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[bug] Invalid property names in animation styles cause dom bug. #18701
I'm submitting a...
Making any typos in the styles function doesn't throw any run time errors. So invalid all CSS properties are completely fine. Beside that it creates a weird bug where the element is being duplicated over and over in the DOM.
A run time error and no weird duplication on the element that's being animated.
Minimal reproduction of the problem with instructions
What is the motivation / use case for changing the behavior?
Its very hard to debug this weird animation bug if there is no error thrown. I made a typo and it took me longer than a month of searching and giving up to finally track the issue. Having any run time error or at least no weird DOM duplication bug would help a lot.