Q
What is the role of transform: scale() in implementing pinch-to-zoom functionality?

Answer & Solution

Answer: Option C
Solution:
The transform: scale() CSS property scales the size of an element, essential for implementing pinch-to-zoom functionality.
Related Questions on Average

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

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

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

A). jQuery

B). Bootstrap

C). Hammer.js

D). Angular.js

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

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

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

A). touchstart

B). touchmove

C). touchcancel

D). touchend

How does the touch-action CSS property contribute to touch event handling?

A). Prevents all touch interactions

B). Defines how an element can be manipulated by touch

C). Increases the speed of touch events

D). Disables touch events