VS Code
CodePen
GitHub
Node.js
RegExr
JSFiddle
CodeSandbox
Free ebook for the JS Beginners

Inner Sky
Astrolog32
AstroWin
ChronosXP
Flight Viz
Groundtrack
Jagannatha Hora
Track the ISS, Starlink and 20,000+ satellites live in 3D, follow every rocket launch with free push & email alerts, and know exactly when to look up. No login.

Which is more popular?
Based on our record, Eloquent JavaScript seems to be more popular. It has been mentioned 218 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | eloquentjavascript.net | gocosmik.com |
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In their own words, as submitted to SaaSHub.

No description of Eloquent JavaScript yet.
Cosmik (gocosmik.com) is a free consumer web app for tracking everything in orbit: the ISS, Starlink and 20,000+ satellites rendered live in 3D from public orbital data, every rocket launch with countdowns, webcasts and free alerts, and a real-time solar system. It publishes launch news in 7...
What each product offers, as listed by its team.

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

Overall verdict
Why this product is good
Recommended for
No analysis of Cosmik yet.
Walkthroughs and reviews on video.
Eloquent JavaScript A Modern Introduction to Programming 3rd Edition by Marijn Haverbeke review
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using Eloquent JavaScript and Cosmik. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

If you haven’t read Eloquent JavaScript , go check it out. It’s one of my all-time favourite programming books — hands down. - Source: dev.to / 12 months ago
Videos, blogs, text-based teachings, YouTube project-based learning, books, and the like are all examples of various methods and mediums of acquiring skills, especially in the software engineering industry. As I continue to navigate... - Source: dev.to / almost 2 years ago
Seconded. I won't recommend it and no one I know has recommended it for a decade. It's hard for someone who doesn't know JS to know which parts has changed and is no longer the way to do things. https://github.com/getify/You-Dont-Know-JS... - Source: Hacker News / about 2 years ago
Tracking Cosmik since Jul 2026.
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