Parsing, Benchmarking And Logging MCQ question and answer in javascript with solution Page-3 section-1

21.
What is the purpose of the radix parameter in the parseInt() method?

A. Numeral system not to be used

B. Numeral system to be used

C. Convertion mode

D. None of the mentioned

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22.
What will be the radix value of the parseInt() method when the string begins with 0?

A. 6

B. 7

C. 8

D. 9

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23.
What is the purpose of the method JSON.parse()?

A. Parses a string to integer

B. Parses a string to JSON

C. Parses a string from JSON to JSON2

D. None of the mentioned

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24.
What is the return type of the method parseInt()?

A. String

B. Float

C. Integer

D. Date

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25.
What are the parameters of the method JSON.parse()?

A. text

B. reviver

C. both text and reviver

D. none of the mentioned

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26.
What will be the radix value of the parseInt() method when the string begins with any other value other than 0x and 0?

A. 8

B. 9

C. 10

D. 11

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27.
What kind of an exception will be thrown if the string to parse is not valid JSON?

A. SyntaxError

B. ArrayOutOfBoundException

C. Both SyntaxError and ArrayOutOfBoundException

D. None of the mentioned

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28.
Which of the following is a JavaScript Compressor?

A. Esprima

B. UgilifyJS

C. Acron

D. None of the mentioned

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29.
What is the purpose of the UgilifyJS?

A. Exposes a simple API

B. Minification

C. Both Exposes a simple API and Minification

D. None of the mentioned

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30.
Which of the following is the fastest JavaScript parser?

A. JSLint

B. Esprima

C. Acron

D. Traceur

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Parsing, Benchmarking And Logging MCQ question and answer in javascript with solution

21. What is the purpose of the radix parameter in the parseInt() method?

Answer & Solution

22. What will be the radix value of the parseInt() method when the string begins with 0?

Answer & Solution

23. What is the purpose of the method JSON.parse()?

Answer & Solution

24. What is the return type of the method parseInt()?

Answer & Solution

25. What are the parameters of the method JSON.parse()?

Answer & Solution

26. What will be the radix value of the parseInt() method when the string begins with any other value other than 0x and 0?

Answer & Solution

27. What kind of an exception will be thrown if the string to parse is not valid JSON?

Answer & Solution

28. Which of the following is a JavaScript Compressor?

Answer & Solution

29. What is the purpose of the UgilifyJS?

Answer & Solution

30. Which of the following is the fastest JavaScript parser?

Answer & Solution

21.
What is the purpose of the radix parameter in the parseInt() method?

22.
What will be the radix value of the parseInt() method when the string begins with 0?

23.
What is the purpose of the method JSON.parse()?

24.
What is the return type of the method parseInt()?

25.
What are the parameters of the method JSON.parse()?

26.
What will be the radix value of the parseInt() method when the string begins with any other value other than 0x and 0?

27.
What kind of an exception will be thrown if the string to parse is not valid JSON?

28.
Which of the following is a JavaScript Compressor?

29.
What is the purpose of the UgilifyJS?

30.
Which of the following is the fastest JavaScript parser?