How to get computed style change for an element

Asked Jul 08 '18 at 13:46

Active Jul 08 '18 at 14:02

Viewed 300 times

I want to listen for element style changes (in particular in the case of :hover and/or insertRule). I can calculate the actual style with getComputedStyle and clone it into another object and then make diff every mouseenter/mouseleave (or MutationObserver), but it seems like rather low-performance solution for me. Is there any better way to track the element style changes?

Thanks.

edited Jul 08 '18 at 13:56

asked Jul 08 '18 at 13:46

Ximik

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Maybe you can use a css variable and calc. With calc you can for example subtract `20px` from `100%` – SuperDJ Jul 08 '18 at 14:02
Don't get your point. What I'm talking about is getComputedStyle API – Ximik Jul 08 '18 at 14:09

How to get computed style change for an element

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