Categories:

.NET (357)

C (330)

C++ (183)

CSS (84)

DBA (2)

General (7)

HTML (4)

Java (574)

JavaScript (106)

JSP (66)

Oracle (114)

Perl (46)

Perl (1)

PHP (1)

PL/SQL (1)

RSS (51)

Software QA (13)

SQL Server (1)

Windows (1)

XHTML (173)

Other Resources:

Software QA Resources

Developer Resources

DBA Resources

Windows Tutorials

Java JAR Files

DLL Files

File Extensions

Security Certificates

Regular Expression

Link Directories

Interview Q & A

Biotech Resources

Cell Phone Resources

Travel Resources

Frequently Asked Questions

FYIcenter Forum

Home > JavaScript

What does undefined value mean in JavaScript?

✍: Guest

A

Undefined value means the variable used in the code doesn't exist or is not assigned any value, or the property doesnt exist.

2011-01-18, 3969👍, 0💬

Related Topics:

.NET C C++ CSS DBA General HTML Java JavaScript JSP JUnit MySQL Networking Oracle Perl Perl PHP PL/SQL RSS Software QA SQL Server Struts Unix Windows XHTML XML

Home Hot About Collections Index RSS Atom Ask

Tester Developer DBA Windows JAR DLL Files Certificates RegEx Links Q&A Biotech Phones Travel FAQ Forum

Copyright © 2026 FYIcenter.com

All rights in the contents of this web site are reserved by the individual author. fyicenter.com does not guarantee the truthfulness, accuracy, or reliability of any contents.

Popular Posts:

How To Delete a User...

How To Delete a User Account? - Oracle DBA FAQ - Managing Oracle User Accounts, Schema and Privilege...

How To Write a Minim...

How To Write a Minimum Atom 1.0 Feed File? - RSS FAQs - Atom Feed Introduction and File Generation I...

What is ISO?...

What is ISO? ISO 9000 is a family of standards for quality management systems. ISO 9000 is maintaine...

How To Manage Transa...

How To Manage Transaction Isolation Level? - Oracle DBA FAQ - Introduction to PL/SQL Transaction iso...

What is the differen...

What is the difference between Session State and ViewState? ViewState is specific to a page in a ses...