This document discusses various debugging tools for web development including FireBug, the debugger in Internet Explorer 8, and alternatives. It explains that FireBug and the IE8 debugger allow inspecting HTML, CSS, DOM elements and JavaScript, which is useful for debugging websites. It provides links to tutorials on using these debuggers.

1. Debugger
@EBvi

2. Debug

4. IE
FireBug

5. HTML
CSS ,
, DOM
javascript

6. HTML
HTML

7. HTML

8. DOM

9. CSS

12. http://vimeo.com/3217224

13. IE
IE8
F12 !

16. http://msdn.microsoft.com/en-us/library/dd565624%28VS.85%29.aspx

18. alt

19. css

20. css javascript