JAVASCRIPT

Toggle

import React, { useState } from "react";

export default function App() {
  const [show, setShow] = useState(true);
  return (
    <div>
      <button onClick={() => setShow((s) => !s)}>toggle</button>
      <div style={{ display: show ? "block" : "none" }}>hello</div>
    </div>
  );
}

Toggle

<input type="checkbox" id="toggle" class="offscreen" />
<label for="toggle" class="switch"></label>