iOS 5 finally brings Nitro JavaScript speed to home screen Web appsApple brought huge JavaScript performance improvements to Mobile Safari in March of this year, but those benefits didn't extend to Web apps saved to a user's home screen. iOS 5 will remedy that situation, however, finally putting home-screen Web apps on equal performance footing with those that run in the browser. Apple brought its Nitro JavaScript engine to Mobile Safari as part of iOS 4.3. Nitro
