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 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 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
What is the primary purpose of touch events in mobile devices?
A). To enhance visual design
B). To handle user interactions
C). To increase loading speed
D). To improve SEO
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
What library can be used to simplify handling touch gestures in JavaScript?
A). jQuery
B). Bootstrap
C). Hammer.js
D). Angular.js
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
What event should be used to handle double-tap gestures?
A). touchstart
B). touchmove
C). doubletap
D). touchend
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