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A full list of JavaScript operators with examples
Which is more popular?
Based on our record, Roll20 seems to be a lot more popular than JavaScript Operator Lookup. While we know about 334 links to Roll20, we've tracked only 1 mention of JavaScript Operator Lookup.
Website, pricing, platforms and company facts side by side.
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| Website | joshwcomeau.com | roll20.net |
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What each product offers, as listed by its team.


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Roll20 Overview 2019 (Play 5th Edition Dungeons & Dragons Online)
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using JavaScript Operator Lookup and Roll20. 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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As a DM for homebrew games, I used Roll20 for 2+ years. When it works, its OK. When it doesn't, its frustrating. I use a lot of custom rules and they are simply not supported due to a lack of modularity within the...
Not easy to learn, not friendly controls
These tools aide gamers during online games. Both Roll20 and the Roll20 alternatives can be best described as table-top games. Launched in 2012, Roll20 has received a lot of positive feedback.
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
There are other options: https://roll20.net/. Source: almost 3 years ago
I've used roll20.net up until now. They have a find group feature and a virtual table top with character sheets and dice roller included, so everything you need to play virtually is all on the one site. Source: almost 3 years ago
1 Year Roll20 Pro Subscription ($109 value!) – use it yourself or give it to your GM! Source: almost 3 years ago
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