Page error: the sleep timer's control missing when the script ran #449

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rays · 2026-11-13T06:26:02-08:00

rays commented

2026-11-13 06:26:02 -08:00

2026-11-10 21:25:56 UTC, jason@mcleods.me, Safari on a Mac, through the tunnel:

TypeError: null is not an object (evaluating '$("#sleep").onchange=e=>sleepIn(Number(e.target.value))'), app.js?v=41dfb7156ede line 114 (web/src/player.ts:222).

#sleep came with the sleep timer (#429, 2026-11-08), in index.html and player.ts together, so the script was newer than the page it ran in: an older index.html kept (the service worker's / from the PAGE cache when offline, or Safari's back-forward cache) with the new app.js. A throw at load stops the rest of the script, so the page is dead until reloaded. Trace 4e39b8244aafe90d628e415fe80b0bef. Once in the week; found by the prod check.

$Q logs '{container="iPX"} |= "page_error"' 7d

2026-11-10 21:25:56 UTC, jason@mcleods.me, Safari on a Mac, through the tunnel: `TypeError: null is not an object (evaluating '$("#sleep").onchange=e=>sleepIn(Number(e.target.value))')`, `app.js?v=41dfb7156ede` line 114 (web/src/player.ts:222). `#sleep` came with the sleep timer (#429, 2026-11-08), in index.html and player.ts together, so the script was newer than the page it ran in: an older index.html kept (the service worker's `/` from the PAGE cache when offline, or Safari's back-forward cache) with the new app.js. A throw at load stops the rest of the script, so the page is dead until reloaded. Trace 4e39b8244aafe90d628e415fe80b0bef. Once in the week; found by the prod check. ``` $Q logs '{container="iPX"} |= "page_error"' 7d ```

rays added the bug label 2026-11-13 06:26:02 -08:00

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Reference: rays/ipx#449