... just set a breakpoint, paus-ing the evaluation of scripts (and rendering in general) at a certain spot. From here,we can resume the page load, step through functions one by one, and even use ... you canhalt the bubbling phase using the stopPropagation method.• When you need to stop the event from bubbling and prevent the default action,use Prototype s custom stop method. It’s a shortcut ... willmake mistakes simply because all this may be new and unfamiliar. Don’t get discour-aged! Rely on your tools—Firebug, Microsoft Script Debugger, and even the trusty alertdialog—to get you...