Why is feedback important in touch interactions?

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 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

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

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 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 .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

In the context of touch events, what is a gesture?

A). A complex touch interaction

B). A single touch interaction

C). A visual design element

D). A type of touch event

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 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 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