angularjsHow do I add an event listener in AngularJS?
To add an event listener in AngularJS, you can use the $on
function. This function takes two parameters, the event name and a callback function. The callback function will be executed when the event is triggered.
// example
$scope.$on('eventName', function(event, args) {
// do something
});
The callback function will receive an event object and an argument object. The argument object contains the data associated with the event.
Code explanation
$scope.$on
: This is the function used to add an event listener in AngularJS.'eventName'
: This is the name of the event that will be triggered.function(event, args)
: This is the callback function that will be executed when the event is triggered. It receives an event object and an argument object.event
: This is the event object that is passed to the callback function.args
: This is the argument object that is passed to the callback function. It contains the data associated with the event.
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