Javascript Online Quiz


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 : A

Explanation

document.cookie = 'key1 = value1; key2 = value2; expires = date'; is the correct option.

Q 3 - Which of the following type of variable takes precedence over other if names are same?

A - global variable

B - local variable

C - Both of the above.

D - None of the above.

Answer : B

Explanation

A local variable takes precedence over a global variable with the same name.

Q 4 - Which of the following function of Number object formats a number with a specific number of digits to the right of the decimal?

A - toExponential()

B - toFixed()

C - toPrecision()

D - toLocaleString()

Answer : B

Explanation

toFixed() − Formats a number with a specific number of digits to the right of the decimal.

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()

Answer : A

Explanation

toString() − Returns a string value version of the current number.

Q 6 - Which of the following function of String object returns the characters in a string between two indexes into the string?

A - slice()

B - split()

C - substr()

D - substring()

Answer : D

Explanation

substring() − Returns the characters in a string between two indexes into the string.

Q 7 - Which of the following function of String object creates a string to be displayed as bold as if it were in a <b> tag?

A - anchor()

B - big()

C - blink()

D - bold()

Answer : D

Explanation

bold() − Creates a string to be displayed as bold as if it were in a <b> tag.

Q 8 - Which of the following function of String object causes a string to be displayed in fixed-pitch font as if it were in a <tt> tag?

A - fixed()

B - big()

C - blink()

D - bold()

Answer : A

Explanation

fixed() − Causes a string to be displayed in fixed-pitch font as if it were in a <tt> tag.

Q 9 - Which of the following function of Array object returns true if every element in this array satisfies the provided testing function?

A - concat()

B - every()

C - push()

D - some()

Answer : B

Explanation

every() − Returns true if every element in this array satisfies the provided testing function.

Q 10 - Which of the following function of Array object sorts the elements of an array?

A - toSource()

B - sort()

C - toString()

D - unshift()

Answer : B

Explanation

sort() − Sorts the elements of an array.

javascript_questions_answers.htm
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