Solved

Undefined Value in drop down box countries and states

Posted on 2010-11-17
4
383 Views
Last Modified: 2012-06-21
I am using this script here and am getting an undefined option on the country drop down as the last option. Does anyone know what would be causing this?

http://javascript.internet.com/forms/country-state-drop-down.html

The same thing happens on my script.. it also happens on the original source link, it is the last country option.
0
Comment
Question by:nismor240sx
  • 2
4 Comments
 
LVL 1

Accepted Solution

by:
leehanken earned 175 total points
Comment Utility
There is an error in the javascript file in the populateCountry function. The line which says:

  for (var loop = 0; loop < countryLineArray.length; loop++) {

should say

  for (var loop = 0; loop < countryLineArray.length-1; loop++) {

otherwise the loop goes on too many times and adds an invalid item to the list of countries.

Just insert the -1 and it will work.
// Populates the country selected with the counties from the country list

function populateCountry(defaultCountry) {

  if ( postCountry != '' ) {

    defaultCountry = postCountry;

  }

  var countryLineArray = country.split('|');  // Split into lines

  var selObj = document.getElementById('countrySelect');

  selObj.options[0] = new Option('Select Country','');

  selObj.selectedIndex = 0;

  for (var loop = 0; loop < countryLineArray.length-1; loop++) {

    lineArray = countryLineArray[loop].split(':');

    countryCode  = TrimString(lineArray[0]);

    countryName  = TrimString(lineArray[1]);

    if ( countryCode != '' ) {

      selObj.options[loop + 1] = new Option(countryName, countryCode);

    }

    if ( defaultCountry == countryCode ) {

      selObj.selectedIndex = loop + 1;

    }

  }

}

Open in new window

0
 
LVL 63

Assisted Solution

by:Zvonko
Zvonko earned 75 total points
Comment Utility
Remove the last separator pipe character | from the country data string and the empty Option will go away:

ZM:Zambia|\
ZW:Zimbabwe|\
';

Like this:

ZM:Zambia|\
ZW:Zimbabwe';
 
0
 
LVL 1

Author Closing Comment

by:nismor240sx
Comment Utility
Thank you.
0
 
LVL 1

Author Comment

by:nismor240sx
Comment Utility
You were both correct, thanks for helping me figure it out. Since my script is dynamic using ASP scripts and a database, the first answer was the easiest one for me to implement.
0

Featured Post

How your wiki can always stay up-to-date

Quip doubles as a “living” wiki and a project management tool that evolves with your organization. As you finish projects in Quip, the work remains, easily accessible to all team members, new and old.
- Increase transparency
- Onboard new hires faster
- Access from mobile/offline

Join & Write a Comment

Introduction HTML checkboxes provide the perfect way for a web developer to receive client input when the client's options might be none, one or many.  But the PHP code for processing the checkboxes can be confusing at first.  What if a checkbox is…
The task A number given should be formatted for easy reading by separating digits into triads. Format must be made inline via JavaScript, i.e., frameworks / functions are not welcome. So let’s take a number like this “12345678.91¿ and format i…
The viewer will learn the basics of jQuery, including how to invoke it on a web page. Reference your jQuery libraries: (CODE) Include your new external js/jQuery file: (CODE) Write your first lines of code to setup your site for jQuery.: (CODE)
The viewer will learn the basics of jQuery including how to code hide show and toggles. Reference your jQuery libraries: (CODE) Include your new external js/jQuery file: (CODE) Write your first lines of code to setup your site for jQuery…

771 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

15 Experts available now in Live!

Get 1:1 Help Now