Fundamentals of Front End Development MCQs with Answers
Practice important Fundamentals of Front End Development MCQs with answers and explanations.
Chapter: 104
Q1161:
What does the jQuery text() method do?
A. Sets or returns the value of form fields
B. Sets or returns the text content of selected elements
C. Sets or returns the HTML content
D. Sets or returns attribute values
Correct Answer:
B
Chapter: 104
Q1162:
Which method in jQuery is used to get or set the HTML content of selected elements?
A. val()
B. attr()
C. text()
D. html()
Correct Answer:
D
Chapter: 104
Q1163:
What does the jQuery attr() method do?
A. Sets or returns the value of form fields
B. Sets or returns the text content of selected elements
C. Sets or returns the HTML content
D. Sets or returns attribute values
Correct Answer:
D
Chapter: 104
Q1164:
Fill in the blank: The jQuery text() method is used to set or return the __________ of selected elements.
A. HTML content
B. Attribute values
C. Text content
D. Form values
Correct Answer:
C
Chapter: 104
Q1165:
Which jQuery method would you use to add content at the beginning of the selected elements?
A. append()
B. prepend()
C. after()
D. before()
Correct Answer:
B
Chapter: 104
Q1166:
Fill in the blank: To remove a selected element and all its child elements in jQuery, you use the __________ method.
A. empty()
B. remove()
C. filter()
D. detach()
Correct Answer:
B
Chapter: 104
Q1167:
What is the purpose of the empty() method in jQuery?
A. Removes the selected element
B. Removes child elements and content only
C. Filters elements to be removed
D. Sets or returns the text content
Correct Answer:
B
Chapter: 104
Q1168:
Which of the following methods is used to insert content after the selected elements in jQuery?
A. append()
B. prepend()
C. after()
D. before()
Correct Answer:
C
Chapter: 104
Q1169:
What does the html() method return when applied to a form field?
A. HTML content
B. Text content
C. Form field value
D. Attribute value
Correct Answer:
A
Chapter: 104
Q1170:
Fill in the blank: The __________ method in jQuery is used to insert content before the selected elements.
A. append()
B. prepend()
C. after()
D. before()
Correct Answer:
D
Chapter: 104
Q1171:
What happens when the remove() method is called without any parameters?
A. It removes only child elements
B. It removes the selected elements and all child elements
C. It removes all elements in the DOM
D. It filters elements to remove
Correct Answer:
B
Chapter: 104
Q1172:
Which of the following is an example of using a callback function in the text() method?
A. $("#test1").text("Hello world!");
B. $("#test1").text(function(i, origText) { return "Old: " + origText + " New: Good Work!"; });
C. $("#test1").text(function() { return "Hello"; });
D. $("#test1").text("New text");
Correct Answer:
B
Chapter: 104
Q1173:
Fill in the blank: The attr() method in jQuery can be used to __________ an attribute value based on a condition.
A. Remove
B. Add
C. Set
D. Modify
Correct Answer:
D
Chapter: 104
Q1174:
Which method should be used to change the value of an attribute based on its current value?
A. text()
B. html()
C. val()
D. attr()
Correct Answer:
D
Chapter: 104
Q1175:
Fill in the blank: The empty() method removes __________ from the selected elements.
A. Only child elements and content
B. The selected elements and their child elements
C. All elements matching the selector
D. The first child element only
Correct Answer:
A
Chapter: 105
Q1176:
What does the jQuery addClass() method do?
A. Adds one or more classes to the selected elements
B. Removes one or more classes from the selected elements
C. Toggles classes on the selected elements
D. Sets or returns the CSS property
Correct Answer:
A
Chapter: 105
Q1177:
Which method in jQuery is used to remove one or more classes from the selected elements?
A. addClass()
B. removeClass()
C. toggleClass()
D. css()
Correct Answer:
B
Chapter: 105
Q1178:
Fill in the blank: The jQuery css() method is used to set or return the __________ of selected elements.
A. HTML content
B. Attribute value
C. CSS properties
D. Form field value
Correct Answer:
C
Chapter: 105
Q1179:
Which jQuery method would you use to add multiple classes to an element?
A. addClass()
B. removeClass()
C. toggleClass()
D. css()
Correct Answer:
A
Chapter: 105
Q1180:
Fill in the blank: The __________ method in jQuery toggles between adding and removing classes from selected elements.
A. addClass()
B. removeClass()
C. toggleClass()
D. css()
Correct Answer:
C