Answer & Solution
Answer: Option B
Solution:
Touch events are used to handle user interactions on touch-enabled devices, making the interface more intuitive and responsive.
Q
What is the primary purpose of touch events in mobile devices?
Related Questions on Average
What is the benefit of using pinch-to-zoom in mobile interfaces?
A). Improves SEO
B). Enhances image loading speed
C). Provides a better user interaction
D). Reduces bandwidth usage
Which event is fired when a user places a finger on the touch surface?
A). touchend
B). touchmove
C). touchstart
D). touchcancel
Which touch event is fired when a touch point is removed from the touch surface?
A). touchstart
B). touchmove
C). touchcancel
D). touchend
How can you detect a swipe gesture in JavaScript?
A). By tracking only touchstart event
B). By tracking touchstart and touchmove
C). By tracking touchstart and touchend
D). By tracking touchstart, touchmove, and touchend
What is a common use case for the touchmove event in mobile web applications?
A). To detect finger movement across the screen
B). To initiate a new touch point
C). To end a touch interaction
D). To cancel a touch interaction
What is the role of transform: scale() in implementing pinch-to-zoom functionality?
A). It rotates the element
B). It changes the opacity of the element
C). It scales the element size
D). It moves the element
How can touch interactions be tested effectively on multiple devices?
A). By using a single mobile device
B). By using only desktop browsers
C). By testing on a range of devices and screen sizes
D). By disabling touch events in the code
How does the touch-action CSS property contribute to touch event handling?
A). Prevents all touch interactions
B). Defines how an element can be manipulated by touch
C). Increases the speed of touch events
D). Disables touch events
What is the touchcancel event used for?
A). To handle touch point disruptions
B). To handle touch point movements
C). To handle touch point starts
D). To handle touch point ends
Why is it important to prevent default actions for certain touch events?
A). To increase load times
B). To handle custom touch interactions
C). To improve SEO
D). To reduce JavaScript usage