School Hall of Fame ResizeObserver Loop Triage: Keep Profile Layouts Stable
A school hall of fame display in the gymnasium lobby or athletic hallway holds something irreplaceable: the visual record of every athlete the program has chosen to honor. Each inductee profile on the screen carries a portrait photograph, name, graduation year, sport, and award tier. When that grid is built with a ResizeObserver — a browser API that reports changes to an element’s dimensions — the platform can respond gracefully as the display rotates between portrait cards or adjusts from landscape to portrait when a kiosk orientation changes. Used carefully, ResizeObserver is the right tool. Used carelessly, it triggers a feedback loop that fills every frame with layout recalculations and surfaces a browser error that does not explain itself: ResizeObserver loop completed with undelivered notifications.
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