gs gs106 Classes and Modules - JavaScript Subsets - Quiz No.1
gs gs106 Javascript Quiz
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Question 1: The Crockford’s subset does not include which function in JavaScript?
eval()
coeval()
equal()
equivalent()
Question 2: What does javascript use instead of == and !=?
It uses bitwise checking
It uses === and !== instead
It uses equals() and notequals() instead
It uses equalto()
Question 3: What is being imposed on each subset to ensure that it conforms to the subset?
A parser to parse the code
A parser that parses and adds to the subset
A static verifier that parses code
A predefined function to parse the code
Question 4: Why was “The Good Parts” designed as a language subset in JavaScript?
To improve programmer flexibility
To balance the workload of the programmer
To create an in-built compiler and interpreter
To improve programmer productivity
Question 5: Which is the subset that is a secure container designed for the purpose of safely running untrusted JavaScript?
Sandbox
The Good Parts
Both Sandbox and Good Parts
Web browser
Question 6: Why is this keyword not preferred in JavaScript?
Highly memory consuming
Functions should access the global objects
Functions should not access the global objects
Very inefficient to use
Question 7: Which are the two functions that are not allowed in any secure subset?
evaluate() and restrict()
eval() and the Function() constructor
debugger() and test()
eval() and debugger()
Question 8: Which is the object that defines methods that allow complete control over page content?
The client-side document object
The server-side document object
Both client-side and server-side document object
Web document object
Question 9: Which was one of the first security subsets proposed?
FBJS
Caja
dojox.secure
ADSafe
Question 10: Which is the subset that transforms web content into secure modules that can be safely hosted on a web page?
Microsoft Web Sandbox
ADsafe
Caja
dojox.secure
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