javascript 数组对象

<SCRIPT LANGUAGE="JavaScript">
<!--
function addf(f1,f2)
{
var dd = f1.value;
re="/^(d)(-│/)(d)2(d)$/"; //匹配IP地址的正则表达式
alert(re.test(dd));

var a = dd.match('');
alert(a);
if (a == null)
 f2.value = "d";
else
 f2.value = parseInt(dd);
}

   var obj = new Object();
   obj["ddd"] = "value; (key为string)";
   obj["ddd3"] = "value; (key为string)";
   obj["ddd2"] = "value2; (key为string)";
   obj["ddd4"] = "value; (key为string)";
   obj["ddd5"] = "value; (key为string)";
function addobj()
{
alert(obj["ddd2"]);
//    删除：delete obj[key];
   // 遍历：for ( var key in obj ) obj[key];

}
//-->
</SCRIPT>