Firefox: Disabling exit alert boxes?

Is it possibl开发者_如何学运维e to completely disable the JavaScript exit alert boxes that spring up when I try to leave the page?

I'm running Firewatir on Ubuntu.

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Are you able to use Greasemonkey scripts while using Firewatir? If so, then the BlockUnloadEvents script might do the trick:

http://userscripts.org/scripts/show/23865

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Maybe you could find some help here:

• http://github.com/bret/watir/blob/master/firewatir/unittests/javascript_test.rb
• http://github.com/bret/watir/tree/master/firewatir/unittests/
• http://wiki.openqa.org/display/WTR/JavaScript+Pop+Ups
• http://wiki.openqa.org/display/WTR/Pop+Ups

If not, post the question at http://groups.google.com/group/watir-general/