (err, result) => {
                        if (!result){
                            compareResult = result;
                        }
                    })
                }
                if (compareResult == false){
                    break;
                }
            }
            return cb(null, compareResult);
        }
    }
    else{
        return cb(null, lobj === robj);
    }
}