What library can be used to simplify handling touch gestures in JavaScript?
A). jQuery
B). Bootstrap
C). Hammer.js
D). Angular.js
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 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 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 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 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
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
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 is the purpose of the preventDefault() method in touch event handling?
A). To allow default touch behavior
B). To prevent the default browser action
C). To increase page load time
D). To disable touch events