gs gs106 Performance Measures in JavaScript - JavaScript with FireBug - Quiz No.1
gs gs106 Javascript Quiz
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Question 1: Firebug is an extension of which browser?
Mozilla
Chrome
IE
Opera
Question 2: Firebug can be used to inspect ___________
HTML
CSS
DOM
All of the mentioned
Question 3: Why do Web Developers use Firebug?
Track cookies
Track sessions
Both Track cookies and sessions
Track data
Question 4: What are the goals for using Firebug?
Performance
Adaptability
Complexity
Reliability
Question 5: Which of the following is not a feature of the User Interface?
Skinnable Interface
Resizable Side Panel
Fixed Side Panel
Menu options
Question 7: Which of the following property(s) has a default value as false?
disableWhenFirebugActive
showIconWhenHidden
disableXHRListener
both disableWhenFirebugActive & showIconWhenHidden
Question 8: Which of the following action is possible in Firebug when used as a JavaScript Debugger and Profiler?
Pause execution in any line
Find Scripts easily
Find Scripts easily & also Pause execution in any line
Find text easily
Question 9: What will be the output or type of error if p is not defined in the following JavaScript code?
console.log(p)
Zero
Null
ReferenceError
ValueNotFoundError
Question 10: The let keyword can be used ___________
in a for or for/in loop, as a substitute for var
as a block statement, to define new variables
to define variables that are scoped to a single expression
all of the mentioned
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