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Thanks all, but I didn't intend to publish this just yet. :D I'm still gathering data (Windows, netbooks, etc). If you'd like to help, please drop me a line at carlos [a] bueno [d] org.

>But how many milliseconds does it take the user's computer to parse and load your code once it's arrived?

Aristus my guess is that the tests need a bit more thought to investigate the time it takes also to manipulate the dom + doc.write, operations which are both notoriously slow. Load time will also depend on the server you are using even for local host and its own garbage collection.

Nice tests though. Will give it a try on my machine, when I get a bit of time.

You must be specific what exact browser version and OS you used. Otherwise those numbers mean nothing.

A Javascript benchmark without IE seems incomplete.

Just find the slowest numbers of the graph and multiply them by 100.

Actually, the last time I did a lot of measuring, Firefox was slower for our app than IE. Admittedly this was a few releases of Firefox ago (FF3 was significantly slower than FF2 as well). I'm no fan of IE, but it isn't nearly as universally bad as the web dev community says it is, and generalizations are risky.

Computer programs use memory? Inconceivable!

A Hidden Cost of Javascript