19.4.3 bookmark属性.html

即学即用JavaScript核心对象参考手册原版光盘

<script type="text/javascript" src="openCon.js"></script>
<script type="text/javascript" src="adojavas.inc"> </script>
<script language="javascript">
   var sql="select * from book";
   //通过执行SQL语句获取一个RecordSet对象
   var rs=objconn.Execute(sql);
   if (!(rs.BOF && rs.EOF))
     {
        var num=parseInt(Math.random()*rs.RecordCount);
		rs.move(num);
		document.write("当前记录的ID为:"+rs("id").value);
		var bkMark=rs.BookMark;
		rs.moveFirst();
		document.write("<br>移动到其他记录...");
		rs.BookMark=bkMark;
		document.write("<br>快速返回!记录ID为:"+rs("id").Value);
	 }
</script>