How to merge two JSON arrays using JavaScript

I'm dealing with two JSON arrays:

firstArray = [{"quantity":"5","detailed_product_id":"1015","detailed_category_id":"9"}]

and

secondArray = [{"quantity":"2","detailed_product_id":"1003","detailed_category_id":"9"}]

I need to merge these arrays into one like this:

mergedArray = [{"quantity":"5","detailed_product_id":"1015","detailed_category_id":"9"},{"quantity":"2","detailed_product_id":"1003","detailed_category_id":"9"}]

Your assistance would be greatly appreciated.

Answer №1

var firstArray = [{"quantity":"5","detailed_product_id":"1015","detailed_category_id":"9"}]
var secondArray = [{"quantity":"2","detailed_product_id":"1003","detailed_category_id":"9"}]
console.log(firstArray.concat(secondArray));

Answer №2

To achieve this, you can take advantage of the new Es 6 feature:

array1=[{"quantity":"5","detailed_product_id":"1015","detailed_category_id":"9"}]

array2 = [{"quantity":"2","detailed_product_id":"1003","detailed_category_id":"9"}]

var combineJsonArray = [...array1, ...array2 ];

//the desired output would look like this [ {"quantity":"5","detailed_product_id":"1015","detailed_category_id":"9"},
  {"quantity":"2","detailed_product_id":"1003","detailed_category_id":"9"}]

Alternatively, you can insert additional strings or elements between two JSON arrays:

var array3= [...array1,"test", ...array2];

// the expected output should be:  [ {"quantity":"5","detailed_product_id":"1015","detailed_category_id":"9"},"test",
  {"quantity":"2","detailed_product_id":"1003","detailed_category_id":"9"}]

Answer №3

For combining arrays, utilize the concat function.

var resultarray = array1.concat(array2);

View the combined result below:

array1 = [{
  "quantity": "5",
  "detailed_product_id": "1015",
  "detailed_category_id": "9"
}];

array2 = [{
  "quantity": "2",
  "detailed_product_id": "1003",
  "detailed_category_id": "9"
}];

console.log(array1.concat(array2));

Answer №4

Consider using array.concat in this situation.

<!DOCTYPE html>
<html>

<head>
    <script>
        var data1 = [{
            "quantity": "5",
            "detailed_product_id": "1015",
            "detailed_category_id": "9"
        }];
        var data2 = [{
            "quantity": "2",
            "detailed_product_id": "1003",
            "detailed_category_id": "9"
        }]
        var newData = data2.concat(data1);
        console.log(newData)
    </script>
</head>

</html>

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