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
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
Which event is fired when a user places a finger on the touch surface?
A). touchend
B). touchmove
C). touchstart
D). touchcancel
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
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 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 event should be used to handle double-tap gestures?
A). touchstart
B). touchmove
C). doubletap
D). touchend
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