Pushing objects into Array

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1

Hi everyone !!!
Basically, I am having an array called ’ Recipients’.

let Recipients = [];

In the next step, I query my database and get all the items in the field ‘email’

 wixData.query("Subscribers")
        .isNotEmpty("email")
        .find()
        .then((res) => {
 let items = res.items;
 for (var i = 0; i < res.items.length; i++) {
                var arr = items[i].email;
            }
        });

After these steps, all I want to add the ‘arr’ to the ‘Recipients’ array but, like this form → 

Recipients = [
        {
          "key": "value"
        },
        {
          "key": "value"
        },
        {
          "key": "value"
        }
      ];

Any idea how to achieve this ??
Thanks !!!

2

I think the basic code is → 

let Recipients = [];
    Recipients.push({"key" : "value"});
3

Found the answer itself (Brain started working)

 var Recipients = [];
wixData.query("Subscribers")
        .isNotEmpty("email")
        .find()
.then((res) => {
 let items = res.items;
 for (var i = 0; i < res.items.length; i++) {
 var obj = {};
 var results = items[i].email;
                obj['key'] = results;
                Recipients.push(obj);
            }
});