রিয়েক্ট useRef

import {createRoot} from "react-dom/client";
import React, {useRef} from "react";

function App() {
  const input = useRef(null);

  function execute() {
    input.current.focus();
  }

  return (
    <div>
      <input ref={input} />
      <button onClick={execute}>সাবমিট</button>
    </div>
  );
}

createRoot(
  document.getElementById("root")
).render(<App/>);