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.
What happens when an event occurs on a dynamically added element with event delegation?
A). The event bubbles up through the DOM, triggering the event handler attached to the parent element.
B). The event is ignored because it wasn't present in the DOM when the page loaded.
C). The event is captured by the browser's default event handler.
D). The event causes an error because dynamically added elements cannot trigger events.
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.
How does event delegation help in handling events on dynamically added table rows?
A). By attaching event handlers to the parent table element.
B). By attaching event handlers directly to the dynamically added table rows.
C). By manually refreshing the page whenever new rows are added.
D). By using regular expressions to match table rows.
What is the primary advantage of using event delegation in web development?
A). Simplifies event handling by attaching handlers directly to individual elements.
B). Ensures events are captured on dynamically added elements.
C). Increases the complexity of event handling logic.
D). Requires manual refreshing of the page whenever new elements are added.
How do you specify the child elements to which the event should be delegated in jQuery?
A). By providing a CSS selector for the child elements.
B). By listing the child elements explicitly.
C). By using regular expressions to match child elements.
D). By specifying the child elements' IDs.
Which jQuery method is commonly used for event delegation?
A). .on()
B). .click()
C). .delegate()
D). .trigger()
How do you attach an event handler to dynamically added elements using event delegation?
A). By attaching the event handler to a parent element using .on() with a child selector.
B). By attaching the event handler directly to the dynamically added elements.
C). By using the .trigger() method on the parent element.
D). By manually refreshing the page every time new elements are added.
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.
Which jQuery method is deprecated in favor of .on() for event delegation?
A). .bind()
B). .live()
C). .delegate()
D). .trigger()