HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>hashchange target</title>
  <style>
    body { font-family: sans-serif; padding: 16px; }
    nav a { margin-right: 12px; }
    section { margin: 20px 0; padding: 12px; border: 1px solid #e2e8f0; }
    section.active { background: #dbeafe; border-color: #2563eb; }
  </style>
</head>
<body>
  <nav>
    <a href="#one">One</a>
    <a href="#two">Two</a>
  </nav>
  <section id="one"><h2>Section One</h2></section>
  <section id="two"><h2>Section Two</h2></section>
  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
  <script>
    function highlightTarget() {
      $("section").removeClass("active");
      $(":target").addClass("active");
    }
    highlightTarget();
    $(window).on("hashchange", highlightTarget);
  </script>
</body>
</html>

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hashchange + :target active class (Try It)