How to detect whether a headphone is inserted or removed in JavaScript?

Is there any event in JavaScript, I can listen to in browser, through which we can know whether headphones are inserted or removed?

I assume if we are able to iterate over devices of audio output in JavaScript, is there a possibility, we can deduct the change in the number of audio output devices?

Answers:

Answer

You can use the following: https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices

example:

navigator.mediaDevices.addEventListener('devicechange', () => {
  // Do whatever you need to with the devices
  // Maybe use enumerateDevices() to see what connected
});

You could check the devices already connected from the following or call it on devicechange:

navigator.mediaDevices.enumerateDevices()
  .then(devices => {
    // Check the connected devices
    console.log(devices);  
  });
Answer

I am using phone-gap plugin for the same

HTML:

<button class="button button-stable" ng-click="checkHeadphone()">

JS:

$scope.checkHeadphone = function () {
        window.plugins.headsetdetection.detect(function (detected) {
            alert("Headphone " + detected)
        })
    }

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