How to extract a json object that's inside a json object

Question

Convert this:

{\"items\":[{\"id\":\"BLE89-A0-123-384\",\"weight\":\"100\",\"quantity\":3},
          ...    
          {\"id\":\"BLE10-A0-123-321\",\"weight\":\"         


        

Answer 1

You need to do the following:

var newJSON = {};
for (var i = 0; i < oldJSON.items.length; i++) {
  newJSON[oldJSON.items[i].id] = oldJSON.items[i].quantity;
}