Please note, this is a STATIC archive of website developer.mozilla.org from November 2016, cach3.com does not collect or store any user information, there is no "phishing" involved.

Skip to main content
Select language
Skip to search

mozilla

Mozilla Developer Network

Sign in
- Sign in or create an account:
  GitHub
- Sign in:
  Persona

Edit
Advanced
- History
- Print this article

Your Search Results

hasUserValue

In This Article

« XUL Reference home

hasUserValue(): Return type: boolean; Returns true if the preference has been changed from its default value.

Document Tags and Contributors

Tags:

Contributors to this page: Sheppy, trevorh, Marsf, BenoitL, Dria

Last updated by: Sheppy, Apr 14, 2014, 10:37:20 AM