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A full list of JavaScript operators with examples

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Tiger Math is an ad-free math learning app for kids ages 6–12, with 8 topics, story mode and offline practice on iOS, Android and macOS.

Which is more popular?
Based on our record, JavaScript Operator Lookup seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | joshwcomeau.com | tigermath.app |
| Pricing | — | |
| Platforms | — | |
| Company | — | Startup from Malaysia |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of JavaScript Operator Lookup yet.
Tiger Math is an ad-free math learning app for kids ages 6–12, with 8 topics, story mode and offline practice on iOS, Android and macOS.
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 JavaScript Operator Lookup yet.
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Why this product is good
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing JavaScript Operator Lookup and Tiger Math.
Tiger Math's answer:
Tiger Math is ad-free with no in-app upsells, and unlocks with a single one-time lifetime purchase instead of a subscription — that pricing model covers under 5% of the app market. Kids progress through a story-mode adventure instead of loot boxes or streak-guilt mechanics, the app works fully offline, and it's available in 8 languages across iOS and Android.
Tiger Math's answer:
Most math apps for kids (Prodigy, SplashLearn, IXL, Mathletics) run on subscriptions or ad-supported freemium models. Tiger Math is a single purchase that covers up to 5 kids for life — no recurring cost, no ads, ever. It's also narrowly focused on 8 core math topics for ages 6–12, rather than being a broad multi-subject platform, so the difficulty adapts specifically to math skill progression.
Tiger Math's answer:
Parents of children ages 6–12 looking for focused, distraction-free math practice — particularly homeschool families and parents who want a low-pressure, structured tool for kids who find traditional math practice frustrating (including ADHD-friendly, low-clutter design).
Tiger Math's answer:
Tiger Math started because my son kept getting bored on his phone — the games he had access to were either mindless or loaded with ads and upsells. I wanted to build something that would hold his attention while actually teaching him math, without the manipulative mechanics most kids' apps rely on. That's why it's ad-free, story-driven instead of loot-box-driven, and a one-time purchase instead of a subscription — it's built the way I wanted my own kid's math app to work.
Tiger Math's answer:
Built with React Native
Tiger Math's answer:
Individual families — Tiger Math is a consumer app, not sold to organizations, so there's no B2B customer list to share.
Share your experience with using JavaScript Operator Lookup and Tiger Math. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


If you replace your || with ?? You should get the behaviour you are after. This is a good reference for what the operators do in js: https://joshwcomeau.com/operator-lookup. Source: about 5 years ago
Tracking Tiger Math since Jul 2026.
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