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JavaScript Quiz
Learn JavaScript
JavaScript Knowledge Map
Do you speak JavaScript?
50 Tips on JavaScript
dateDropper Javascript
A full list of JavaScript operators with examples

Mozilla Observatory
Security Headers
Qualys SSL Server Test
HTTP Observatory
Cloud Cultivator
Free Domain Alerts
Scanigma
Hardenize provides a comprehensive and free assessment of web site network and security configuration.

Which is more popular?
Based on our record, Hardenize should be more popular than JavaScript Operator Lookup. It has been mentioned 6 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | joshwcomeau.com | hardenize.com |
| Pricing | — | |
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What each product offers, as listed by its team.


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App Highlight: Hardenize
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Share your experience with using JavaScript Operator Lookup and Hardenize. 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
Hey, I'm looking for an in-depth analysis of the security Skiff Mail. Pros and cons, arguments for and against, all the stuff. Couldn't find anything conclusive online (since it's relatively new) except what I could dig myself: WHOIS... Source: almost 4 years ago
Https://hardenize.com is quite pretty, but there's nowhere near $999/mo of value in it for me! - Source: Hacker News / over 4 years ago
It does a little more and little less. More: Enter a list of (sub-) domains and get informed via email when "SSL things" change (for better or for worst), or your https certificate is about to expire. Less: No fancy pansy "report"... - Source: Hacker News / over 4 years ago
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