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<html><body><h1>JavaScript HTML Events</h1><h2>The onkeyup Attribute</h2><p>An onkeyup event occurs when the a keyboard key is on its way UP:</p><form> Enter your name: <input type="text" name="myInput" onkeyup="writeMessage()" size="20"> <input type="text" name="mySecondInput" size="20"></form><script>function writeMessage() { document.forms[0].mySecondInput.value = document.forms[0].myInput.value;}</script></body></html>