VS Code
CodePen
GitHub
Node.js
RegExr
JSFiddle
CodeSandbox
Free ebook for the JS Beginners
character.ai
Character AI Bots
AI Chating Bot
Catting
Character.AI Generator
Infinite Meow
Meow Playground
Chairman Meow judges your cat out of 100. Upload a photo for a brutally honest score and verdict across five categories, then chat with the chairman, vote in cat hot or not, and play the decatlon. Free to use.

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.
|
EJS
Eloquent JavaScript
|
C
Catz
|
|
|---|---|---|
| Website | eloquentjavascript.net | catz.io |
| Pricing | — | |
| Company | — | Startup from South Africa · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.
No description of Eloquent JavaScript yet.
Catz.io rates your cat. Upload a photo and Chairman Meow, the site's resident judge, scores it out of 100 across five categories: cuteness, fluffiness, gremlin factor, royal energy and loaf form. Every cat gets a one-line verdict, a shareable scorecard and a place on the leaderboard. Beyond the...
What each product offers, as listed by its team.
Possible disadvantages
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 Catz yet.
Walkthroughs and reviews on video.
Eloquent JavaScript A Modern Introduction to Programming 3rd Edition by Marijn Haverbeke review
More videos
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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 Catz. 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 / about 1 year 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 Catz since Sep 2026.
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