Help with a JavaScript email submit button taking word null out if blank

     first of dont know java, wanted create submit button , did alot of research.  i want button email pdf files have created in livecycle.  so far everyting works code needs help.

 

     there few fields want place in body of e-mail, if left blank dont want null apear on email subject or body.

here have far *this work around, not good.

 

strsubject

= "account "+dropdownlist1.rawvalue+" for: " +last.rawvalue +", " +first.rawvalue +" " +mi.rawvalue;

if

 

(mi.rawvalue ==null || mi.rawvalue =="")strsubject = "account "+dropdownlist1.rawvalue+" for: " +last.rawvalue +", " +first.rawvalue;

 

 

 

 

     4 fields working on first name, last name, mi , comments.  first , last alwasy used, if mi not dont want null in there, have above works messy.  i wanted same comments if left blank read "comments: none" not null

on if statement re did whole deal out the  mi.rawvalue not right way... great.

 

 

thanks

may can try below..

 

var strdropdownlistvalue,strfirstname, strlastname, strmi

if(dropdownlist1.rawvalue == null || dropdownlist1.rawvalue == "")
       strdropdownlistvalue = "";
else
     strdropdownlistvalue = dropdownlist1.rawvalue;

if(first.rawvalue == null || first.rawvalue == "")

strfirstname = "";
else
     strfirstname = first.rawvalue;

if(mi.rawvalue == null || mi.rawvalue == "")
     strmi = "";
else
     strmi = mi.rawvalue;

if(last.rawvalue == null || last.rawvalue == "")
     strlastname = "";
else
     strlastname = last.rawvalue;

strsubject = "account "+ strdropdownlistvalue +" for: " + strlastname +", " + strfirstname +" " + strmi;

thanks
srini

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