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Test your command line skills

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Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.

Which is more popular?
Based on our record, JSFiddle seems to be a lot more popular than Commandline Challenge. While we know about 204 links to JSFiddle, we've tracked only 9 mentions of Commandline Challenge.
Website, pricing, platforms and company facts side by side.
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| Website | cmdchallenge.com | jsfiddle.net |
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What each product offers, as listed by its team.


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An editorial look at what each product does well and who it suits.


No analysis of Commandline Challenge yet.
Overall verdict
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Recommended for
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Dashboard JSFiddle Online JavaScript Editor jQuery, Angular, Backbone, Underscore, Knockout, Y
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Commandline Challenge and JSFiddle. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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Test your javascript, CSS, HTML or coffeescript online with jsfiddle code editor. Jsfiddle – code playground.
JSFiddle cannot be used to host code on your server. The code has to be on JSFiddle and is public all the time.
What is missing from JSFiddle is live previews. You have to basically refresh the page by clicking on the play button. And compared to other playgrounds, JSFiddle is probably the slowest. Another slightly frustrating...
Recommendations tracked on public social media and blogs since March 2021.


To get crazy fast in the command line, try Command Line Challenge, practicelinux.com, learnshell.org and commandlinefu.com. Source: almost 3 years ago
I put something together very similar to this, https://cmdchallenge.com that I like a bit better because it has console input. There is also a Christmas edition "12 days of shell" https://12days.cmdchallenge.com that is more like a... - Source: Hacker News / almost 3 years ago
Nice to see this posted on HN! A while back ago I used them for the design of a site a built https://cmdchallenge.com/ which gives it a nice feel of achievement badges without using standard unicode characters that may look different... - Source: Hacker News / about 3 years ago
Https://jsfiddle.net/ used to be also very popular, I see that it is still available, but haven't used it in a while. Which other alternatives do people use now days? - Source: Hacker News / 2 months ago
Coding is like learning a new language—you must practice by writing code, not just reading about it. Use free online editors like CodePen, JSFiddle, or Replit to experiment. - Source: dev.to / about 1 year ago
As you embark on these projects, take your time to familiarize yourself with HTML tags and CSS properties. Use online tools like CodePen or JSFiddle to experiment with your code and visualize your results. - Source: dev.to / over 1 year ago
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