Projects / log4javascript

log4javascript

log4javascript provides JavaScript developers with a familiar, robust, and flexible logging framework with which to debug JavaScript applications. This is becoming increasingly important as Web interfaces become richer. log4javascript is based on Java's log4j and is tested and works across all recent major browsers, including IE5+ (for Windows), Firefox, Mozilla, Netscape 7+, Safari 1.3+, Opera 7.5+, Konqueror 3.4+, and Google Chrome.

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Recent releases

  •  12 May 2014 22:53

    Release Notes: This is a minor release that fixes a single bug in BrowserConsoleAppender.

    •  24 Mar 2009 20:10

      Release Notes: This is a minor bugfix release. It fixes a bug (#2519903) with PopUpAppender in a page whose URL contains a query string, and adds an isVisible() method to PopUpAppender.

      •  31 Oct 2008 04:04

        Release Notes: This is a major release with some new features and several smaller enhancements and bugfixes. Changes include three editions (Standard, Production and Lite), hierarchical loggers identical to log4j's, a new command line in the logging console with command history and several built-in command line functions, multiple log messages in a single logging call, grouped log messages, built-in timers, and support for IE8 beta 2.

        •  21 Nov 2006 10:54

          Release Notes: This is a minor bugfix release that addresses issues with the interaction of the search and severity filters in the console window used by PopUpAppender and InPageAppender.

          •  19 Oct 2006 22:14

            Release Notes: This is the most major release since log4javascript was first made publicly available, and includes several major enhancements, some minor bugfixes, and full support for Internet Explorer 7 Release Candidate 1. Enhancements include Firebug support, a compressed (30% smaller) version of the main file included in the distribution, several enhancements to the logging console, including a better search and an optional limit on the number of messages that are displayed and stored, and a facility to log JavaScript objects and exceptions.

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