Deprecated

These items have been deprecated, though not necessarily removed, from jQuery.

jQuery.browser
Properties of the Global jQuery Object, Utilities
Contains flags for the useragent, read from navigator.userAgent. We recommend against using this property; please try to use feature detection instead (see jQuery.support). jQuery.browser may be moved to a plugin in a future release of jQuery.
deferred.isRejected()
Deferred Object
Determine whether a Deferred object has been rejected.
deferred.isResolved()
Deferred Object
Determine whether a Deferred object has been resolved.

jQuery API