Nested Json Access Value

Question

Here is my Json-String:

{
    "batchcomplete":"",
    "query":{
        "pages":{
            "104352":{
                "pageid":104352,
                "ns":0,
                "title":"student"
            }
        }
    }
}

I want to access tha first number, in this example "103452", not the on after pageid, although they always should be the same. I tried the following until know, but don´t get why it wont work.

JSONName.query.pages;

it always returns me Object object.

There's no such thing as a JSON Object – JSON is always a string. — Mulan
– Mulan, Commented Jun 17, 2018 at 19:28
You can use Object.entries, Object.keys or Object.values to iterate through an object — Mulan
– Mulan, Commented Jun 17, 2018 at 19:31

Jordan Soltman · Accepted Answer · 2018-06-17 19:33:36Z

2

Assuming you have a JavaScript object you can get the keys of an object which would contain your string.

const obj = {
  "batchcomplete": "",
  "query": {
    "pages": {
      "104352": {
        "pageid": 104352,
        "ns": 0,
        "title": "student"
      }
    }
  }
}

// Get the keys for pages
const keys = Object.keys(obj.query.pages);

// Print out the first key
console.log(keys[0]);

answered Jun 17, 2018 at 19:33

Jordan Soltman

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Comments

Slai · Accepted Answer · 2018-06-17 19:55:48Z

0

Might be easier to find it during the parsing:

var n, j = '{"batchcomplete":"","query":{"pages":{"104352":{"pageid":104352,"ns":0,"title":"student"}}}}';

var result = JSON.parse(j, (key, value) => (n = n || +key, value));

console.log( n ); console.log( result );

edited Jun 17, 2018 at 19:55

answered Jun 17, 2018 at 19:40

Slai

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