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import React, { useRef } from "react";
const btnRef = useRef<HTMLButtonElement>(null!);
const handleRemove = () => {
btnRef.current.style.background = "green";
};
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// create refernce for element
let refName= useState<HTMLDivElement>(null)
//usage
<div ref={refName} className=""></div>
// access in useEffect
refName.current