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jQuery - Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to jQuery 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](/images/questions_and_answers.png)
Q 1 - Which of the following is correct about jQuery?
B - The jQuery helps you a lot to develop a responsive and feature-rich site using AJAX technology.
C - The jQuery comes with plenty of built-in animation effects which you can use in your websites.
Answer : D
Explaination
All of the above options are correct.
Q 2 - Which built-in method combines the text of two strings and returns a new string?
Answer : B
Explaination
concat() method returns the character at the specified index.
Q 3 - Which built-in method sorts the elements of an array?
Answer : C
Explaination
sort() method sorts the elements of an array.
Q 4 - Which of the following jQuery method adds the specified class if it is not present, remove the specified class if it is present?
Answer : B
Explaination
The toggleClass(class) method adds the specified class if it is not present, removes the specified class if it is present.
Q 5 - Which of the following jQuery method adds more elements, matched by the given selector, to the set of matched elements?
Answer : A
Explaination
The add( selector ) method adds more elements, matched by the given selector, to the set of matched elements.
Q 6 - Which of the following jQuery method gets a set of elements containing all of the unique immediate children of each of the matched set of elements?
Answer : B
Explaination
The children( [selector]) method gets a set of elements containing all of the unique immediate children of each of the matched set of elements.
Q 7 - Which of the following jQuery method gets a set of elements containing the unique previous siblings of each of the matched set of elements?
Answer : B
Explaination
The prev( [selector] ) method gets a set of elements containing the unique previous siblings of each of the matched set of elements.
Q 8 - Which of the following jQuery method returns the outer height (including the border) of an element?
Answer : C
Explaination
The outerHeight( [margin] ) method gets the outer height (includes the border and padding by default) for the first matched element.
Q 9 - Which of the following jQuery method checks if event.stopPropagation() was ever called on this event object?
Answer : B
Explaination
The isPropagationStopped() method of Event object returns whether event.stopPropagation() was ever called on this event object.
Q 10 - Which of the following jQuery method loads a JSON data using an HTTP GET request?
A - jQuery.get( url, [data], [callback], [type] )
B - jQuery.getJSON( url, [data], [callback] )
Answer : B
Explaination
The jQuery.getJSON( url, [data], [callback], [type] ) method loads JSON data using an HTTP GET request.