Javascript Online Quiz


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Following quiz provides Multiple Choice Questions (MCQs) related to Javascript Framework. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Questions and Answers

Answer : D

Explanation

All of the above options are correct.

Q 3 - Which built-in method removes the last element from an array and returns that element?

A - last()

B - get()

C - pop()

D - None of the above.

Answer : C

Explanation

pop() method removes the last element from an array and returns that element.

Q 4 - All user-defined objects and built-in objects are descendants of an object called Object?

A - true

B - false

Answer : A

Explanation

All user-defined objects and built-in objects are descendants of an object called Object.

Q 5 - Which of the following function of Number object returns a string value version of the current number in a format that may vary according to a browser's locale settings.?

A - toExponential()

B - toFixed()

C - toLocaleString()

D - toString()

Answer : C

Explanation

toLocaleString() − Returns a string value version of the current number in a format that may vary according to a browser's locale settings.

Q 6 - Which of the following function of String object is used to find a match between a regular expression and a string, and to replace the matched substring with a new substring?

A - concat()

B - match()

C - replace()

D - search()

Answer : C

Explanation

replace() − Used to find a match between a regular expression and a string, and to replace the matched substring with a new substring.

Q 7 - Which of the following function of String object creates an HTML anchor that is used as a hypertext target?

A - anchor()

B - link()

C - blink()

D - big()

Answer : A

Explanation

anchor() − Creates an HTML anchor that is used as a hypertext target.

Q 8 - Which of the following function of String object causes a string to be displayed in the specified color as if it were in a <font color='color'> tag?

A - fixed()

B - fontcolor()

C - blink()

D - bold()

Answer : B

Explanation

fontcolor() − Causes a string to be displayed in the specified color as if it were in a <font color = 'color'> tag.

Q 9 - Which of the following function of Array object creates a new array with all of the elements of this array for which the provided filtering function returns true?

A - concat()

B - every()

C - filter()

D - some()

Answer : C

Explanation

filter() − Creates a new array with all of the elements of this array for which the provided filtering function returns true.

Q 10 - Which of the following function of Array object returns a string representing the array and its elements?

A - toSource()

B - sort()

C - splice()

D - toString()

Answer : D

Explanation

toString() − Returns a string representing the array and its elements.

javascript_questions_answers.htm
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