javascript中fields.push()的用法？？

一个ASP（JScript）简单SQL语句构建“类”

<%@LANGUAGE="JAVASCRIPT" CODEPAGE="936"%>
<%
var QuestStringBuilder = function(){
// 1->查询语句, 2->更新语句, 3->删除语句, 4->插入语句
var QuestType = 0;
var Fields = [];
var Values = [];
var Condition;
var PK;
var PkeySort;
var TableName;
var State = false;
var CLogic = " AND ";
var COperator = "=";
this.addField = function(Field,Value){
Fields.push(processField(Field));
Values.push(processValue(Value));
};
this.addCField = function(CField,CValue){
var sTemp = [];
if(Condition!=undefined&&Condition!=""){ sTemp.push(Condition); }
if(COperator!="LIKE"){
sTemp.push(processField(CField)+COperator+processValue(CValue));
}else{
sTemp.push(pro