A coworker of mine recently sent me a link to a website that showcased what CSS is capable of doing in terms of mimicking Javascript rollovers and basic behaviours. Although the site did appear to work as stated, I opened up the source code to discover extraneous hidden HTML markup that littered the page. With this new information, I’d have to say that the CSS didn’t work as stated.
CSS is supposed to contain the presentation markup. Javascript holds the behavioural scripting. HTML holds the content. When CSS is used to replace Javascript by means of littering on the page content, this becomes a hack. Using HTML and CSS to create behavioural hacks to do what Javascript can easily do. It’s a cool concept to execute, a poor architecture for implementation.
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