Fix blog opening: SPA component unmount instead of full navigation#1105
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Fix blog opening: SPA component unmount instead of full navigation#1105
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…n (technically accurate)
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cowboyd
approved these changes
Feb 10, 2026
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Motivation
A r/javascript commenter correctly pointed out that the blog opening — "Or you navigate away in the browser, and a request you no longer care about keeps running anyway" — is not true for full page navigation. Modern browsers kill all running JS, pending requests, etc. on navigation.
The actual problem is in SPAs, where route changes and component unmounts happen while async work is still in flight. That's where you get unscoped async work unless you explicitly wire cancellation.
Approach
One-line change in the opening of
www/blog/2026-02-06-structured-concurrency-for-javascript/index.md:This is technically accurate and preempts the nitpick.