Where SAPUI5 excels is in providing an easy and consistent way to interact with SAP based backends. Anyone who has tried to do this with other frameworks will appreciate the complexity, SAP themselves have used and are using SAPUI5 for developing many application across the globe. It has been used in anger and been proven to be very extensible and scalable, the kind of things you look for as a Enterprise Developer.
Would hope in time we see a proper comparision like in http://coding.smashingmagazine.com/2012/07/27/journey-throug...
Where SAPUI5 excels is in providing an easy and consistent way to interact with SAP based backends. Anyone who has tried to do this with other frameworks will appreciate the complexity, SAP themselves have used and are using SAPUI5 for developing many application across the globe. It has been used in anger and been proven to be very extensible and scalable, the kind of things you look for as a Enterprise Developer.