Push multiple json array - javascript

Question

I have 2 json object. i need to push inside array like this. Later i need to store the complete object in localstorage

function(cObj,bObj) { }

First array i should get.

object
        localArray: Array[2]
            cObj
                ....
            bObj

Again when the function is called, i should get

object
        localArray: Array[2]
            cObj
                ....
            bObj
        localArray: Array[2]
            cObj
                ....
            bObj

This is what i am doing.

localObj = {}
localObj.localArray = [];   


localObj.localArray.push(cObj,bObj);
localStorage.localObj = JSON.stringify(localObj);

How to store the complete object in localstorage?

"Again when the function is called, i should get..." Keys in an object are unique, hence the structure shown isn't possible. — Andreas
– Andreas, Commented Feb 21, 2017 at 6:12

Jonathan Portorreal · Accepted Answer · 2017-02-21 07:31:43Z

The keys in your object should be unique so if you want something like this

object
    localArray: Array[2]
        cObj
            ....
        bObj
    localArray: Array[2]
        cObj
            ....
        bObj

The closest you're going to get to this, is with an object like that has an array of objects which encompass the key you would originally want to have repeated that can't be repeated because keys in an object should be unique:

cObj = {
  key: value
};

bObj = {
  key: value
};

// your local object would look like this 

{
  data: [
    {
      localArray: [
        cObj,
        bObj
      ]
    },
    {
      localArray: [
        cObj,
        bObj
      ]
    },
    ...
  ]
}

You could then just use the following code to update this object:

localObj.data.push({localArray: [cObj,bObj]});

And you would use it like this in your function:

localObj = {}
localObj.localArrays = [];

localObj.localArrays.push({
  localArray: [cObj, bObj]
});
localStorage.localObj = JSON.stringify(localObj);

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