javascriptquotparameter 1 is not

javascript - "parameter 1 is not of type 'Node'" when using MutationObserver - Stack Overflow
I am a total noob at JS (as well as with the web development in general) :(Currently, I am working on a
javascriptquotparameter 1 is not of type 39Node39quot when using MutationObserverStack Overflow
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