Ars is reporting the 3.0 speed improvements to Mobile Safari's JavaScript engine range from 3x to 16x -- a blessed boon to web developers everywhere. No one seems to know if Mobile Safari will be sporting Nitro or SquirrelFish or what, but whatever it is, it'll be faster. If you check out the benchmarks originally posted on Wayne Pan's blog, iPhone OS 3.0 blazes past 2.2 in every category except divisions (the benchmarking tools are available at Craig Hockenberry's blog here).It's nice to see progress, but I don't think anyone expected Apple to let the JS engine in Mobile Safari lay fallow for long. Every day browsers like Opera Mini and Android's WebKit-based browser are getting better. Heck, even WinMo's version of IE is supposed to support H.264, Flash and Silverlight. Will the upgraded js engine and technology like CSS3 and Canvas draw more developers to iPhone web apps? I doubt it, but the speed improvements will make many browser-based services feel more responsive. That's certainly a win for consumers.
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