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If you feel like providing any more color beyond your vote, your impressions after using CoffeeScript in anger -- I'd love to hear 'em.
It's amazing what a more concise and logical syntax can do. While I think the language isn't perfect, it does just enough clean up on Javascript to make a huge difference.
A trivial example (ignore style), project euler problem 1:
(x for x in [0..999] when x % 3 is 0 or x % 5 is 0).reduce (xs, x) -> xs + xThis is going to be a very interesting poll result. Even 5 or 10% penetration is something remarkable, for a language as widely-used as JavaScript. If you feel like providing any more color beyond your vote, your impressions after using CoffeeScript in anger -- I'd love to hear 'em.
BTW I love Backbone and Underscore and thanks to them (and also node) JS is actually more fun than ever.
I have nothing against CoffeeScript, and I've used it on a few things, but in general I find JS to be an enjoyable language to work in. If I had more issues with the syntax or something, I might find the switch to CoffeeScript worthwhile.
In practice, though, I frequently need/want to call a method as a callback. And inside that function, I might want to get something from whatever initiated the callback, and save it to the object I'm a method of. Ie, I want to access both forms of 'this'. So I still need to do the ;that = this' hack, ugly as it may be.
It would be super awesome if there was something that always referred to the topmost class object, and something else that always referred to the initiating object if one exists.
That said, I still like Coffeescript, was surprised to see how much Brenden Eich likes and supports the project at JSConf, and wouldn't be surprised if they addressed niggles like this in future.
This is going to be a very interesting poll result. Even 5 or 10% penetration is something remarkable, for a language as widely-used as JavaScript. If you feel like providing any more color beyond your vote, your impressions after using CoffeeScript in anger -- I'd love to hear 'em.
I'd like to see something like MileScript gain some traction--not to replace JavaScript, but as another tool in the toolbox. MileScript adds new value that you don't really get with plain JS; CoffeeScript doesn't.