Javascript Online Quiz

Q 1 - Which of the following is correct about 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.

Q 2 - How can you get the total number of arguments passed to a function?

A - Using args.length property

B - Using arguments.length property

C - Both of the above.

D - None of the above.

Q 3 - Which built-in method returns the character at the specified index?

A - characterAt()

B - getCharAt()

C - charAt()

D - None of the above.

Q 4 - Which built-in method sorts the elements of an array?

A - changeOrder(order)

B - order()

C - sort()

D - None of the above.

Q 5 - Which of the following function of Number object returns a string value version of the current number?

A - toString()

B - toFixed()

C - toLocaleString()

D - toPrecision()

Q 6 - Which of the following function of String object returns the characters in a string beginning at the specified location through the specified number of characters?

A - slice()

B - split()

C - substr()

D - search()

Q 7 - Which of the following function of String object returns the calling string value converted to upper case while respecting the current locale?

A - toLocaleUpperCase()

B - toUpperCase()

C - toString()

D - substring()

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()

Q 9 - Which of the following function of Array object joins all elements of an array into a string?

A - concat()

B - join()

C - pop()

D - map()

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()