Why is AngularJS $event undefined when passed in function and UI?

After creating a function that I've used multiple times in the past, I passed in $event via the controller as well as in the element's function call in the HTML for an ng-change event. However, I'm getting an error saying that $event is undefined in all browsers.

Here's how it looks in the code:

<select data-ng-change="determineAbsenceInputs($event)"

In the JavaScript file:

$scope.determineAbsenceInputs = function($event) {
    console.log($event.target);
}

I've created similar functions before and they worked fine, allowing me to reference the event target and its attributes. It's puzzling why this particular function is causing issues. You can also view the issue on JSFiddle here: http://jsfiddle.net/ADukg/16190/.

Answer №1

Referenced from issue

The ng-change directive is not specifically for handling the change event (despite its misleading name). It actually triggers when ngModelController.$setViewValue() function is called and the value changes. This behavior is due to ng-change adding a listener to the $viewChangeListeners collection, so it operates as intended.

It is recommended to use ng-model instead

  <select data-ng-change="determineAbsenceInputs(selectedAbsenceType)" data-ng-model="selectedAbsenceType" id="absenceTypeSelect" name="absenceTypeSelect" material-select watch class="validate" required>

VIEW DEMO

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