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In Projects, you can keep track of your progress as you go throught the tasks. Check each item as you complete it!
The template uses Angular's built-in ng-click directive. When the button is clicked, ng-click will tell AngularJS to run the download() function in the directive.
The download() function uses the scope.installed property to check if an app is installed. When an app is installed, download() does three things:
.btn-active classscope.installed to true