22.
Firebug can be used to inspect

23.
Why do Web Developers use Firebug?

24.
What are the goals for using Firebug?

25.
Which of the following is not a feature of the User Interface?

26.
What is the default value of the property overrideConsole

27.
Which of the following property(s) has a default value as false?

28.
Which of the following action is possible in Firebug when used as a JavaScript Debugger and Profiler?

29.
The let keyword can be used

30.
How does PhantonJS use YSlow?