78 

    79 * Debugin Firefox.

    80 

    81   https://developer.mozilla.org/en/how_to_get_a_stacktrace_with_windbg

    82 

    83 * Debugin JavaScript in Firefox.

    84 

    85 ** Debugging JavaScript in Firefox with Web Console.

    86 

    87 'console.log()', 'console.info()', 'console.warn()', 'console.error()'.

    88 

    89   https://developer.mozilla.org/en/Using_the_Web_Console

    90 

    91 ** Debugging JavaScript in Firefox with Firebug.

    92 

    93 With Firebug you can use 'console.log(obj)' for logging. Also output can be grouped with

    94 console.group("name") to start a new indentation block, and then console.groupEnd().

    95 

    96 Same but with different coloring do 'console.debug', 'console.info', 'console.warn', and

    97 'console.error' functions.

    98 

    99 'console.log' can format strings in the great tradition of printf.

   100 

   101 'console.trace()' - to print trace.

   102 

   103   http://getfirebug.com/logging

   104 

   105 ** dump().

   106 

   107 Set in 'about:config' 'browser.dom.window.dump.enabled' to 'true'.

   108 

   109 All messages go to Web console.

   110