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.
Q 1 - Which of the following is correct about JavaScript?
A - JavaScript is a lightweight, interpreted programming language.
Answer : D
Explanation
All of the above options are correct.
Q 2 - Which of the following is true about cookie handling in JavaScript?
A - JavaScript can manipulate cookies using the cookie property of the Document object.
Answer : C
Explanation
Both of the above options are correct.
Q 3 - Which built-in method removes the last element from an array and returns that element?
Answer : C
Explanation
pop() method removes the last element from an array and returns that element.
Q 4 - Which built-in method returns the calling string value converted to lower case?
Answer : A
Explanation
toLowerCase() method returns the calling string value converted to lower case.
Q 5 - Which of the following function of Boolean object returns a string containing the source of the Boolean object?
Answer : A
Explanation
toSource() − Returns a string containing the source of the Boolean object; you can use this string to create an equivalent object.
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?
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 a string to be displayed as bold as if it were in a <b> tag?
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 italic, as if it were in an <i> tag?
Answer : D
Explanation
italics() − Causes a string to be italic, as if it were in an <i> tag.
Q 9 - Which of the following function of Array object removes the last element from an array and returns that element?
Answer : A
Explanation
pop() − Removes the last element from an array and returns that element.
Q 10 - Which of the following function of Array object returns true if at least one element in this array satisfies the provided testing function?
Answer : D
Explanation
some() − Returns true if at least one element in this array satisfies the provided testing function.
