IBM Worklight v5.0.5 > API reference > IBM Worklight client-side API > JavaScript client-side APIWL.Client.hasUserPref
Check whether a specified user preference is defined locally in the application.
WL.Client.hasUserPref(key)
Parameter Description key The user preference key.
Return Value
Returns true if the preference exists, false otherwise.
Exceptions
An exception is thrown when invalid parameters are passed to the function.
Parent JavaScript client-side API