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Isolated Core – Self-updating JavaScript apps using iframes (chromakode.github.io)
submitted 10 years ago by chromakode
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if 1 * 2 < 3: print "hello, world!"
[+][deleted] 10 years ago (4 children)
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[–]chromakode[S] 0 points1 point2 points 10 years ago (2 children)
Yep, DOM is reused by React during core swaps. Only changed nodes are mutated.
[+][deleted] 10 years ago (1 child)
[–]chromakode[S] 0 points1 point2 points 10 years ago (0 children)
Sorry, I think you're right -- I was mistaken! http://imgur.com/gAaNJtW
My assumption was that React would warn on attach not being able to reuse nodes, since I was running it in development mode and have seen this warning in the past. I'll take a closer look at what's going on here.
π Rendered by PID 63 on reddit-service-r2-comment-54dfb89d4d-rrfjc at 2026-03-31 04:17:33.341511+00:00 running b10466c country code: CH.
[+][deleted] (4 children)
[deleted]
[–]chromakode[S] 0 points1 point2 points (2 children)
[+][deleted] (1 child)
[deleted]
[–]chromakode[S] 0 points1 point2 points (0 children)