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Firefox will turbocharge javascript in version 3.1

Firefox will turbocharge javascript in version 3.1


The next version of Firefox, 3.1, will include a new JavaScript execution engine that will drastically speed up the interpretation of this type of code. Dubbed “tracing”, the new technology being developed will allow javascript to run between 20 and 40 times faster.

Basically the technology consists of precompiling certain parts of the code to have it ready in case it is necessary.

The new technique is also being integrated into Tamarin, the future Javascript execution engine that is still in its early stages and will not arrive until Firefox 4.

Apple has been working on something similar for some time now thanks to its SquirrelFish engine, which will also be included in the future Safari 4 but whose first impressions have been very positive. It seems that both browsers will be one step ahead of the others (IE, Opera) when it comes to working with web applications that make heavy use of Javascript, although Microsoft is putting a lot of effort into Internet Explorer 8 to match its competitors.

  Mozilla extends support for Firefox 1.5

Source and more information at: Muy computer