/green-p>
    <script>
      const p2 = document.getElementById('2');
      const p3 = document.getElementById('3');
      test(p2.tagName.toLowerCase() === 'red-p', 'p#2 is red-p');
      test(p3.tagName.toLowerCase() === 'green-p', 'p#3 is red-p');
      test(p2.innerText === 'red', 'p#2 data not set');
      test(p3.innerText === 'green', 'p#3 data not set');

      data.a = 'RED';
      data.b = 'GREEN';
      test(p2.innerText === 'RED', 'p#2 data set');
      test(p3.innerText === 'GREEN', 'p#3 data s