how to solve problem getting json object element

Question

I have a json object that i want to use.

    {
    "type": "PROVIDER_PAYLOAD",
    "message": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6IjVkOTQ3OTg4N2RlMGRkMDc4ZjEzM2FmNyIsImVtYWlsIjoiYWxzb25nZHVuc3RhbjJAZ21haWwuY29tIiwicm9sZSI6IkNVU1RPTUVSIiwiaWF0IjoxNTcwMDI3MDA4fQ.FcpoBPmhTSX535bNgE2ezCCWsNFPjEhc87hM4y6WadM"
}

so when i try to access it using

console.log("Postback: " + payload.type)

but i get an error of

Postback: undefined

i have looked over some resources on the web and most of them do it this way and it works but i am not sure why mine is not giving the value for type thanks in advance

Better Use JSON.parse(payload) before accessing the keys.

Shubham Dixit
– Shubham Dixit

2019-10-02 14:58:55 +00:00
Commented Oct 2, 2019 at 14:58 — Shubham Dixit
– Shubham Dixit, Commented Oct 2, 2019 at 14:58
@Shubh yah it has worked

mikayiri
– mikayiri

2019-10-02 15:22:14 +00:00
Commented Oct 2, 2019 at 15:22 — mikayiri
– mikayiri, Commented Oct 2, 2019 at 15:22

Saqib · Accepted Answer · 2019-10-02 15:17:42Z

1

Subh is right. You have to parse the JSON into an object before accessing type using payload.type syntax.

So, let's say you have the following:

let payload = {
    "type": "PROVIDER_PAYLOAD",
    "message": "eyJhbGciOiJIUzWadM"
}

You have to convert it into a JS object using JSON.parse:

let payloadObj = JSON.parse(payload);

Now, if you do payloadObj.type, you should be fine.

console.log(payloadObj.type); // PROVIDER_PAYLOAD

It should work fine.

UPDATE: ERROR: SyntaxError: Unexpected token a in JSON at position 0

If you are getting this error, try following to Parse the payload.

let payloadObj = JSON.parse(JSON.stringify(payload))

It should solve the problem for you.

answered Oct 2, 2019 at 15:17

Saqib

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