empty-id-validation.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <title>Empty ID validation test</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
  </head>
  <body>
    <h1>Empty ID validation test</h1>

    <p id>This paragraph has an id attribute without a value</p>
    <p id="">This paragraph has an id attribute explicitly set to an empty string</p>

  </body>
</html>