What event should be used to handle double-tap gestures?
A). touchstart
B). touchmove
C). doubletap
D). touchend
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 library can be used to simplify handling touch gestures in JavaScript?
A). jQuery
B). Bootstrap
C). Hammer.js
D). Angular.js
Which touch event is fired when a touch point is removed from the touch surface?
A). touchstart
B). touchmove
C). touchcancel
D). 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 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 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 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
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 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