Execute callbacks on focus or un-focus of window.
Allows you to register multiple callbacks on the events.
Also allows you to remove registered callbacks on the events
http://jsfiddle.net/ilijamt/7cpsm/
- addFocusCallback(function)
- removeFocusCallback(callback_id)
- addUnFocusCallback(function)
- removeUnFocusCallback(callback_id)
The add callbacks function return the key of the registered callback, you can use that key if you want to remove the callback from the targeted eevent
Licensed under the MIT license:
http://www.opensource.org/licenses/mit-license.php
The MIT License (MIT)
Copyright (c) 2013 Ilija Matoski
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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