Add changeVolume API - 03-factory-angularPlayer.js #36
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Decrease code redundancy by shifting changeVolume function to API. This make change global volume variable possible:
```js
angular.module('myApp')
.controller('myCtrl',
['$scope', 'angularPlayer', function($scope, angularPlayer){
angularPlayer.changeVolume(25);
}]);
```
| // chaning global variable too | ||
| volume = newVolume; | ||
| for(var i = 0; i < soundManager.soundIDs.length; i++) { | ||
| var mySound = soundManager.getSoundById(soundManager.soundIDs[i]); |
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Decrease code redundancy by shifting changeVolume function to API. This makes change of global volume variable possible: