I might miss something obvious, but how can I update just some class in className, keeping the existing ones? I have a feeling I have seen an example somewhere, but can’t find it again.

Here is an example where the background color of a html.Div is changed depending on a Input() of a callback: [image] How to give bg color to specific text within a string - returned from callback Dash Python Hi @yogi_dhiman , why would have “4” a red background? What is t…

How to partially update className?

Dash Python

AIMPED January 16, 2023, 10:32am 4

Here is an example where the background color of a html.Div is changed depending on a Input() of a callback:

Maybe this gives you an idea.

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How to partially update className?

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