Question

163

Get all keys of a deep object in Javascript

rated 0 times [ 164] [ 1] / answers: 1 / hits: 16545 / 7 Years ago, wed, march 8, 2017, 12:00:00

I have the following object:

var abc = {

    1: Raggruppamento a 1,

    2: Raggruppamento a 2,

    3: Raggruppamento a 3,

    4: Raggruppamento a 4,

    count: '3',

    counter: {

        count: '3',

    },

    5: {

        test: Raggruppamento a 1,



        tester: {

            name: Georgi

        }

    }

};

I would like to retrieve the following result:

abc[1]

abc[2]

abc[3]

abc[4]

abc.count

abc.counter.count

abc[5]

abc[5].test

abc[5].tester

abc[5].tester.name

is that possible using nodejs maybe with the help of plugins?

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marcelofrankiea

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3 Years ago

answered 7 Years ago jaelyn · Accepted Answer

You can do this by recursively traversing the object:

function getDeepKeys(obj) {

    var keys = [];

    for(var key in obj) {

        keys.push(key);

        if(typeof obj[key] === object) {

            var subkeys = getDeepKeys(obj[key]);

            keys = keys.concat(subkeys.map(function(subkey) {

                return key + . + subkey;

            }));

        }

    }

    return keys;

}

Running getDeepKeys(abc) on the object in your question will return the following array:

[1, 2, 3, 4, 5, 5.test, 5.tester, 5.tester.name, count, counter, counter.count]