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Graph/5105e96d-7942-4b08-b24f-a1cafe077a00

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Trying to change div colors based on incoming websocket data in React. Tension: my goal is that when they change they flash red/green for about 0.5 seconds.

5105e96d-7942-4b08-b24f-a1cafe077a00

Trying to change div colors based on incoming websocket data in React. Tension: my goal is that when they change they flash red/green for about 0.5 seconds.

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Updated5/1/2026

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FIXED_BYSolution

you could consider using a CSS variable with an associative `@property` definition to make the color stop have a smooth transition — You also need to explicitly add the CSS variable name to the `transition-property` property. Tension: since `all` does not sufficiently cover CSS variables. Outcome: `@property --color { syntax: ""; inherits: false; initial-value: transparent; }`.

FIXED_BYSolution

my goal is that when they change they flash red/green for about 0.5 seconds — incoming websocket data in React.

FIXED_BYSolution

You can use Reactotron. Tension: It's easy to setup. Outcome: link here https://docs.infinite.red/reactotron/.

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Per suggestion from @ataman comment I used useEffect() instead of winow.onload — on both web browsers, PC and mobile. Tension: it works on both web browsers, PC and mobile.

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JSON.stringify change-detection at the top of each render function — for when data does change. Tension: This eliminates ~95% of unnecessary DOM rebuilds. Outcome: compare current data with previous, return early if unchanged.

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