<!-- Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/ --> <!doctype html> <html> <head> <meta charset="utf-8"/> <title>Debugger test page</title> </head> <body> <button id="start">Start!</button> <script type="text/javascript"> function normal(aArg) { debugger; var r = 10; var a = squareAndOne(r); var b = squareUntil(r, 99999999999); //recurses 3 times, returns on 4th call var c = addUntil(r, 5, 1050); // recurses 208 times and returns on the 209th call return a + b + c; } function squareAndOne(arg){ return (arg * arg) + 1; } function squareUntil(arg, limit){ if(arg * arg >= limit){ return arg * arg; }else{ return squareUntil(arg * arg, limit); } } function addUntil(arg1, arg2, limit){ if(arg1 + arg2 > limit){ return arg1 + arg2; }else{ return addUntil(arg1 + arg2, arg2, limit); } } var normalBtn = document.getElementById("start"); normalBtn.addEventListener("click", normal, false); </script> </body> </html>