Using $rootScope.$emit() As A Performance Optimization In AngularJS
Yesterday, I looked at how to create a simple modal window system in AngularJS. In that exploration, I used the $rootScope to bridge the gap between the modal Service and the modal directive. In the past, I've used the same approach to bridge the gap between a global uploader service and its Plupload directive. As it turns out, the scope tree acts as a wonderful pub/sub (Publish and Subscribe) mec
Understanding Angulars $scope and $rootScope event system $emit, $broadcast and $on - Ultimate Courses
Angular’s $emit, $broadcast and $on fall under the common “publish/subscribe” design pattern, or can do, in which you’d publish an event and subscribe/unsubscribe to it somewhere else. The Angular event system is brilliant, it makes things flawless and easy to do (as you’d expect!) but the concept behind it isn’t so simple to master and you can often be left wondering why things don’t work as you
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