Document Revision History

This table describes the changes to NSTimer Class Reference.

2013-09-18Updated for iOS 7 to add tolerance APIs.
2011-01-07States that you cannot subclass NSTimer.
2009-10-19Updated the descriptions of timer behaviors during some edge cases.
2009-07-14Corrected a minor typographical error.
2008-11-19Augmented parameter descriptions.
2006-09-20Clarified "repeat interval" for non-repeating timers.
2006-05-23First publication of this content as a separate document.