CSS3 vs JavaScript

CSS3 and JavaScript used to be two wholly different beasts. CSS was strictly limited to controlling the style of your content, while JavaScript enabled us to control some behavioural elements on the page. But now we’ve got CSS3, which is this crazy, exciting thing that enables you to easily add rounded corners and text-shadows to your page’s bag o’ tricks.

CSS3 puts much more power in your hands and has added some features that move it from ‘styling’ into the behaviour layer, which has ruffled some feathers. Many people strongly believe that CSS should only control aesthetic styles, while others argue that behavioural interactions can fall under the umbrella of a site’s ‘style’. I’m still on the fence, but I’d like to discuss some advantages and disadvantages of both in respect to this area where they overlap: the behaviour layer. So let’s go for it.

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