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When working with React.js - does the browser behave differently in the pixel rendering pipeline when we update CSS declaratively -like through state in event handlers:

<div className={isDark ? 'dark' : 'light'}>
  <button onClick={() => setIsDark(prev => !prev)}>
    Toggle Dark Mode
  </button>
</div>

versus imperatively when using useEffect and native DOM methods:

function useDarkMode(isDark) {  useEffect(() => {
const classList = document.documentElement.classList;
isDark ? classList.add('dark') : classList.remove('dark');  },isDark]);}

especially when targeting non-React-controlled elements like the tag for dark/light mode? the pixel pipeline im refering to is for example described in this article https://web.dev/articles/rendering-performance. Seems like the second approach is used quite often in dark/white modes and wonder if the whole web app has to go in that second sceanrio through virtual DOM diffing and then pixel pipeline or just the pixel pipeline?

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