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This isn't entirely correct. If you're just talking about enhancing a web page, then ok sure Javascript is more widely used. However, if you're talking about building Rich Internet Applications, Flex is many lightyears ahead of what JavaScript has to offer.

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How so? I mean, what can you accomplish with Flex that you can't also accomplish with modern javascript frameworks?

I never truly understood what Flex is all about. Could someone please elaborate?

Try out some of the example applications at http://degrafa.org/samples/ and try to guess how long it would take you to write those samples using modern javascript frameworks vs how long it would take to write using Flex/Flash.

Sure. But comparatively few of those samples represent things that you would actually want to use in the real world, while there is a lot of overly shiny eye-candy, poor user interfaces and non-native widgets - things that Flash has always been notorious for.

Flash has always served a niche for what HTML and JavaScript can't easily do; the problem is that over time this is diminishing, and it's looking like over the long term Canvas and SVG will be one more nail in the coffin.

Flex is many lightyears ahead of what JavaScript has to offer.

Then why are there overwhelmingly more Javascript apps than Flash ones?

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