<!DOCTYPE html>
<html>

<head>
  <title>textarea-numbers-sk</title>
  <meta charset="utf-8" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>

<body>
  <h1>textarea-numbers-sk</h1>
  <textarea-numbers-sk></textarea-numbers-sk>

  <h2>Action</h2>
  <button id=clear_error_lines>Clear Error Lines</button>
</body>

</html>