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.
Q 1 - Which of the following is correct about jQuery?
A - The jQuery is very lightweight library - about 19KB in size ( Minified and gzipped ).
C - The jQuery supports CSS3 selectors and basic XPath syntax.
Answer : D
Explaination
All of the above options are correct.
Q 2 - Which built-in method removes the last element from an array and returns that element?
Answer : C
Explaination
pop() method removes the last element from an array and returns that element.
Q 3 - Which built-in method returns the calling string value converted to upper case?
Answer : A
Explaination
toUpperCase() method returns the calling string value converted to upper case.
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 get the input value of an element?
Answer : B
Explaination
The val( ) method gets the input value of the first matched element.
Q 6 - Which of the following jQuery method gets the direct parent of an element?
Answer : C
Explaination
The parent( [selector] ) method gets the direct parent of an element. If called on a set of elements, parent returns a set of their unique direct parent elements.
Q 7 - Which of the following jQuery method gets the width property of an element?
Answer : C
Explaination
The width( ) method gets the width of every matched element.
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.
