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dateDropper Javascript
A full list of JavaScript operators with examples

ToolKitKE
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Free online calculator tools — pro rata, salary, insurance and more

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 | toolcr.com |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.


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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 ToolcR.
ToolcR's answer:
ToolCR offers completely free calculator tools with no sign-up required. It specializes in pro rata calculations for salary, insurance, rent and holiday entitlement — all in one place.
ToolcR's answer:
ToolCR is 100% free, no registration needed, mobile friendly, and covers a wide range of pro rata and insurance calculations that other tools don't offer together.
ToolcR's answer:
HR professionals, employees, landlords, insurance agents, and freelancers in the US and UK who need quick and accurate pro rata calculations.
ToolcR's answer:
ToolCR was built to provide free, easy-to-use calculator tools for everyday financial and insurance calculations — accessible to anyone without barriers.
ToolcR's answer:
WordPress, JavaScript, HTML, CSS.
ToolcR's answer:
HR professionals Insurance agents Landlords Freelancers Employees
Share your experience with using JavaScript Operator Lookup and ToolcR. 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 ToolcR since Apr 2026.
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