The Firebug Extension for Firefox

If you develop for the web, there is a new extension for Firefox that you simply must get:

Firebug combines the functionality of the DOM inspector with the Error console and command-line JavaScript interpretor and then packs it with some great additional features.

Among its many features, Firebug allows you to inspect XMLHttpRequest responses, and so it will be invauable when debugging Ajax applications.

Another great feature is the ability to log custom debug messages from your javascript. Until now, debugging JavaScript often involved strategically placed alert messages. With Firebug, you simply add the following code to your script:

function printfire()
    if (document.createEvent)
        printfire.args = arguments;
        var ev = document.createEvent("Events");
        ev.initEvent("printfire", false, true);

Then you call printfire(something); in your script and your debug message will be logged in the Firebug console.

You can read about Firebug’s other features in the FAQ .

Congratulations to programmer Joe Hewitt for this great plugin!

Category: technology
Tagged: , ,
Bookmark: link

Leave a Reply

Be sure you are familiar with the Comment Policy before commenting.

Anyone who wishes to comment here must register for a login or connect using their Facebook account. Registration is simple and fast.

Once you have activated your account, you must log in to post comments. The first time you comment will still be moderated, but once I have approved your first comment you should be able to continue to add additional comments on any article without further impediment as long as you are logged in.