Fundamentals of Front End Development MCQs with Answers
Practice important Fundamentals of Front End Development MCQs with answers and explanations.
Chapter: 101
Q1121:
Which method would you use to gradually change the opacity from visible to hidden?
A. fadeIn()
B. fadeOut()
C. fadeToggle()
D. fadeTo()
Correct Answer:
B
Chapter: 101
Q1122:
Fill in the blank: The fadeToggle() method __________ the selected elements if they are visible.
A. Shows
B. Slides up
C. Fades out
D. Hides
Correct Answer:
C
Chapter: 101
Q1123:
What is the default speed value for jQuery animation methods like fadeIn() and fadeOut()?
A. 200 milliseconds
B. 400 milliseconds
C. 600 milliseconds
D. 1000 milliseconds
Correct Answer:
B
Chapter: 101
Q1124:
Fill in the blank: The fadeTo() method allows you to fade to a given __________.
A. Speed
B. Opacity
C. Height
D. Width
Correct Answer:
B
Chapter: 101
Q1125:
Which method would you use to toggle between showing and hiding elements in jQuery?
A. slideDown()
B. slideUp()
C. fadeToggle()
D. toggle()
Correct Answer:
D
Chapter: 101
Q1126:
Fill in the blank: The slideDown() method __________ and shows the selected elements.
A. Slides up
B. Slides down
C. Fades out
D. Hides
Correct Answer:
B
Chapter: 101
Q1127:
What is the purpose of a callback function in jQuery?
A. To execute after an animation is 100% complete
B. To handle errors in jQuery code
C. To select elements based on a condition
D. To attach an event handler
Correct Answer:
A
Chapter: 101
Q1128:
Fill in the blank: To prevent errors during animations, you can use a __________ function.
A. Slide
B. Toggle
C. Callback
D. Easing
Correct Answer:
C
Chapter: 101
Q1129:
Which jQuery method is used to slide up and hide the selected elements?
A. slideDown()
B. slideToggle()
C. slideUp()
D. fadeOut()
Correct Answer:
C
Chapter: 101
Q1130:
Fill in the blank: The hide() method can be used with an optional __________ parameter.
A. Selector
B. Callback
C. Opacity
D. Class
Correct Answer:
B
Chapter: 101
Q1131:
What does the easing parameter control in jQuery animations?
A. The speed of the animation
B. The delay before the animation starts
C. The style of animation (e.g., swing or linear)
D. The element to be animated
Correct Answer:
C
Chapter: 101
Q1132:
Fill in the blank: The show() method can take an optional __________ parameter to set the speed of the animation.
A. Easing
B. Speed
C. Callback
D. Selector
Correct Answer:
B
Chapter: 101
Q1133:
What happens when the fadeOut() method is used on a visible element?
A. The element's opacity gradually changes to 1
B. The element's opacity gradually changes to 0
C. The element slides up
D. The element's width gradually changes to 0
Correct Answer:
B
Chapter: 101
Q1134:
Fill in the blank: The slideUp() method __________ the selected elements by sliding them up.
A. Shows
B. Hides
C. Fades out
D. Toggles
Correct Answer:
B
Chapter: 101
Q1135:
Which jQuery method allows you to hide and show elements alternately based on their current visibility?
A. fadeIn()
B. fadeToggle()
C. slideUp()
D. toggle()
Correct Answer:
D
Chapter: 102
Q1136:
What does the animate() method in jQuery do?
A. Stops an animation
B. Creates custom animations
C. Toggles element visibility
D. Changes an element's color
Correct Answer:
B
Chapter: 102
Q1137:
Fill in the blank: To animate an element, the CSS position property must be set to __________.
A. Static
B. Relative, fixed, or absolute
C. Inline
D. None
Correct Answer:
B
Chapter: 102
Q1138:
Which of the following jQuery methods can be used to stop an ongoing animation?
A. stop()
B. pause()
C. halt()
D. clear()
Correct Answer:
A
Chapter: 102
Q1139:
What is the purpose of the stopAll parameter in the stop() method?
A. To stop all queued animations
B. To restart the animation
C. To loop the animation
D. To reverse the animation
Correct Answer:
A
Chapter: 102
Q1140:
Fill in the blank: The jQuery animate() method can accept __________ as animation values.
A. Only pixel values
B. Only numerical values
C. Pre-defined values like "show" and "hide"
D. Only percentages
Correct Answer:
C