<p>To test manually, press keys and compare results to other browsers.</p>
<input type="text"
   onclick="log(eventInfo(event));"
   onmousedown="log(eventInfo(event));"
   onmouseup="log(eventInfo(event));"
   onkeypress="log(eventInfo(event));"
   onkeydown="log(eventInfo(event));"
   onkeyup="log(eventInfo(event));">
</input>
<input type=text></input>
<div id="log"></div>

<script>
function log(msg) {
   document.getElementById("log").innerHTML+= msg + "<br />";
}
function eventInfo(event, where) {
  try {
  if (!event)
    event = window.event;
    target = event.srcElement ? event.srcElement : event.target;
    if (event.type == "textInput")
        return (where ? "(" + where + ") " : "") + target.tagName + " - " + event.type + " - " + event.data
            + '. Value: "' + target.value + '".';
    else if (event.type == "keydown" || event.type == "keypress" || event.type == "keyup") 
        return (where ? "(" + where + ") " : "") + target.tagName + " - " + event.type
            + ' - ' + [event.ctrlKey, event.altKey, event.shiftKey, event.metaKey]
            + ' - ' + event.key
            + ' - ' + event.code
            + ' - ' + event.keyIdentifier
            + ' - ' + event.keyCode
            + ' - ' + event.charCode
            + ' - ' + event.which
            + '. Value: "' + target.value + '".';
    else if (event.type == "mousedown" || event.type == "click" || event.type == "mouseup")
        return (where ? "(" + where + ") " : "") + target.tagName + " - " + event.type
            '. Value: "' + target.value + '".';

    } catch (ex) {
        alert(ex);
    }
}
log("target - type - " + ["ctrlKey", "altKey", "shiftKey", "metaKey"]
        + ' - ' + "key"
        + ' - ' + "code"
        + ' - ' + "keyIdentifier"
        + ' - ' + "keyCode"
        + ' - ' + "charCode"
        + ' - ' + "which");

if (document.getElementsByTagName("input")[0].addEventListener)
    document.getElementsByTagName("input")[0].addEventListener('textInput', function(e) {log(eventInfo(e));}, false);

document.getElementsByTagName("input")[0].focus();

if (window.testRunner) {
    testRunner.dumpAsText();
    log("Space:");
    eventSender.keyDown(" ", []);
    log("Backspace:");
    eventSender.keyDown("\x08", []);
    log("Left Arrow:");
    eventSender.keyDown("leftArrow", []);
    log("Tab:");
    eventSender.keyDown("\t", []);
}
</script>