Question

I want to build a script which get s a JSON and manipulates it.
I have one problem, i don’t know how to check if a certain value exists, for example:

i get this JSON when doing action 1:

{
 "url": "http://zuberi.me",
 "top": "true"
}

and when i do action 2:

{
 "url": "http://zuberi.me",
 "top": "true",
 "copy": "false"
}

so i want to check if “copy” is exists in the JSON response i get…

thanks in advance 🙂

Answer 1

if (typeof(json.copy) === 'boolean') {