======
cancel
======

.. js:function:: cancel() 

**domain**: client 

**language**: javascript

**class** :doc:`Item class </refs/client/item_api>`

Description
===========

Call ``cancel`` to undo modifications made to one or more fields belonging to 
the current record, as long as those changes are not already posted to the item 
dataset. 

**Cancel** 

* triggers the 
  :doc:`on_before_cancel <on_before_cancel>`
  event handler if one is defined for the item. 

* to undo modifications made to the current record and its details if the record
  has been edited or removes the new record if one was appended or inserted. 

* puts the item into browse :doc:`state <at_item_state>`

* triggers the 
  :doc:`on_after_cancel <on_after_cancel>`
  event handler if one is 
  defined for the item.
  
* updates 
  :doc:`data-aware controls </programming/interface/data_controls>`

See also
========

:doc:`Modifying datasets </programming/data/modifying_datasets>`