December 2014
Intermediate to advanced
346 pages
6h 14m
English
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Configuring and using AngularJS events
AngularJS offers a powerful event infrastructure that affords you the ability to control the application in scenarios where data binding might not be suitable or pragmatic. Even with a rigorously organized application topology, there are lots of applications for events in AngularJS.
How to do it…
AngularJS events are identified by strings and carry with them a payload that can take the form of an object, a function, or a primitive. The event can either be delivered via a parent scope that invokes $scope.$broadcast(), or a child scope (or the same scope) that invokes $scope.$emit().
The $scope.$on() method can be used anywhere a scope object can be used, as shown here:
(app.js) angular.module('myApp', []) .controller('Ctrl', ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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