JavaScript Trivia: MCQ Quiz!

10 Questions | By Teachmeidea.cont | Last updated: Feb 10, 2021 | Total Attempts: 309

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Questions and Answers

1.

Which of the following is correct about the features of JavaScript?
- A.
  
  JavaScript is is complementary to and integrated with HTML.
- B.
  
  JavaScript is open and cross-platform.
- C.
  
  Both of the above.
- D.
  
  All of the above.
2.

How can you get the type of arguments passed to a function?
- A.
  
  Using typeof operator
- B.
  
  Using getType function
- C.
  
  Both of the above.
- D.
  
  None of the above.
3.

Which built-in method returns the character at the specified index?
- A.
  
  CharacterAt()
- B.
  
  GetCharAt()
- C.
  
  CharAt()
- D.
  
  None of the above.
4.

Which built-in method returns the string representation of the number's value?
- A.
  
  ToValue()
- B.
  
  ToNumber()
- C.
  
  ToString()
- D.
  
  None of the above.
5.

Which of the following function of the String object returns a number indicating the Unicode value of the character at the given index?
- A.
  
  CharAt()
- B.
  
  CharCodeAt()
- C.
  
  Concat()
- D.
  
  IndexOf()
6.

Which of the following function of the String object returns the index within the calling String object of the last occurrence of the specified value?
- A.
  
  LastIndexOf()
- B.
  
  Search()
- C.
  
  Substr()
- D.
  
  IndexOf()
7.

Which of the following function of the String object creates a string to be displayed in a big font as if it were in a <big> tag?
- A.
  
  Anchor()
- B.
  
  Big()
- C.
  
  Blink()
- D.
  
  Italics()
8.

Which of the following function of the String object causes a string to be displayed as a subscript as if it were in a <sub> tag?
- A.
  
  Sup()
- B.
  
  Small()
- C.
  
  Strike()
- D.
  
  Sub()
9.

Which of the following function of Array object returns the first (least) index of an element within the array equal to the specified value, or -1 if none is found?
- A.
  
  IndexOf()
- B.
  
  Join()
- C.
  
  LastIndexOf()
- D.
  
  Map()
10.

Which of the following function of the Array object returns a string representing the array and its elements?
- A.
  
  ToSource()
- B.
  
  Sort()
- C.
  
  Splice()
- D.
  
  ToString()