spellcheck-textarea-focused-notreadonly.html

Enable keyboard shortcuts

<!DOCTYPE html>

<html>

<body>

  <textarea id="testBox" style="padding:2px;" readonly></textarea>

  <script type="text/javascript">

    //Adding focus to the textbox should trigger a spellcheck

    var textbox = document.getElementById("testBox");

    addEventListener("load", function() {

      textbox.readOnly = false;

      textbox.focus();

      textbox.value = "blahblahblah";

      textbox.selectionStart = textbox.selectionEnd = 0;

      textbox.blur();

    }, false);

  </script>

</body>

</html>