Default JS in WinJS

winjs.js

/*
args.detail.kind : shows the way the app was activated- value comes from the Windows.ApplicationModel.Activation.- ActivationKind enumeration.
    		== launch : when it comes from the Start screen
Windows.ApplicationMode.- Activation.ApplicationExecutionState enumeration tells the app how it was last running.
 */

// Note (function () { … })(); module pattern

(function (){ 
	"use strict"; 

	var app = WinJS.Application; 
	var activation = Windows.ApplicationModel.Activation; 

	app.onactivated = function (args) { 
		if (args.detail.kind === activation.ActivationKind.launch) { 
			if (args.detail.previousExecutionState !== 
				activation.ApplicationExecutionState.terminated) { 
				// TODO: This application has been newly launched. Initialize 
				// your application here. 
				} else { 
				// TODO: This application has been reactivated from suspension.
				// Restore application state here. 
				} 
				
				args.setPromise(WinJS.UI.processAll()); 
				/*
				data-win-control :  WinJS.UI.processAll instantiates any WinJS controls that are declared in HTML.
				data-win-bind : processed by WinJS.Binding.processAll
				data-win-res : processed by WinJS.Resources.processAll
				 */
			} 
		}; 

		app.oncheckpoint = function (args) { 

		}; 

		app.start(); 
		/*
		It makes sure that various events that were queued during startup get processed.
		 */
})();