The iPhone's poor JavaScript performance
No one expected the iPhone to deliver desktop-class performance with regard to Web-based applications, but JavaScript speed on the iPhone is downright sluggish in most respects -- a frustrating fact given that AJAX is the only current method for building dynamic third-party applications for the iPhone.
Celtic Kane online offers a Javascript benchmark that tests various Javascript functions: Try/Catch with errors, Layer movement, Random number engine, Math engine, DOM speed, Array functions String functions and Ajax declaration. In our informal tests, a MacBook Pro running at 1.83GHz with Mac OS X 10.4.10 and the Safari 3.… Read more