What is the purpose of the preventDefault() method in touch event handling?

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 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 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

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 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 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 event is fired when a user places a finger on the touch surface?

A). touchend

B). touchmove

C). touchstart

D). touchcancel

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 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