textarea-minlength-valid-change.html

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<!DOCTYPE HTML>

<html>

  <!-- Test: textarea with minlength is valid if the user edits and it's not too short -->

  <head>

    <style>

      :valid { background-color:green; }

      :invalid { background-color:red; }

      * { background-color:white; }

    </style>

    <script src="/tests/SimpleTest/EventUtils.js"></script>

    <script>

      function runTest() {

        var textarea = document.getElementById('textarea');

        textarea.setSelectionRange(textarea.value.length, textarea.value.length)

        textarea.focus();

        sendString("o"); // so that it becomes invalid first

        textarea.blur();

        textarea.focus();

        sendString("o");

        textarea.blur(); // to hide the caret

        document.documentElement.className='';

    </script>

  </head>

  <body onload="runTest()">

    <textarea id="textarea" minlength="3">f</textarea>

  </body>

</html>