这段验证代码有个 mark，是什么意思，其他页面没见这个

[haifu23]

这段验证代码有个 mark，是什么意思，其他页面没见这个


function checkregtel(regtel){
var str=regtel;
var Expression=/^13(\d{9})$|^15(\d{9})$/;
var objExp=new RegExp(Expression);
if(objExp.test(str)==true){
return true;
}else{
return false;
}
}
function checkregtels(regtels){
var str=regtels;
var Expression=/^(\d{3}-)(\d{8})$|^(\d{4}-)(\d{7})$|^(\d{4}-)(\d{8})$/;
var objExp=new RegExp(Expression);
if(objExp.test(str)==true){
return true;
}else{
return false;
}
}
function checkregemail(emails){
var str=emails;
var Expression=/\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/;
var objExp=new RegExp(Expression);
if(objExp.test(str)==true){
return true;
}else{
return false;
}
}

function chkreginfo(form,mark){
if(mark==0 || mark=="all"){
if(form.recuser.value==""){
chknew_recuser.innerHTML="请输入用户名！";
form.recuser.style.backgroundColor="#FF0000";
return false;
}else{
chknew_recuser.innerHTML="";
form.recuser.style.backgroundColor="#FFFFFF";
}
}


if(mark==1 || mark=="all"){
if(form.address.value==""){
chknew_address.innerHTML="请输入联系地址！";
form.address.style.backgroundColor="#FF0000";
return false;
}else{
chknew_address.innerHTML="";
form.address.style.backgroundColor="#FFFFFF";
}
}


if(mark==2 || mark=="all"){
if(form.postalcode.value==""){
chknew_postalcode.innerHTML="请输入邮编！";
form.postalcode.style.backgroundColor="#FF0000";
return false;
}else if(isNaN(form.postalcode.value)){
chknew_postalcode.innerHTML="邮编由数字组成！";
form.postalcode.style.backgroundColor="#FF0000";
return false;
}else if(form.postalcode.value.length!=6){
chknew_postalcode.innerHTML="邮编由6位数字组成！";
form.postalcode.style.backgroundColor="#FF0000";
return false;
}else{
chknew_postalcode.innerHTML="";
form.postalcode.style.backgroundColor="#FFFFFF";
}
}


if(mark==3 || mark=="all"){
if(form.qq.value==""){
chknew_qq.innerHTML="请输入QQ号码！";
form.qq.style.backgroundColor="#FF0000";
return false;
}else if(isNaN(form.qq.value)){
chknew_qq.innerHTML="QQ号由数字组成！";
form.qq.style.backgroundColor="#FF0000";
return false;
}else{
chknew_qq.innerHTML="";
form.qq.style.backgroundColor="#FFFFFF";
}
}

if(mark==4 || mark=="all"){
if(form.email.value==""){
chknew_email.innerHTML="请输入E-mail地址！";
form.email.style.backgroundColor="#FF0000";
return false;
}else if(!checkregemail(form.email.value)){
chknew_email.innerHTML="邮箱地址的格式不正确！";
form.email.style.backgroundColor="#FF0000";
return false;
}else{
chknew_email.innerHTML="";
form.email.style.backgroundColor="#FFFFFF";
}
}

if(mark==5 || mark=="all"){
if(form.mtel.value==""){
chknew_mtel.innerHTML="请输入电话号码！";
form.mtel.style.backgroundColor="#FF0000";
return false;
}else if(!checkregtel(form.mtel.value)){
chknew_mtel.innerHTML="电话号码的格式不正确！";
form.mtel.style.backgroundColor="#FF0000";
return false;
}else if(isNaN(form.mtel.value)){
chknew_mtel.innerHTML="电话号由数字组成！";
form.mtel.style.backgroundColor="#FF0000";
return false;
}else{
chknew_mtel.innerHTML="";
form.mtel.style.backgroundColor="#FFFFFF";
}
}


if(mark==6 || mark=="all"){
if(form.gtel.value==""){
chknew_gtel.innerHTML="请输入电话号码！";
form.gtel.style.backgroundColor="#FF0000";
return false;
}else if(!checkregtels(form.gtel.value)){
chknew_gtel.innerHTML="电话号码的格式不正确！";
form.gtel.style.backgroundColor="#FF0000";
return false;
}else{
chknew_gtel.innerHTML="";
form.gtel.style.backgroundColor="#FFFFFF";
}
}


}

[hch126163]

就是一个参数

[xhydwufu]

mark是这个chkreginfo函数的一个参数，你去找到调用的这个函数时，具体mark位置对应的值就可以知道它代表的是什么了。