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jQuery Pocket Reference
book

jQuery Pocket Reference

by David Flanagan
December 2010
Intermediate to advanced
160 pages
3h 31m
English
O'Reilly Media, Inc.
Content preview from jQuery Pocket Reference

Deregistering Event Handlers

After registering an event handler with bind() (or with any of the simpler event registration methods) you can deregister it with unbind() to prevent it from being triggered by future events. (Note that unbind() only deregisters event handlers registered with bind() and related jQuery methods. It does not deregister handlers passed to addEventListener() or the IE method attachEvent(), and it does not remove handlers defined by element attributes such as onclick and onmouseover.) With no arguments, unbind() deregisters all event handlers (for all event types) for all elements in the jQuery object:

// Remove all jQuery event handlers from all elements!
$('*').unbind();  

With one string argument, all handlers for the named event type (or types, if the string names more than one) are unbound from all elements in the jQuery object:

// Unbind all mouseover and mouseout handlers
// of all <a> tags
$('a').unbind("mouseover mouseout"); 

This is a heavy-handed approach and should not be used in modular code because someone might also be using other modules that register their own handlers for the same event types on the same elements. If your module registered event handlers using namespaces, however, you can use this one-argument version of unbind() to deregister only the handlers in your namespace:

// Unbind all mouseover and mouseout handlers // in the "myMod" namespace $('a').unbind("mouseover.myMod mouseout.myMod"); // Unbind handlers for any event in the myMod ...
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Publisher Resources

ISBN: 9781449398958Errata Page