How read keys in JSON?

Question

How read dynamic keys in JSON , NodeJs and or JQuery and or JavaScript?

I did not find. I did try.

Need find out name keys, and read values.

Keys dynamic

{
  "marka1": {
    "name": "Mika",
  },
  "beti1": {
    "name": "Yii",
  }
}

Object.keys(obj) gives a list of the keys of obj. – morsecoder Jan 15 '16 at 19:16 — morsecoder, Jan 15 '16 at 19:16
wow...how hard is it to search `javascript object keys`?? – charlietfl Jan 15 '16 at 19:18 — charlietfl, Jan 15 '16 at 19:18
@charlietfl I did not find. I did try – Юрий Светлов Jan 15 '16 at 19:23 — Юрий Светлов, Jan 15 '16 at 19:23
@Yottatron How read field 'name' ? – Юрий Светлов Jan 15 '16 at 20:29 — Юрий Светлов, Jan 15 '16 at 20:29
@FiR what are you doing with those edits ? – Hacketo Mar 16 '16 at 14:14 — Hacketo, Mar 16 '16 at 14:14

score 5 · Accepted Answer · answered Jan 15 '16 at 19:16

5

Need find out name keys, and read values.

var obj = {
  "marka1": {
    "name": "Mika",
  },
  "beti1": {
    "name": "Yii",
  }
};

you can get the keys inside this object by

var keys = Object.keys( obj);
console.log(keys);

now you can iterate this keys array to get values of each property.

answered Jan 15 '16 at 19:16

gurvinder372

How read field 'name' ? I try ||| var obj = JSON.parse(obj); var keys = Object.keys(obj); obj.keys[0].name ||| but give errors – Юрий Светлов Jan 15 '16 at 20:32

erichardson30 · Answer 2 · 2016-01-15T19:23:20.333

0

The "key" should be a property of the object and not the name of the object. The data structure should look more like :

[ { key : "marka1", name : "Mika" } ]

With it being an array of objects, this will allow you to reference the key of each object.

edited Jan 15 '16 at 19:23

answered Jan 15 '16 at 19:18

erichardson30

1

what's wrong with object shown? This doesn't answer problem of unknown key names and there are lots of use cases for dynamically generating unknown object key names – charlietfl Jan 15 '16 at 19:20
1

@charlietfl updated answer – erichardson30 Jan 15 '16 at 19:23
Object.keys() - good worked!) Ty) – Юрий Светлов Jan 15 '16 at 19:24

2 Answers2