A quick and dirty JavaScript speed test of the new iPad 2 gives an early indication of how the tablet’s processor, operating system and HTML improvements pay off in terms of performance. The test measured how fast the iPad 2’s Safari browser executed JavaScript. The faster a browser can process JavaScript, the faster and smoother even complicated Web sites will appear to run on your tablet or smartphone. Apple’s iOS 4.3 iOS version will be released for existing iPads, iPhone 4 and iPhone 3GS models on March 11.”]