Parsing Values using JavaScript MCQ

Test your knowledge with important Parsing Values using JavaScript MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Parsing Values using JavaScript MCQs at Bissoy

• Which of the following is the fastest JavaScript parser?
  ক

  JSLint

  খ

  Esprima

  গ

  Acron

  ঘ

  Traceur
• What is the purpose of the UgilifyJS?
  ক

  Exposes a simple API

  খ

  Minification

  গ

  Both Exposes a simple API and Minification

  ঘ

  Compilation
• Which of the following is a JavaScript Compressor?
  ক

  Esprima

  খ

  UgilifyJS

  গ

  Acron

  ঘ

  Compressify
• What kind of an exception will be thrown if the string to parse is not valid JSON?
  ক

  SyntaxError

  খ

  ArrayOutOfBoundException

  গ

  Both SyntaxError and ArrayOutOfBoundException

  ঘ

  Compilation error
• What will be the radix value of the parseInt() method when the string begins with any other value other than 0x and 0?
  ক

  8

  খ

  9

  গ

  10

  ঘ

  11
• What are the parameters of the method JSON.parse()?
  ক

  text

  খ

  reviver

  গ

  both text and reviver

  ঘ

  object
• What is the return type of the method parseInt()?
  ক

  String

  খ

  Float

  গ

  Integer

  ঘ

  Date
• What is the purpose of the method JSON.parse()?
  ক

  Parses a string to integer

  খ

  Parses a string to JSON

  গ

  Parses a string from JSON to JSON2

  ঘ

  Parses integer to string
• What will be the radix value of the parseInt() method when the string begins with 0?
  ক

  6

  খ

  7

  গ

  8

  ঘ

  9
• What is the purpose of the radix parameter in the parseInt() method?
  ক

  Numeral system not to be used

  খ

  Numeral system to be used

  গ

  Conversion mode

  ঘ

  Parsing mode
• What does it indicate when the radix value is 16?
  ক

  String begins with 0x

  খ

  String begins with 0

  গ

  String begins with 0P

  ঘ

  String begins with FF
• What is the function of the parseInt() method?
  ক

  Parses a data type and stores in an integer

  খ

  Parses a string and returns an integer

  গ

  Parses an integer and returns a string

  ঘ

  Parses a string and return an object
• What will be the radix value if the string begins with 0x?
  ক

  13

  খ

  14

  গ

  15

  ঘ

  16
• What will happen if the radix parameter of the parseInt() function is omitted?
  ক

  Runs in assumption

  খ

  Throws exception

  গ

  Aborts

  ঘ

  Taken as 0
• To which of the following object does the print() method belong to?
  ক

  window

  খ

  document

  গ

  hash

  ঘ

  string
• Which is the function in JavaScript that will print the current page in JavaScript?
  ক

  print()

  খ

  printcurrent()

  গ

  print(now)

  ঘ

  print(this)
• What is the parameter of the method Date.parse()?
  ক

  date

  খ

  string

  গ

  datestring

  ঘ

  string
• What is the purpose of the url json?
  ক

  Belongs to JSON object

  খ

  Reference JSON formatted data

  গ

  Belongs to JSON

  ঘ

  Compiles json data
• What is the purpose of the method ActiveXObject()?
  ক

  Used to call automation object

  খ

  Used to reference automation object

  গ

  Used to instantiate automation object

  ঘ

  Used to call & reference automation object
• What is the function of the XML parser?
  ক

  Converts XML document to XML DOM object

  খ

  Converts XML DOM object to XML document

  গ

  Converts XML DOM object to a comment

  ঘ

  Compiles the html document