User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9b2) Gecko/2007121120 Firefox/3.0b2 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9b2) Gecko/2007121120 Firefox/3.0b2 When I have several tabs I would like to close in succession I can't continuously click until all the tabs are closed I have to pause between each click before it will close the next tab. Reproducible: Always Steps to Reproduce: 1.Open Multiple Tabs 2.Continuously click the close button. Actual Results: Depending on the speed of the clicking one or two tabs would close. Expected Results: Closed each tab until I stopped clicking.