Developing client side code can be challenging, often you need to be able to break at very specific place in the code to debug an issue, check a variable value or troubleshoot a non operational point.
Firebug has a very useful feature, 'Break on Next' which can be used to break on the next line of javascript that executes. However, most pages have mouseover effects, click events and other things that may fire before you can ever get to the thing that you want to break on. What if you want to break on a sub menu that can only be reached by clicking on it's parent?
Firebug 1.10a8 introdcued a short cut key to enable 'Break on Next'. This allows you to get your mouse lined up on the exact position in your app that you want to break on, hit CTRL-ALT-B on your keyboard and then click. This allows you to get past all the mouseover, onclick and other issues and break on exactly the click you want to break on.
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