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
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 is the benefit of using pinch-to-zoom in mobile interfaces?
A). Improves SEO
B). Enhances image loading speed
C). Provides a better user interaction
D). Reduces bandwidth usage
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
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
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 event should be used to handle double-tap gestures?
A). touchstart
B). touchmove
C). doubletap
D). touchend
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 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