
Brilliant.org
Khan Academy
Numberthon
Calcora.net
mathigon
Math Expert: Master Equations
Mathway
Improve math skills with ranked practice, Elo-style ratings, topic lessons, timed challenges, progress stats, rewards, and a global leaderboard.
VS Code
CodePen
GitHub
Node.js
RegExr
JSFiddle
CodeSandbox
Free ebook for the JS Beginners
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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EJS
Eloquent JavaScript
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| Website | elomath.com | eloquentjavascript.net |
| Pricing | ||
| Platforms | — | |
| Company | 2025 | — |
| Listed in |
In their own words, as submitted to SaaSHub.

EloMath turns math practice into a ranked progression system. Instead of only tracking streaks or completed exercises, EloMath gives learners a visible chess-style Elo rating that changes as they solve problems of different difficulty levels. The goal is to make math progress easier to...
No description of Eloquent JavaScript yet.
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
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
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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.

As answered by people managing EloMath and Eloquent JavaScript.
EloMath's answer
EloMath uses chess-style Elo ratings to measure math progress, helping learners see their level improve through ranked problem-solving.
EloMath's answer
EloMath makes math practice more motivating by turning progress into a clear rating system, instead of only showing scores, streaks, or completed lessons.
EloMath's answer
Students, self-learners, and competitive learners who want a structured and measurable way to improve their math skills.
EloMath's answer
EloMath was created from the idea that math learners should be able to track their skill level as clearly as chess players track their rating.
Share your experience with using EloMath and Eloquent JavaScript. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Tracking EloMath since Jun 2026.
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
When comparing EloMath and Eloquent JavaScript, you can also consider the following products.

Brilliant - Understand concepts and build your problem solving skills with thousands of free problems and examples in math, science, and engineering.
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Build and debug modern web and cloud applications, by Microsoft
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Khan Academy offers online tools to help students learn about a variety of important school subjects. Tools include videos, practice exercises, and materials for instructors. Read more about Khan Academy.
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Complete and climb the global math leaderboard on Numberthon! Key features include ranked math matches, puzzles, and ELO style rankings.
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Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.
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