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20160904-5 选题
@wxy 文中3个动态图怎么处理？
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The State Of JavaScript: JavaScript Flavors
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===========
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One thing that distinguishes JavaScript from other programming languages is that JavaScript isn’t just one language: it’s actually more like a family of closely related cousins.
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What started with CoffeeScript back in 2009 has become an explosion of choice over the past couple years: ES6, TypeScript, Elm… they all have their strengths, and they all compile down to good old JavaScript.
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So after last week’s look at front-end frameworks, let’s look at what the State Of JavaScript survey can tell us about JavaScript Flavors.
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Disclaimer: these are preliminary results extracted from a partial dataset. They’re just a way for me to share some insights while I take my time to come up with the best way to present the complete results.
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Note: if you haven’t taken the survey yet, now would be the perfect time to do it! It’ll only take 10 minutes and you can come back here after :)
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### Awareness
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First, I wanted to find out the percentage of respondents that were aware of each of the six options’ existence:
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- Good Old Plain JavaScript: 97%
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- ES6: 98%
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- CoffeeScript: 99%
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- TypeScript: 98%
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- Elm: 66%
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- ClojureScript: 77%
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You would expect that “Good Old Plain JavaScript” would score 100% awareness, but I imagine some people couldn’t resist the temptation of picking “I’ve never heard of JavaScript” in a JavaScript survey…
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ES6, CoffeeScript, and TypeScript all have near-perfect awareness, which surprised me since TypeScript isn’t quite as widespread as the other two.
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Elm and ClojureScript on the other hand have much lower scores, which makes sense since they’re more tied to their own ecosystems, and harder to use in existing apps.
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### Interest
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Next, let’s look at which flavors have been generating the most interest among developers who haven’t used them yet:
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Remember we’re looking at non-users here, so it makes sense that there would be very few people who haven’t used Plain JavaScript.
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It’s interesting to look at ES6: a large proportion of developers have already jumped on the bandwagon, and almost all (89%) of those who haven’t yet want to learn it as well.
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TypeScript and Elm are in the same boat: not many people have used them, but they have 53% and 58% interest scores respectively, which isn’t bad by any means.
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If I had to guess, I’d say that both TypeScript and Elm might be having a hard time articulating their advantages to the average JavaScript developer. After all it’s hard to understand the advantages of something like static typing if all you know is JavaScript.
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Also, few developers have used CoffeeScript, and apparently almost nobody wants to learn it. There goes my plan to write a 12-volume CoffeeScript Encyclopedia…
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### Satisfaction
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We now come to the key question: how many developers have used each specific flavor, and how many would use it again?
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While plain JavaScript has larger usage numbers as expected, in terms of satisfaction the big winner here is ES6, and I think it’s safe to say it’s now the default way to write JavaScript apps.
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TypeScript and Elm both also have similarly high satisfaction percentages, around 85%. And once more, poor CoffeeScript trails the poll with only 17% of developers willing to consider it again.
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### Happiness
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Finally, I asked people how happy they were with their current way of writing JavaScript:
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The high scores we saw in the previous question are confirmed here: with an average score of 3.96 overall, people are really happy with JavaScript as a language.
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It’s hard to say if this is because of JavaScript’s recent improvements, or because maybe (just maybe) JavaScript isn’t as horrible a language as people make it to be. But it’s certainly comforting.
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### Conclusions
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If React and Vue were the clear winners last time, I would say that here it’s without a doubt ES6. This is not groundbreaking news by any means, but it’s nice to know the community is embracing the direction the language is taking.
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It will be really interesting to ask these questions again a year or so from now, and see if TypeScript, Elm, and ClojureScript have made any progress.
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Personally, I suspect this explosion of flavors is just the beginning, and that the way we write JavaScript a couple years from now might be quite different!
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### Share the Word & Stay Tuned
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When it comes to surveys like this one, more data equals better data! The more people take the survey, the more representative of the overall JavaScript community it will be.
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So if you can, I encourage you to share the survey:
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[On Twitter][1]
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[On Facebook][2]
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And if you’d like to know next time I publish results, [head to the survey homepage][3] and leave your email there to be notified!
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--------------------------------------------------------------------------------
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via: https://www.oreilly.com/ideas/spark-comparison-aws-vs-gcp?utm_source=dbweekly&utm_medium=email
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作者：[Michael Li][a] [Ariel M'Ndange-Pfupfu][b]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]: https://www.oreilly.com/people/76a5b-michael-li
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[b]: https://www.oreilly.com/people/Ariel-Mndange-Pfupfu
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[1]: https://aws.amazon.com/
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[2]: https://cloud.google.com/
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[3]: https://www.thedataincubator.com/training.html?utm_source=OReilly&utm_medium=blog&utm_campaign=AWSvsGCP
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