I have an object like below but i am not sure how to check the empty condition
My object,

```
 "general_info" : {
    "parents_name" : "",
    "date_of_birth" : "",
    "second_day_attendance" : "",
    "class_day" : "",
    "reffered_by" : "",
    "year" : "",
    "amount_paid" : "",
    "next_due" : "",
    "payment_untill" : "",
    "payment_made" : ""
},

    if(general_info == ''){
      alert('empty')
    }

```

I know i am wrong can any one help me.Thanks.