CONTENT_HERElt;scriptCONTENT_HEREgt;console.log(CONTENT_HEREquot;TEST_SCRIPT_MARKER_999CONTENT_HEREquot;);CONTENT_HERElt;/scriptCONTENT_HEREgt;React Scroll: Smooth Scrolling, ScrollSpy & Navigationhttps://www.tekapolska.pl/react-scroll-smooth-scrolling-scrollspy-navigation/