Get SharePoint List items using SPServices

<script type="text/javascript" src="scripts/jquery-1.4.2.min.js"></script>
<script type="text/javascript" src="scripts/jquery.SPServices-0.5.4.min.js"></script>
<script language="javascript" type="text/javascript">

$(document).ready(function() {
  $().SPServices({
    operation: "GetListItems",
    async: false,
    listName: "Announcements",
    CAMLViewFields: "<ViewFields><FieldRef Name='Title' /></ViewFields>",
    completefunc: function (xData, Status) {
      $(xData.responseXML).find("[nodeName='z:row']").each(function() {
        var liHtml = "<li>" + $(this).attr("ows_Title") + "</li>";
        $("#ulTasks").append(liHtml);
      });
    }
  });
});
</script>
<ul id="ulTasks"/>