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When Firebug was first released back in the good old days, there were not many comparable web development extensions available.
Web browsers did not ship with Developer Tools included, and Chrome was not even born yet. This changed over the years, and nearly every browser ships with its set of dev tools included nowadays.
Firebug on the other hand as been in development ever since, and while it still offers several interesting features, some core mechanics of it were lacking.
Older versions of the add-on used Firefox's debugging engine JSD1 for example which slowed down the browser significantly. Mozilla removed the debugging engine in Firefox 30 which is one reason why the new version of Firebug got released by the development team.
Firebug 2.0 changes that by switching over to the new debugging engine JSD2 which means that performance related issues in this regard should be a thing of the past.
But that is just one new feature of the new version. You can check out the official release notes to go through them all if you want, or take a look at the list of major new features, improvements and changes below.
When you install Firebug, it will take over the default Firefox Developer Tools shortcut (F12).
Firebug 2.0 adds several interesting new features to the web development extension, especially the upgrade to the new engine should improve performance of the add-on for users.
Ghacks is a technology news blog that was founded in 2005 by Martin Brinkmann. It has since then become one of the most popular tech news sites on the Internet with five authors and regular contributions from freelance writers.
I used to use Firebug back in the day but now I don’t see any point as Firefox’s built in developer tools do everything I want. What is the main selling point of Firebug over Firefox’s own dev tools?
Maybe the extensions that you can load into it?
Depends what development you do.
Some of the Firebug features that i use and are not available in Firefox’s built in tools.
In firebug you can expand the script console.
Firebug has the DOM panel.
Firefox tools have “Box Model” vs Firebug’s “Layout”. In the “Layout” you can modify the values(margin,padding etc) .You can’t do it in the “Box Model”.
Above are from previous versions. I did not upgrade yet.
“Firefox tools have “Box Model” vs Firebug’s “Layout”. In the “Layout” you can modify the values(margin,padding etc) .You can’t do it in the “Box Model”.”
Wait six weeks. In Firefox 31 you can modify the values. ;-)
I should have said this years ago …… Your blood is worth drinking, Martin …. Ghacks should be compulsory reading!
Not sure about the blood thing ;) but +1 to Ghacks being compulsory reading
I use both Firebug and the built-in Firefox dev tools. Each has its good/bad points. Without writing a blog post on the subject, my most basic reason is I like the built-in’s GUI (layout/styling) but I like Firebug’s blue-border inspection coloring; I can just see it better. When the Hell is Firefox going to use some coloring for inspecting? Not to mention, if Firebug can make a one-click inspection button on the navbar, why can’t the built-in? It’s 2 clicks – I’ve checked every developer’s add-ons for YEARS – am I the only dev who prefers clicking over hotkeys? :)