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
What event should be used to handle double-tap gestures?
A). touchstart
B). touchmove
C). doubletap
D). touchend
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 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
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 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
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 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
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