javascript脚本模拟键盘事件(1)

<script type='text/javascript'>
function initKeyEventDM()
{
  var eo=document.getElementById("ikevt");
  if( window.outerWidth == undefined )
  {
    eo.fireEvent("onkeydown");
  }
  else
  {
    var vo = document.createEvent("KeyEvents");
    vo.initKeyEvent("keydown", true, true, null, false, true, false, false, 9, 0);
    eo.dispatchEvent( vo );
  }
}
</script>
<a href='javascript:initKeyEventDM()'>点这里模拟onkeydown事件</a> / / / /
<input id='ikevt' onkeydown='alert( event.altKey +" / "+ event.keyCode )' size=16>