MutationObserver API - the support we all need when dealing with DOM changes

As a programmer, you probably had some experience with manipulations to the DOM tree already. If you are using frameworks such as React, Angular or VueJS, these manipulations are even more frequent or to be more precise - happening all the time. The consequence of that would be that from time to time we will have to detect and react to one of these changes. In the recent past, this could cause a lot of issues with both - finding the best solution, and more importantly, with the app performance! Thankfully nowadays all we need to accomplish is provided by MutationObserver API.

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