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javascript push returning number instead of object

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Rbar :

I'm sure this is just some simple silly mistake that I'm missing, but can anyone tell me why 3 is being returned instead of [{ "method": 'popup', "minutes": ''}, {"method": 'email', "minutes": '10'}, {"method": 'popup', "minutes": '20'}];?

I made a jsfiddle so you can see as well: https://jsfiddle.net/qk10arb0/3/

HTML

<p>Click the button to add a new element to the array.</p>

<button onclick="addNewReminder()">Try it</button>

<p id="demo"></p>

Javascript

function addNewReminder(){
      var newReminder = {
        "method": 'popup',
        "minutes": '20'
      };

      var reminders = [{
                "method": 'popup',
                "minutes": ''
              }, {
                  "method": 'email',
                  "minutes": '10'
              }];

    reminders = reminders.push(newReminder);
    document.getElementById("demo").innerHTML = reminders;
}

Thanks!!!

kind user :

Array#push method works in situ, you don't have to assign it to a new variable. It won't return a new array, but will modify the original one and will return it's length. That's why you are getting 3 as the result.

To get the desired result, just call it, without assigning to any variable:

reminders.push(newReminder);

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