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Is there a SASS.js? Something like LESS.js?
I'd like to build prototyping html page that allows editing code, just like jsfiddle or jsbin. And I don't want to run any conversions on server side, because prototyping means quickly hacking something together, with no network dependency: think of typing on your iPad while sitting on a bus in Siberia with no network for 100 km in any direction and with wild bears around.
To convert coffeescript to js there is coffeescript compiler that runs right in browser, so I can write type="text/coffeescript" and forget about conversion until deployment.
Is there similar tool for Sass to support type="text/sass" or am I stuck with Css?