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.
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 contribute to better performance in web applications?
A). By reducing the number of event handlers attached to individual elements.
B). By increasing the number of event handlers attached to individual elements.
C). By requiring manual refreshing of the page whenever new elements are added.
D). By 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.
What is the syntax for using event delegation with jQuery's .on() method?
A). $(parentElement).on(eventType, childSelector, eventHandler);
B). $(childElement).on(eventType, parentSelector, eventHandler);
C). $(parentElement).delegate(eventType, childSelector, eventHandler);
D). $(childElement).delegate(eventType, parentSelector, eventHandler);
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.
Which jQuery method is deprecated in favor of .on() for event delegation?
A). .bind()
B). .live()
C). .delegate()
D). .trigger()
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 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.