Which jQuery method is deprecated in favor of .on() for event delegation?
A). .bind()
B). .live()
C). .delegate()
D). .trigger()
Which scenario is suitable for using event delegation?
A). When dealing with dynamically added elements or a large number of elements.
B). When events need to be triggered manually.
C). When events should be prevented from bubbling up the DOM tree.
D). When there is a need to remove events from the DOM altogether.
What is the advantage of using event delegation in single-page applications (SPAs)?
A). It ensures that events are captured on dynamically generated content.
B). It allows events to be triggered programmatically.
C). It prevents events from bubbling up the DOM tree.
D). It requires fewer resources compared to traditional web applications.
What happens if the parent element specified for event delegation is removed from the DOM?
A). The event delegation mechanism will no longer work for child elements.
B). The child elements will inherit the event handlers of the parent element.
C). The child elements will trigger the event handlers directly.
D). The event will be captured by the browser's default event handler.
When is event delegation particularly useful in web development?
A). When events need to be triggered programmatically.
B). When dealing with a static DOM structure.
C). When handling events on elements that are dynamically added or removed.
D). When preventing events from bubbling up the DOM tree.
How does event delegation help in handling dynamically added DOM elements?
A). By attaching event handlers to parent elements, ensuring consistent handling.
B). By removing event handlers from the DOM altogether.
C). By binding event handlers directly to dynamically added elements.
D). By refreshing the page whenever new elements are added.
In event delegation, which element's event handler is triggered when an event occurs?
A). The parent element's event handler.
B). The child element's event handler.
C). The event handler of the first ancestor element.
D). The event handler of the last ancestor element.
What is event delegation in JavaScript/jQuery?
A). A technique for handling events on dynamically added DOM elements.
B). A method to delegate event handling to parent elements.
C). A way to trigger events manually in jQuery.
D). A mechanism to prevent event propagation in JavaScript.
Which jQuery method provides better performance for event delegation: .on() or .click()?
A). .on()
B). .click()
C). Both methods provide similar performance.
D). It depends on the browser being used.
How does event delegation simplify event handling in web development?
A). By attaching event handlers to parent elements instead of individual elements.
B). By requiring manual refreshing of the page whenever new elements are added.
C). By removing events from the DOM altogether.
D). By triggering events programmatically.