Answer & Solution
Answer: Option A
Solution:
The touchcancel event is fired when a touch point is disrupted, such as when an alert pops up.
Q
What is the touchcancel event used for?
Related Questions on Average
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
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
How can you ensure touch interactions are smooth and responsive on mobile devices?
A). By minimizing JavaScript processing
B). By using fixed layouts
C). By preventing all touch events
D). By using high-resolution images
What does the touchmove event do?
A). Fires when a touch point is removed
B). Fires when a touch point moves
C). Fires when a touch point is placed
D). Fires when a touch point is disrupted
What event should be used to handle double-tap gestures?
A). touchstart
B). touchmove
C). doubletap
D). touchend
What is the purpose of the preventDefault() method in touch event handling?
A). To allow default touch behavior
B). To prevent the default browser action
C). To increase page load time
D). To disable touch events
In the context of touch events, what is a gesture?
A). A complex touch interaction
B). A single touch interaction
C). A visual design element
D). A type of touch event
Why is feedback important in touch interactions?
A). To increase server load
B). To provide immediate visual confirmation
C). To reduce the need for CSS
D). To hide elements
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
What does the .on('swipe', function) method in Hammer.js do?
A). Adds a swipe event handler
B). Adds a touchstart event handler
C). Adds a touchmove event handler
D). Adds a touchend event handler