Firebug is a free web browser extension for Firefox that allows developers to inspect, edit, and debug website CSS, HTML, DOM, and JavaScript. It facilitates live debugging and monitoring of websites. Firebug allows developers to inspect HTML and CSS behavior and layout, debug JavaScript, detect website performance issues, and track cookies and sessions. It can be installed via the Firebug website and launched by pressing F12, clicking the Firebug toolbar button, or right clicking an element on a webpage.

1. Fire Bug
Presented by:Er.Sudan prajapati

2. Introduction
• Firebug is a free and open-source web browser extension for Mozilla
Firefox that facilitates the live debugging, editing, and monitoring of any
website's CSS, HTML, DOM, and JavaScript.
• Firebug is licensed under the BSD license and was initially written in
January 2006 by Joe Hewitt, one of the original Firefox creators.
• The Firebug Working Group oversees the open source development and
extension of Firebug. It has two major implementations.

4. Why do Web Developers use Firebug?
• Inspect the behavior of HTML/CSS, and
modify style & layout with true.
• Debug JavaScript
• Detect performance of website
• Track Cookies & Sessions.

5. Installation of Firebug for Mozilla Firefox Browser
To install Firebug for Firefox, go to http://www.getfirebug.com .
click on Install Firebug

6. Ways to Launch Firebug
With the Mozilla Firefox browser open…
1) Press F12 on the keyboard (By default, body HTML Element is
selected)
2) Press the Firebug button on the toolbar (By default, body HTML
Element is selected
3) In the current webpage, right click on an element (an image, text,
background, etc).

7. Ways to Launch Firebug

8. Hello, Firebug!

9. Any Queries