Which event is fired when a user places a finger on the touch surface?
A). touchend
B). touchmove
C). touchstart
D). touchcancel
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
How can touch interactions be tested effectively on multiple devices?
A). By using a single mobile device
B). By using only desktop browsers
C). By testing on a range of devices and screen sizes
D). By disabling touch events in the code
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 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
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 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 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
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 library can be used to simplify handling touch gestures in JavaScript?
A). jQuery
B). Bootstrap
C). Hammer.js
D). Angular.js