Adding object to an existing object using Javascript [duplicate]

Question

I am looking for a solution in jQuery / javascript to add an object to an objectArray. In my object I have the object "objectArray". Inside of this elment is a dynamic number of other objects.

How can I add i.e. this object:

{
        "code": "7891",
        "items": {
          "attribute": "car",
        }

To the object Array without overwritting the frist element? To get this:

"objectArray": [
  {
    "code": "1234",
    "items": {
      "attribute": "House",
    }
  },
  {
    "code": "7891",
    "items": {
      "attribute": "car",
    }
  },
],

I used the way with arrays and JSON.stringify() but this doesn't work well.

sportzpikachu · Accepted Answer · 2020-04-01 11:15:36Z

2

You can do objectArray.push(object) which appends the object to the array.

More info on that here: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/push

answered Apr 1, 2020 at 11:15

sportzpikachu

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Comments

xdeepakv · Accepted Answer · 2020-04-01 11:20:27Z

-1

const data = [
  {
    code: "7891",
    items: {
      attribute: "car"
    }
  }
];
const res = [
  {
    code: "1233",
    items: {
      attribute: "car"
    }
  },
  ...data
];

//Or
const res2 = [
  {
    code: "1233",
    items: {
      attribute: "car"
    }
  }
].concat(data);

console.log(res, res2);

answered Apr 1, 2020 at 11:20

xdeepakv

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2 Comments

sportzpikachu Over a year ago

Please don't just provide code, but instead add a description to what it does.

xdeepakv Over a year ago

Understand. Thanks! But it was not push, upshift

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