Fundamentals of Front End Development MCQs with Answers
Practice important Fundamentals of Front End Development MCQs with answers and explanations.
Chapter: 105
Q1181:
What is the correct syntax to set a CSS property using the css() method?
A. css({"propertyname":"value"})
B. css("propertyname", "value")
C. css(propertyname, value)
D. css(propertyname: value)
Correct Answer:
B
Chapter: 105
Q1182:
Which of the following methods is used to return the value of a specified CSS property in jQuery?
A. addClass()
B. removeClass()
C. css()
D. toggleClass()
Correct Answer:
C
Chapter: 105
Q1183:
What happens when the removeClass() method is called without specifying any class?
A. Removes all classes from the selected elements
B. Adds a default class
C. Toggles the classes
D. Throws an error
Correct Answer:
A
Chapter: 105
Q1184:
Fill in the blank: The jQuery css() method can be used to set multiple __________ at once.
A. Elements
B. Classes
C. CSS properties
D. Attributes
Correct Answer:
C
Chapter: 105
Q1185:
Which method should be used to toggle the "blue" class on a set of elements?
A. addClass()
B. removeClass()
C. toggleClass()
D. css()
Correct Answer:
C
Chapter: 105
Q1186:
What is the result of using $("p").css("background-color", "yellow") in jQuery?
A. Sets the background color of the first paragraph only
B. Sets the background color of all paragraphs to yellow
C. Sets the background color of all paragraphs to red
D. Returns the current background color of the first paragraph
Correct Answer:
B
Chapter: 105
Q1187:
Fill in the blank: To return the value of a specified CSS property, the correct syntax is css("__________").
A. "background-color"
B. "propertyname"
C. "font-size"
D. "color"
Correct Answer:
B
Chapter: 105
Q1188:
Which method is used to add the "important" and "blue" classes to the element with id div1?
A. $("#div1").css("important", "blue")
B. $("#div1").addClass("important blue")
C. $("#div1").toggleClass("important blue")
D. $("#div1").addClass(["important", "blue"])
Correct Answer:
B
Chapter: 105
Q1189:
Fill in the blank: To remove a specific class from selected elements, you would use the __________ method in jQuery.
A. addClass()
B. removeClass()
C. toggleClass()
D. css()
Correct Answer:
B
Chapter: 106
Q1190:
What does the width() method in jQuery return?
A. The width including padding and border
B. The width including margin
C. The width excluding padding, border, and margin
D. The height of the element
Correct Answer:
C
Chapter: 106
Q1191:
Which method would you use to get the width of an element including its padding?
A. width()
B. innerWidth()
C. outerWidth()
D. height()
Correct Answer:
B
Chapter: 106
Q1192:
Fill in the blank: To set both the width and height of an element to 500px, you would use $("#div1").___________(500).height(500);.
A. width()
B. height()
C. css()
D. innerWidth()
Correct Answer:
A
Chapter: 106
Q1193:
Which jQuery method includes padding and border when returning the width of an element?
A. width()
B. innerWidth()
C. outerWidth()
D. height()
Correct Answer:
C
Chapter: 106
Q1194:
Fill in the blank: To get the width and height of the document, you would use $(document).___________() and $(document).___________().
A. width() and height()
B. outerWidth() and outerHeight()
C. innerWidth() and innerHeight()
D. css() and size()
Correct Answer:
A
Chapter: 106
Q1195:
What is the correct method to get the width of the browser viewport using jQuery?
A. $(window).width()
B. $(document).width()
C. $("#element").width()
D. $("#element").innerWidth()
Correct Answer:
A
Chapter: 106
Q1196:
Which method is used to set both the width and height of an element in one statement?
A. width() and height()
B. css()
C. innerWidth() and innerHeight()
D. outerWidth() and outerHeight()
Correct Answer:
B
Chapter: 106
Q1197:
Fill in the blank: To set the width of a specified element to 500px using jQuery, you would use $("#element").___________(500);.
A. width()
B. height()
C. css()
D. innerWidth()
Correct Answer:
A
Chapter: 106
Q1198:
To return both the inner width and inner height of an element, which method should be used?
A. innerWidth() and innerHeight()
B. width() and height()
C. outerWidth() and outerHeight()
D. css()
Correct Answer:
A
Chapter: 106
Q1199:
Fill in the blank: The outerWidth() method in jQuery returns the width of an element including its __________.
A. Content
B. Padding and Border
C. Margin
D. Font size
Correct Answer:
B
Chapter: 106
Q1200:
To get the height of an element including padding but not border or margin, which method should be used?
A. height()
B. innerHeight()
C. outerHeight()
D. width()
Correct Answer:
B