Delete array object in java script

Question

I have an array of object and it looks like this, I want to remove attributeType object and get a new one. How can I delete object in array?

{
    "id": 2,
    "version": 1,
    "name": "test",
    "attributeInputs": {
        "0": {
            "id": 4,
            "position": 0,
            "label": "display",
            "attributeType": {
                "id": 3,
                "label": "Input",
                "fieldType": "TEXT"
            },
        },
        "1": {
            "id": 5,
            "position": 3,
            "label": "price",
            "attributeType": {
                "id": 5,
                "label": "Price",
                "fieldType": "PRICE"
            },
        }
    }
}

I would like delete AttributeType and it should look like this:

{
    "id": 2,
    "version": 1,
    "name": "test",
    "attributeInputs": {
        "0": {
            "id": 4,
            "position": 0,
            "label": "display",
        },
        "1": {
            "id": 5,
            "position": 3,
            "label": "price",
        }
    }
}

There's no array in your question.

Andreas
– Andreas

2022-07-01 15:25:08 +00:00
Commented Jul 1, 2022 at 15:25 — Andreas
– Andreas, Commented Jul 1, 2022 at 15:25
Working with objects - JavaScript | MDN

Andreas
– Andreas

2022-07-01 15:25:45 +00:00
Commented Jul 1, 2022 at 15:25 — Andreas
– Andreas, Commented Jul 1, 2022 at 15:25

Anurag Srivastava · Accepted Answer · 2022-07-01 15:25:17Z

1

You can use Object.keys() on the attributeInputs field and delete the key attributeType:

const obj = {
    "id": 2,
    "version": 1,
    "name": "test",
    "attributeInputs": {
        "0": {
            "id": 4,
            "position": 0,
            "label": "display",
            "attributeType": {
                "id": 3,
                "label": "Input",
                "fieldType": "TEXT"
            },
        },
        "1": {
            "id": 5,
            "position": 3,
            "label": "price",
            "attributeType": {
                "id": 5,
                "label": "Price",
                "fieldType": "PRICE"
            },
        }
    }
}

Object.keys(obj.attributeInputs).forEach(o => delete obj.attributeInputs[o].attributeType )

console.log(obj)

answered Jul 1, 2022 at 15:25

Anurag Srivastava

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1 Comment

Andreas Over a year ago

You haven't found a similar "how to delete a property of an object" question here on SO? A mystery...

Ayoub Mabrouk · Accepted Answer · 2022-07-01 15:58:35Z

0

first, let's store the object in a variable called myObject. now let's work on the variable myObject.

myObject.attributeInputs = Object.keys(myObject.attributeInputs).map(key=>{
    const {attributeType,...newObj}=myObject.attributeInputs[key];
    return newObj;
});

it's not clean code, but it works.

edited Jul 1, 2022 at 15:58

answered Jul 1, 2022 at 15:49

Ayoub Mabrouk

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