Why is it important to prevent default actions for certain touch events?

Which touch event is fired when a touch point is removed from the touch surface?

A). touchstart

B). touchmove

C). touchcancel

D). 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

What event should be used to handle double-tap gestures?

A). touchstart

B). touchmove

C). doubletap

D). touchend

What library can be used to simplify handling touch gestures in JavaScript?

A). jQuery

B). Bootstrap

C). Hammer.js

D). Angular.js

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 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 should you consider when implementing touch gestures for accessibility?

A). Ignore touch gestures for accessibility

B). Provide alternative interactions

C). Use only complex gestures

D). Focus on visual design only

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 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