Push nested object to array

Question

how to push nested json object into array. This is sample json object. Assume I have 100 GROUP.

data="result": {
    "GROUP_A": {
        "statistics": {
            "year2000": 8666,
            "year2001": 1213,
            "year2002": 123,
        },
        "trending": {
            "year2000": 90,
            "year2001": 78,
            "year2002": 86,
        }
    }
    "GROUP_B": {
        "statistics": {
            "year2000": 43223,
            "year2001": 4234,
            "year2002": 124343,
        },
        "trending": {
            "year2000": 34,
            "year2001": 43,
            "year2002": 45,
        }
    }
}

Example output is below:

"result": [{
    "GROUP_A": [{
        "statistics": {
            "year2000": 8666,
            "year2001": 1213,
            "year2002": 123,
        },
        "trending": {
            "year2000": 90,
            "year2001": 78,
            "year2002": 86,
        }
    }]
    "GROUP_B": [{
        "statistics": {
            "year2000": 43223,
            "year2001": 4234,
            "year2002": 124343,
        },
        "trending": {
            "year2000": 34,
            "year2001": 43,
            "year2002": 45,
        }
    }]
}]

I have no idea to do. If simple object I can push like this:

var arr=[];

arr.push(data);

Reason to push into array because the key object for group is dynamic. I want to use group for filtering data.

theblindprophet · Accepted Answer · 2016-04-05 04:14:09Z

I did this two different ways:

Create an array of objects, which is common

var array = [];

// ARRAY OF OBJECTS
for(i in data) {
    // Create new array above and push every object in
    array.push(data[i]);
}
console.log(JSON.stringify(array));

The way you wanted (Object with array that has arrays has objects)

// OBJECT OF ARRAYS OF ARRAYS
var result = data["result"];
// Create head of object, "result"
var obj = {"result":[]};
var smallObj = {};
// Push objects inside array
for(i in result) {
    var smallArray = [];
    smallArray.push(result[i]);
    // Store that array onto array og objects, which in this case is array of arrays of objects
    smallObj[i] = smallArray;
}
// Final result
obj["result"].push(smallObj);
console.log(JSON.stringify(obj));

Here is the JSFiddle so you can see the stringified version printed in the console: https://jsfiddle.net/0Loh0ucm/

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