palemoon-dev/platform/layout/reftests/xul/accesskey.xul

<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>

<!-- This test checks that access keys are rendered properly, both when set with the
     accesskey attribute in the markup and updated via script later.
  -->
<window class="reftest-wait" onload="changeKeys()"
        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">

<script>
<![CDATA[

var keys = ['L', 'l', 'b', 'x', 'l'];

function changeKeys()
{
  var box = document.getElementById('d');
  for (var b = 0; b < 5; b++)
    box.childNodes[b * 2].accessKey = keys[b];

  document.documentElement.className='';
}

]]>
</script>

<hbox align="start">
  <label control="b1">Label1</label><textbox id="b1" accesskey="L" size="2"/>
  <label control="b2">Label2</label><textbox id="b2" accesskey="l" size="2"/>
  <label control="b3">Label3</label><textbox id="b3" accesskey="b" size="2"/>
  <label control="b4">Label4</label><textbox id="b4" accesskey="x" size="2"/>
  <label control="b5" maxwidth="50">Quite a long label. Hopefully it will wrap</label><textbox id="b5" accesskey="l" size="2"/>
</hbox>

<hbox id="d" align="start">
  <label control="d1">Label1</label><textbox id="d1" accesskey="z" size="2"/>
  <label control="d2">Label2</label><textbox id="d2" size="2"/>
  <label control="d3">Label3</label><textbox id="d3" accesskey="t" size="2"/>
  <label control="d4">Label4</label><textbox id="d4" accesskey="b" size="2"/>
  <label control="d5" maxwidth="50">Quite a long label. Hopefully it will wrap</label><textbox id="d5" accesskey="l" size="2"/>
</hbox>

</window>