Re: Mutation events replacement

• From: Boris Zbarsky <bzbarsky@MIT.EDU>
• Date: Wed, 06 Jul 2011 10:43:21 -0400
• To: public-webapps@w3.org
• Message-ID: <4E147489.3050305@mit.edu>

On 7/6/11 10:23 AM, John J. Barton wrote:
> This is another advantage of onModelChanging or 'before' events. All of
> the previous values are available for listeners and the task of
> selecting which ones to process is left to the listener.

Yes, I realize this is useful.  This is why Gecko internally has an 
AttributeWillChange notification....

Again, the problem is preventing malicious onModelChanging listeners 
from screwing everyone else over.

-Boris

Received on Wednesday, 6 July 2011 14:43:49 UTC