What is the touchcancel event used for?

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

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 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 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

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 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

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

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

A). jQuery

B). Bootstrap

C). Hammer.js

D). Angular.js

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